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Desmanthus illinoensis (Michx.) MacMill. ex B.L. Rob. & Fernald
ILLINOIS BUNDLEFLOWER
Prairie Bundleflower; Prairie mimosa

Life   Plantae   Dicotyledoneae   Fabaceae   Desmanthus

Desmanthus illinoensis, whole plant - in fruit
© Copyright Steve Baskauf, 2002-2011 · 4
Desmanthus illinoensis, whole plant - in fruit

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Desmanthus illinoensis, fruit - juvenile
© Copyright Steve Baskauf, 2002-2011 · 4
Desmanthus illinoensis, fruit - juvenile
Desmanthus illinoensis, leaf - basal or on lower stem
© Copyright Steve Baskauf, 2002-2011 · 4
Desmanthus illinoensis, leaf - basal or on lower stem

Desmanthus illinoensis, leaf - margin of upper + lower surface
© Copyright Steve Baskauf, 2002-2011 · 4
Desmanthus illinoensis, leaf - margin of upper + lower surface
Desmanthus illinoensis, stem - showing leaf bases
© Copyright Steve Baskauf, 2002-2011 · 4
Desmanthus illinoensis, stem - showing leaf bases

Desmanthus illinoensis, leaf - basal or on lower stem
© Copyright Steve Baskauf, 2002-2011 · 4
Desmanthus illinoensis, leaf - basal or on lower stem
Desmanthus illinoensis, fruit - as borne on the plant
© Copyright Steve Baskauf, 2002-2011 · 4
Desmanthus illinoensis, fruit - as borne on the plant

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

Desmanthus illinoensis, inflorescence - whole - unspecified
© Copyright Steve Baskauf, 2002-2011 · 4
Desmanthus illinoensis, inflorescence - whole - unspecified
Desmanthus illinoensis, leaf - basal or on lower stem
© Copyright Steve Baskauf, 2002-2011 · 4
Desmanthus illinoensis, leaf - basal or on lower stem

Desmanthus illinoensis, leaf - margin of upper + lower surface
© Copyright Steve Baskauf, 2002-2011 · 4
Desmanthus illinoensis, leaf - margin of upper + lower surface
Desmanthus illinoensis, fruit - juvenile
© Copyright Steve Baskauf, 2002-2011 · 4
Desmanthus illinoensis, fruit - juvenile

Desmanthus illinoensis, stem - showing leaf bases
© Copyright Steve Baskauf, 2002-2011 · 4
Desmanthus illinoensis, stem - showing leaf bases
Desmanthus illinoensis, whole plant - in flower - general view
© Copyright Steve Baskauf, 2002-2011 · 4
Desmanthus illinoensis, whole plant - in flower - general view

Associates · map
FamilyScientific name @ source (records)
Coccinellidae  Cycloneda munda @ I_LB (1)
Diaporthaceae  Diaporthe phaseolorum @ BPI (1)
Halictidae  Lasioglossum illinoense @ CUIC_ENT (1)
Miridae  Criocoris saliens @ AMNH_PBI (1)
Mycosphaerellaceae  Cercospora desmanthi @ BPI (2)

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Following modified from MissouriPlants.com
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Desmanthus illinoensis (Michx.) MacM. - Prairie Mimosa

Desmanthus illinoensis plant

Family - Fabaceae

Stems - To +/-1.5m tall, multiple from base, erect, fistulose, herbaceous, much branched, striate-nerved, glabrous or with a few sparse hairs on ridges above, green when young, becoming dark brown with age (mostly at the base).

Desmanthus illinoensis stem

Leaves - Alternate, bipinnately compound, stipulate, to 10cm long, 6-7cm broad. Stipules filiform, 5mm long. Typically 6-15 pinnae per leaf, with even number of leaflets on pinna. Small glands often at base of pinnae. Leaflets 3.5mm long, 1.5mm broad, oblique at base, linear-oblong, rounded at apex, glabrous, with strigillose margins.

Desmanthus illinoensis leaf

Inflorescence - Axillary globose pedunculate cluster of many flowers. Peduncle to +/-4cm in flower, elongating in fruit, antrorse strigose.

Flowers - Petals 5, white, to 2mm long, glabrous. Calyx tube white, 1.1mm long, 5-lobed, glabrous. Lobes 1.1mm long, glabrous, acute. Stamens 5, white, glabrous, 5mm long, well exserted. Anthers yellow, .2-.3mm in diameter. Ovary 1mm long, greenish-white, glabrous. Style 4mm long, white, glabrous, well exserted. Fruits clusters of compressed, sickle-shaped (falcate) pod to +/-2cm long, 4-5mm broad, green when fresh, becoming dark brown at maturity, with +/-6 seeds.

Desmanthus illinoensis flowers

Desmanthus illinoensis fruits Immature fruits.

Flowering - June - August.

Habitat - Roadsides, railroads, open slopes, pastures, prairies.

Origin - Native to U.S.

Other info. - This species can be found throughout much of Missouri but seems to be absent from the northeast corner of the state as well as the central Ozark region. The plant can be identified by its small, globose clusters of many flowers and its bipinnate leaves.
If you live in extreme Southwestern Missouri you might mistake this plant for Acacia angustissima (Mill.) Ktze. , except for that the latter has many more stamens per flower giving the flowers clusters a much more dense look. A. angustissima also has very dark reddish-brown, woody stems and no glands on the leaf petioles.
Desmanthus is nutritionally very important, being high in protein and fatty acids.

Photographs taken off Interstate 24 near Nashville, TN., 8-3-05.


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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=DEIL ---> https://plants.usda.gov/java/profile?symbol=DEIL
&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=DEIL

Following modified from CalPhotos
   Top | See original

http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Desmanthus+illinoensis+&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=Desmanthus+illinoensis+&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=Desmanthus+illinoensis+&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant

Updated: 2017-11-23 06:09:17 gmt
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