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Melilotus officinalis (L.) Lam.
COMMON MELILOT
Trifolium officinale L; Trifolium officinalis orth var L sensu Linnaeus, C 1753; Ribbed Melilot; Melilotus albus; Melilotus arvensis Wallr nom illegit; Yellow sweetclover; Melilotus alba; Melilotus alba Medikus, orth var; Melilotus albus Medik; Melilotus arvensis Wallr; Melilotus leucanthus WDJ Koch ex Dc; Melilotus lutea Gueldenst

Life   Plantae   Dicotyledoneae   Fabaceae   Melilotus

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Melilotus officinalis
© Copyright Bobby Hattaway 2011 · 5
Melilotus officinalis
Melilotus officinalis
© Copyright Bobby Hattaway 2011 · 5
Melilotus officinalis

Melilotus officinalis
© Copyright Bobby Hattaway 2011 · 5
Melilotus officinalis
Melilotus officinalis
© Copyright Bobby Hattaway 2011 · 5
Melilotus officinalis

Melilotus officinalis
© Copyright Bobby Hattaway 2011 · 5
Melilotus officinalis
Melilotus officinalis
© Copyright Bobby Hattaway 2011 · 5
Melilotus officinalis

Melilotus officinalis
© Copyright Bobby Hattaway 2011 · 5
Melilotus officinalis
Melilotus officinalis
© Copyright Bobby Hattaway 2011 · 5
Melilotus officinalis

Melilotus officinalis, whole plant - in flower - general view
© Copyright Steve Baskauf, 2002-2011 · 4
Melilotus officinalis, whole plant - in flower - general view
Melilotus officinalis, inflorescence - whole - unspecified
© Copyright Steve Baskauf, 2002-2011 · 4
Melilotus officinalis, inflorescence - whole - unspecified

Melilotus officinalis, inflorescence - lateral view of flower
© Copyright Steve Baskauf, 2002-2011 · 4
Melilotus officinalis, inflorescence - lateral view of flower
Melilotus officinalis, leaf - basal or on lower stem
© Copyright Steve Baskauf, 2002-2011 · 4
Melilotus officinalis, leaf - basal or on lower stem

Melilotus officinalis, leaf - on upper stem
© Copyright Steve Baskauf, 2002-2011 · 4
Melilotus officinalis, leaf - on upper stem
Melilotus officinalis, stem - showing leaf bases
© Copyright Steve Baskauf, 2002-2011 · 4
Melilotus officinalis, stem - showing leaf bases

Associates · map
FamilyScientific name @ source (records)
Agaricaceae  Phoma herbarum @ BPI (1)

Phoma minutella @ BPI (2)
Andrenidae  Andrena alleghaniensis @ CUIC_ENT (1); MLSB__N16- (1)

Andrena amphibola @ AMNH_BEE (1)

Andrena argemonis @ AMNH_BEE (22)

Andrena bocensis @ AMNH_BEE (1)

Andrena brevipalpis @ CUIC_ENT (4)

Andrena chromotricha @ AMNH_BEE (3)

Andrena chylismiae @ BBSL (1)

Andrena commoda @ AMNH_BEE (6); CUIC_ENT (5)

Andrena crataegi @ CUIC_ENT (152)

Andrena forbesii @ CUIC_ENT (1); UCMS_ENT (2)

Andrena hallii @ BBSL (51)

Andrena hirticincta @ AMNH_BEE (4)

Andrena integra @ CUIC_ENT (4)

Andrena lupinorum @ AMNH_BEE (2)

Andrena mellea @ AMNH_BEE (5)

Andrena miranda @ CUIC_ENT (12); AMNH_BEE (3)

Andrena nasonii @ CUIC_ENT (2)

Andrena nivalis @ CUIC_ENT (9)

Andrena nubecula @ CUIC_ENT (1)

Andrena platyparia @ CUIC_ENT (4)

Andrena prunorum @ BBSL (2); AMNH_BEE (2)

Andrena robertsonii @ CUIC_ENT (6)

Andrena spiraeana @ CUIC_ENT (1)

Andrena thaspii @ AMNH_BEE (1); CUIC_ENT (19)

Andrena virginiana @ CUIC_ENT (1)

Andrena w-scripta @ CUIC_ENT (12)

Andrena wilkella @ BBSL (1); CUIC_ENT (1193); MLSB__N16- (4)

Calliopsis andreniformis @ AMNH_BEE (17); CUIC_ENT (80)

Calliopsis pectidis @ AMNH_BEE (4)

Calliopsis rozeni @ AMNH_BEE (1)

Calliopsis scitula @ BBSL (2)

Calliopsis scutellaris @ BBSL (6)

Perdita bruneri @ AMNH_BEE (1)

Perdita marcialis @ AMNH_BEE (1); BBSL (1)

Protandrena bancrofti @ AMNH_BEE (3)

Protandrena mexicanorum @ AMNH_BEE (9)

Protoxaea gloriosa @ AMNH_BEE (739)
Aphididae  Aphis ( @ CSCA_TCN (1); CSUC_TCN (3)

Ceruraphis eriophori @ AMNH_PBI (1)

Nearctaphis bakeri @ CSCA_TCN (1)

Nearctaphis californica @ AMNH_PBI (3)

Therioaphis ( @ NCSU (21); AMNH_PBI (1); CSCA_TCN (1)
Apidae  Anthophora californica @ BBSL (1); AMNH_BEE (1)

Anthophora montana @ AMNH_BEE (26)

Anthophora urbana @ BBSL (6)

Apis mellifera @ BBSL (3); MLSB__N16- (6)

Bombus affinis @ CUIC_ENT (3)

Bombus auricomus @ AMNH_BEE (4)

Bombus bifarius @ BBSL__JPS (75)

Bombus californicus @ BBSL (6)

Bombus citrinus @ CUIC_ENT (1); AMNH_BEE (1)

Bombus fervidus @ AMNH_BEE (4)

Bombus griseocollis @ AMNH_BEE (2); CUIC_ENT (1)

Bombus huntii @ BBSL (1); AMNH_BEE (1); BBSL__JPS (2)

Bombus mixtus @ BBSL (6)

Bombus morrisoni @ BMEC_ENT (1); BBSL__JPS (4); AMNH_BEE (6)

Bombus nevadensis @ BMEC_ENT (4)

Bombus occidentalis @ BBSL__JPS (15); AMNH_BEE (1)

Bombus pensylvanicus @ AMNH_BEE (1)

Bombus rufocinctus @ AMNH_BEE (2); BBSL__JPS (5)

Bombus ternarius @ CUIC_ENT (2); AMNH_BEE (1)

Bombus terricola @ AMNH_BEE (6); VTST_ENT (1)

Bombus vosnesenskii @ AMNH_BEE (1)

Centris mexicana @ AMNH_BEE (2)

Centris rhodopus @ AMNH_BEE (10)

Centris zacateca @ AMNH_BEE (1)

Ceratina calcarata @ UCMS_ENT (2); MLSB__N16- (3)

Ceratina nanula @ AMNH_BEE (2)

Diadasia diminuta @ AMNH_BEE (2)

Diadasia ochracea @ AMNH_BEE (114)

Epeolus bifasciatus @ CUIC_ENT (1)

Epeolus compactus @ AMNH_BEE (23)

Ericrocis lata @ AMNH_BEE (4)

Ericrocis pintada @ AMNH_BEE (1)

Eucera actuosa @ AMNH_BEE (1)

Eucera edwardsii @ BBSL (5)

Eucera quadricincta @ BBSL (1)

Exomalopsis solani @ AMNH_BEE (7)

Florilegus condignus @ AMNH_BEE (1)

Habropoda cineraria @ BBSL (1)

Holcopasites stevensi @ AMNH_BEE (1)

Martinapis luteicornis @ AMNH_BEE (1)

Melissodes apicata @ CUIC_ENT (2)

Melissodes communis @ AMNH_BEE (1)

Melissodes comptoides @ AMNH_BEE (6)

Melissodes druriella @ AMNH_BEE (2)

Melissodes gilensis @ AMNH_BEE (1)

Melissodes limbus @ AMNH_BEE (59)

Melissodes lutulenta @ AMNH_BEE (3)

Melissodes paroselae @ AMNH_BEE (209)

Melissodes rivalis @ AMNH_BEE (1)

Melissodes sphaeralceae @ AMNH_BEE (2)

Melissodes subagilis @ AMNH_BEE (1)

Melissodes tepida @ AMNH_BEE (1)

Melissodes thelypodii @ AMNH_BEE (10)

Melissodes tristis @ AMNH_BEE (304)

Nomada bethunei @ BBSL (2)

Nomada texana @ BBSL (2); AMNH_BEE (85)

Nomada vegana @ AMNH_BEE (1); BBSL (1)

Triepeolus grandis @ AMNH_BEE (16)

Triepeolus kathrynae @ AMNH_BEE (4)

Triepeolus lunatus @ AMNH_BEE (7)

Triepeolus verbesinae @ AMNH_BEE (53)

Xenoglossa angustior @ AMNH_BEE (1)

Xeromelecta californica @ AMNH_BEE (4)

Xylocopa californica @ AMNH_BEE (8)

Xylocopa micans @ AMNH_BEE (2)

Xylocopa virginica @ CUIC_ENT (1)
Berytidae  Jalysus wickhami @ AMNH_IZC (3); UCRC_ENTA (5)
Braconidae  Aphidius ( @ AMNH_PBI (6)
Cantharidae  Chauliognathus marginatus @ MLSB__N16- (1)
Cicadellidae  Empoasca bifurcata @ III (1)

Empoasca erigeron @ III (1)

Empoasca fabae @ III (1)

Graphocephala cythura @ UCR_ENT (1)
Colletidae  Caupolicana yarrowi @ AMNH_BEE (230)

Colletes fulgidus @ BBSL (7); AMNH_BEE (1)

Colletes gilensis @ AMNH_BEE (8)

Colletes impunctatus @ AMNH_BEE (1)

Colletes kincaidii @ AMNH_BEE (37); CUIC_ENT (17)

Colletes latitarsis @ CUIC_ENT (1); AMNH_BEE (2)

Colletes lutzi @ BBSL (5)

Colletes mandibularis @ AMNH_BEE (5); BBSL (1)

Colletes nudus @ AMNH_BEE (3)

Colletes petalostemonis @ BBSL (1)

Colletes phaceliae @ AMNH_BEE (3); BBSL (29)

Colletes rufocinctus @ AMNH_BEE (6)

Colletes simulans @ UCMS_ENT (1); CUIC_ENT (2)

Colletes skinneri @ AMNH_BEE (1)

Colletes wootoni @ AMNH_BEE (84)

Hylaeus affinis @ AMNH_BEE (5)

Hylaeus annulatus @ AMNH_BEE (1)

Hylaeus bisinuatus @ BBSL (2)

Hylaeus confluens @ AMNH_BEE (1)

Hylaeus conspicuus @ BBSL (1)

Hylaeus episcopalis @ AMNH_BEE (1)

Hylaeus hurdi @ AMNH_BEE (1)

Hylaeus hyalinatus @ MLSB__N16- (2)

Hylaeus leptocephalus @ AMNH_BEE (46)

Hylaeus mesillae @ AMNH_BEE (9)

Hylaeus modestus @ AMNH_BEE (2)

Hylaeus verticalis @ AMNH_BEE (3)

Hylaeus wootoni @ AMNH_BEE (4)

Ptiloglossa arizonensis @ AMNH_BEE (2)
Dermateaceae  Duebenia compta @ BPI (3)
Encyrtidae  Syrphophagus aphidivorus @ UCRC_ENTA (1)
Entylomataceae  Entyloma meliloti @ BPI (1)
Erysiphaceae  Erysiphe communis @ BPI (1)

Erysiphe martii @ BPI (5)

Erysiphe polygoni @ BPI (4)
Geocoridae  Geocoris bullatus @ AMNH_IZC (1)
Halictidae  Agapostemon angelicus @ AMNH_BEE (83); BBSL (1)

Agapostemon femoratus @ BBSL (1)

Agapostemon melliventris @ AMNH_BEE (1)

Agapostemon obliquus @ AMNH_BEE (1)

Agapostemon sericeus @ UCMS_ENT (4)

Agapostemon tyleri @ AMNH_BEE (2)

Agapostemon virescens @ CUIC_ENT (1); UCMS_ENT (1)

Augochlora pura @ CUIC_ENT (22)

Augochlorella aurata @ UCMS_ENT (1); CUIC_ENT (24)

Augochlorella persimilis @ AMNH_BEE (1)

Dieunomia nevadensis @ AMNH_BEE (27)

Halictus confusus @ BBSL (2); CUIC_ENT (111); AMNH_BEE (3)

Halictus farinosus @ AMNH_BEE (5)

Halictus ligatus @ UCMS_ENT (1); AMNH_BEE (59); BBSL (1)

Halictus poeyi @ AMNH_BEE (1)

Halictus rubicundus @ UCMS_ENT (3); AMNH_BEE (21)

Halictus tripartitus @ AMNH_BEE (10); BBSL (1)

Lasioglossum ( @ MLSB__N16- (1)

Lasioglossum albipenne @ AMNH_BEE (7)

Lasioglossum birkmanni @ UCMS_ENT (1)

Lasioglossum bruneri @ UCMS_ENT (2)

Lasioglossum cinctipes @ CUIC_ENT (63)

Lasioglossum coriaceum @ AMNH_BEE (3); UCMS_ENT (2)

Lasioglossum foxii @ CUIC_ENT (29)

Lasioglossum hitchensi @ CUIC_ENT (8)

Lasioglossum imitatum @ AMNH_BEE (3)

Lasioglossum inconditum @ CUIC_ENT (2)

Lasioglossum lampronotum @ AMNH_BEE (1)

Lasioglossum leucocomum @ AMNH_BEE (2); CUIC_ENT (1)

Lasioglossum lineatulum @ CUIC_ENT (4); AMNH_BEE (2)

Lasioglossum manitouellum @ AMNH_BEE (1)

Lasioglossum oceanicum @ UCMS_ENT (3)

Lasioglossum paraforbesii @ AMNH_BEE (6)

Lasioglossum pectorale @ AMNH_BEE (1)

Lasioglossum perpunctatum @ CUIC_ENT (1)

Lasioglossum pruinosum @ AMNH_BEE (1)

Lasioglossum puteulanum @ AMNH_BEE (2)

Lasioglossum quebecense @ CUIC_ENT (2)

Lasioglossum semicaeruleum @ AMNH_BEE (11)

Lasioglossum sisymbrii @ BBSL (2); AMNH_BEE (7)

Lasioglossum smilacinae @ CUIC_ENT (1)

Lasioglossum truncatum @ CUIC_ENT (29)

Lasioglossum versans @ AMNH_BEE (17)

Nomia angustitibialis @ AMNH_BEE (5)

Nomia foxii @ AMNH_BEE (47)

Nomia melanderi @ AMNH_BEE (1)

Nomia tetrazonata @ AMNH_BEE (33)

Sphecodes atlantis @ CUIC_ENT (1)

Sphecodes confertus @ CUIC_ENT (1)

Sphecodes cressonii @ AMNH_BEE (1)

Sphecodes dichrous @ AMNH_BEE (1); CUIC_ENT (4)

Sphecodes minor @ CUIC_ENT (3)
Lygaeidae  Lygaeus kalmii @ AMNH_IZC (1)

Lygaeus reclivatus @ AMNH_IZC (1)

Oncopeltus fasciatus @ AMNH_IZC (1)

Xyonysius californicus @ AMNH_IZC (12)
Megachilidae  Anthidiellum notatum @ AMNH_BEE (28); BBSL (1)

Anthidiellum robertsoni @ BBSL (3)

Anthidium maculifrons @ AMNH_BEE (2)

Anthidium maculosum @ AMNH_BEE (46)

Ashmeadiella aridula @ BBSL (5)

Ashmeadiella bucconis @ BBSL__FDP (1)

Ashmeadiella cactorum @ BBSL (1)

Ashmeadiella meliloti @ BBSL (1); AMNH_BEE (2)

Ashmeadiella occipitalis @ AMNH_BEE (7)

Chelostoma phaceliae @ AMNH_BEE (1)

Coelioxys edita @ AMNH_BEE (23)

Coelioxys funeraria @ AMNH_BEE (1)

Coelioxys gilensis @ AMNH_BEE (35)

Coelioxys grindeliae @ AMNH_BEE (3)

Coelioxys hunteri @ AMNH_BEE (18)

Coelioxys menthae @ AMNH_BEE (11)

Coelioxys mexicana @ CUIC_ENT (2)

Coelioxys modesta @ CUIC_ENT (3)

Coelioxys novomexicana @ AMNH_BEE (32)

Coelioxys octodentata @ CUIC_ENT (3); AMNH_BEE (2)

Coelioxys rufitarsis @ CUIC_ENT (4); AMNH_BEE (3)

Coelioxys sayi @ AMNH_BEE (1)

Coelioxys sodalis @ CUIC_ENT (1)

Coelioxys texana @ AMNH_BEE (132)

Coelioxys undet @ AMNH_BEE (1)

Dianthidium arizonicum @ AMNH_BEE (3)

Dianthidium parvum @ BBSL (1)

Dianthidium platyurum @ BBSL (1)

Dianthidium ulkei @ AMNH_BEE (9)

Dianthidium unknown @ AMNH_BEE (3)

Dioxys pomonae @ BBSL (1)

Heriades carinata @ MLSB__N16- (1)

Heriades cressoni @ BBSL (1)

Heriades timberlakei @ AMNH_BEE (1)

Heriades variolosa @ AMNH_BEE (3)

Hoplitis albifrons @ BBSL (1)

Hoplitis pilosifrons @ CUIC_ENT (1)

Hoplitis producta @ CUIC_ENT (7); AMNH_BEE (5)

Hoplitis spoliata @ CUIC_ENT (2)

Megachile brevis @ BBSL__FDP (2); AMNH_BEE (5); BBSL (1)

Megachile campanulae @ CUIC_ENT (2)

Megachile centuncularis @ AMNH_BEE (7); CUIC_ENT (3)

Megachile concinna @ AMNH_BEE (6)

Megachile dentitarsus @ AMNH_BEE (1); BBSL (1)

Megachile exilis @ AMNH_BEE (464)

Megachile fidelis @ AMNH_BEE (2)

Megachile frigida @ AMNH_BEE (4)

Megachile frugalis @ AMNH_BEE (23)

Megachile gemula @ CUIC_ENT (2)

Megachile gentilis @ AMNH_BEE (20)

Megachile inimica @ AMNH_BEE (93)

Megachile latimanus @ CUIC_ENT (3); AMNH_BEE (3)

Megachile lippiae @ AMNH_BEE (3)

Megachile lobatifrons @ AMNH_BEE (2)

Megachile melanophaea @ CUIC_ENT (2)

Megachile mendica @ BBSL (2); UCMS_ENT (4); CUIC_ENT (1); AMNH_BEE (1)

Megachile mucida @ MLSB__N16- (1)

Megachile onobrychidis @ BBSL__FDP (35); AMNH_BEE (2)

Megachile parallela @ AMNH_BEE (2)

Megachile perihirta @ AMNH_BEE (3); BBSL (1)

Megachile petulans @ AMNH_BEE (3)

Megachile policaris @ AMNH_BEE (209)

Megachile prosopidis @ AMNH_BEE (4)

Megachile relativa @ CUIC_ENT (4); AMNH_BEE (9)

Megachile rossi @ AMNH_BEE (2)

Megachile rotundata @ MLSB__N16- (3); AMNH_BEE (5); CUIC_ENT (4); BBSL (5)

Megachile rugifrons @ CUIC_ENT (1)

Megachile sidalceae @ AMNH_BEE (13)

Megachile snowi @ AMNH_BEE (6)

Megachile spinotulata @ AMNH_BEE (34)

Megachile subexilis @ AMNH_BEE (62)

Megachile texana @ AMNH_BEE (1)

Megachile zapoteca @ AMNH_BEE (4)

Osmia albolateralis @ BBSL (3)

Osmia bruneri @ BBSL (3); BBSL__OSMIA (1)

Osmia bucephala @ BBSL__BBSLID (1)

Osmia inspergens @ AMNH_BEE (1)

Osmia integra @ BBSL (1)

Osmia lignaria @ BBSL__BBSLID (1)

Osmia pentstemonis @ BBSL (1)

Osmia pumila @ AMNH_BEE (1)

Osmia pusilla @ BBSL (7)

Osmia trevoris @ BBSL__UCMC (1); BBSL__BBSLID (1)

Osmia unca @ BBSL (2)

Osmia virga @ AMNH_BEE (1)

Stelis lateralis @ BBSL__BBSLID (1)

Stelis rudbeckiarum @ AMNH_BEE (7)
Melittidae  Macropis ciliata @ AMNH_BEE (1)
Membracidae  Campylenchia latipes @ UDCC_TCN (9); CSUC_TCN (15)

Spissistilus festinus @ AMNH_ENT (8)

Stictocephala diceros @ UDCC_TCN (1)

Stictocephala lutea @ UDCC_TCN (2)

Tortistilus albidosparsus @ UCR_ENT (2)

Tortistilus inermis @ AMNH_ENT (1)
Miridae  Chlamydatus pulicarius @ AMNH_PBI (2)

Deraeocoris brevis @ AMNH_ENT (1)

Hadronema pictum @ AMNH_PBI (2)

Lygus hesperus @ AMNH_PBI (6); AMNH_ENT (3); NCSU_ENT (2)

Lygus mexicanus @ AMNH_IZC (1)

Neurocolpus montanus @ AMNH_IZC (2)

Neurocolpus nubilus @ MEMU_ENT (1)

Pygovepres vaccinicola @ AMNH_PBI (2)

Teleorhinus cyaneus @ AMNH_PBI (1)
Mycosphaerellaceae  Cercospora davisii @ BPI (5)

Mycosphaerella linhartiana @ BPI (2)

Septoria meliloti @ BPI (1)
Pentatomidae  Chlorochroa ligata @ AMNH_IZC (3)

Euschistus inflatus @ AMNH_IZC (10)

Moromorpha tetra @ AMNH_IZC (69)

Thyanta custator @ AMNH_IZC (1)

Thyanta pallidovirens @ AMNH_IZC (3)
Peronosporaceae  Peronospora meliloti @ BPI (4)

Peronospora trifoliorum @ BPI (4)
Phaeosphaeriaceae  Leptosphaeria comatella @ BPI (1)

Leptosphaeria dumetorum @ BPI (2)

Leptosphaeria niessleana @ BPI (1)

Stagonospora carpathica @ BPI (1)

Stagonospora meliloti @ BPI (5)
Pleosporaceae  Pleospora dura @ BPI (1)

Pleospora herbarum @ BPI (3)

Pleospora vulgaris @ BPI (1)
Pucciniaceae  Uromyces baeumlerianus @ BPI (1)
Reduviidae  Phymata rossi @ UCR_ENT (1)

Phymata @ AMNH_PBI (1)
Rhopalidae  Arhyssus lateralis @ AMNH_IZC (1)

Aufeius impressicollis @ AMNH_IZC (2)

Liorhyssus hyalinus @ AMNH_IZC (17)
Syrphidae  Melanostoma mellinum @ MLSB__N16- (1)

Toxomerus marginatus @ MLSB__N16- (2)
Tachinidae  Adejeania vexatrix @ I_ADG (1)
Thyreocoridae  Corimelaena extensa @ AMNH_IZC (1)
_  Ascochyta caulicola @ BPI (4)

Ascochyta lethalis @ BPI (1)

Ascochyta meliloti @ BPI (1)

Didymellina lethalis @ BPI (1)

Hylaues pictipes @ MLSB__N16- (3)

Megacopta cribraria @ UDCC_TCN (1)

Ochrostomus uhleri @ AMNH_IZC (3)

Sclerophomella meliloticola @ BPI (2)

texanus @ MLSB__N16- (1)

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Following modified from Global Invasive Species Team, The Nature Conservancy
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Following modified from Flora of Taiwan, National Taiwan University
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Following modified from Delaware Wildflowers
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Delaware Wildflowers  •  Scientific names

Melilotus officinalis (L.) Lam. Yellow Sweetclover
Fabaceae — Bean family
Non-native
Melilotus officinalis
June 2002

More information on this plant, from other sources.


Copyright David G. Smith

Delaware Wildflowers main page

Following modified from MissouriPlants.com
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Melilotus officinalis (L.) Pall.

Melilotus officinalis plant

Family - Fabaceae

Stems - To +2m tall ,erect, herbaceous, from taproot, branching above, glabrous to sparse pubescent, with musky scent when cut or crushed.

Melilotus officinalis stem

Leaves - Alternate, trifoliolate, stipulate. Stipules to 5mm long, subulate. Leaflets with petiolules. Center leaf with petiolule to 5mm long. Lateral leaflets with petiolules to +/-1mm long. All leaflets variable in shape from oblong to oblanceolate, serrulate, typically truncate at apex and mucronate, glabrous to sparse pubescent.

Melilotus officinalis leaf

Inflorescence - Axillary racemes near apex of stems. Peduncles sparsely appressed pubescent. Raceme to +/-8cm long, indeterminate, +/-50 flowered. Pedicels 2.5mm long, pilose, subtended by tiny lanate subulate bract to 1.5mm long.

Melilotus officinalis inflorescence

Flowers - Corolla yellow, papilionaceous. Standard 3.5-4mm broad, 5-6mm long. Stamens diadelphous, 4mm long. Filaments glabrous. Anthers yellow. Ovary green, 1.2mm long, glabrous. Style glabrous, 2.7mm long. Calyx tubular, +2mm long, 5-toothed. Teeth subequal, +/-1mm long. Fruit to 5mm long, compressed, glabrous.

Melilotus officinalis calyx Calyx.

Melilotus officinalis flowers

Flowering - May - October.

Habitat - Fields, pastures, disturbed sites, waste ground, roadsides, railroads.

Origin - Native to Eurasia.

Other info. - It's hard to miss this plant in early summer as it is growing nearly everywhere. The yellow flowers are a big favorite of bees and the genus name means "Honey Lotus".
As noted above, the plant produces a musky scent when cut or crushed and the scent can make some people nauseous. This scent is caused by coumarins contained in the plant. Personally, I get a headache if I pass through a dense area of the plants that has recently been cut. At one time the plant was used as an insect repellent on textiles.

Photographs taken near Alley Spring, Shannon County, MO., 6-6-03.


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Following modified from Plants Database, United States Department of Agriculture
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http://plants.usda.gov/java/profile?symbol=Meof ---> https://plants.usda.gov/java/profile?symbol=Meof
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Following modified from Taiwan Biodiversity National Information Network
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Kingdom Plantae  
 Phylum Magnoliophyta  
 Class Magnoliopsida  
 Order Fabales  
 Family Fabaceae  
 Genus Melilotus  
  Melilotus officinalis    (L.) Pall., 1776 
Provider: Ching-I Peng 
hierarchy tree    download xml    download txt    Chinese Page    
Synonyms: Medicago officinalis Melilotus altissimus Melilotus arenarius Melilotus arvensis Melilotus melilotus-officinalis Melilotus neglectus Melilotus officinalis officinalis Melilotus pallidus Melilotus petitpierreanus Melilotus suaveolens Trifolium Melilotus officinalis details
Citation: Reise 3: 537, 1776; Flora of Taiwan 2nd ed. 3: 333, 1993; Wu, S. H., C. F. Hsieh, and Marcel Rejmanek. 2004. Catalogue of the Naturalized Flora of Taiwan. Taiwania
Name Code: 203187
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Following modified from Plants Database, United States Department of Agriculture
   Top | See original

http://plants.usda.gov/java/profile?symbol=MEOF ---> https://plants.usda.gov/java/profile?symbol=MEOF
&pull 20q v4.662 20091102: Error 501 Protocol scheme 'https' is not supported (LWP::Protocol::https not installed) https://plants.usda.gov/java/profile?symbol=MEOF

Following modified from CalPhotos
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http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Melilotus+officinalis&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant ---> https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Melilotus+officinalis&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant
&pull 20q v4.662 20091102: Error 501 Protocol scheme 'https' is not supported (LWP::Protocol::https not installed) https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Melilotus+officinalis&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant

Updated: 2017-11-25 04:43:35 gmt
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