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Cephalanthus occidentalis L.
COMMON BUTTONBUSH
Life   Plantae   Dicotyledoneae   Rubiaceae   Cephalanthus

Cephalanthus occidentalis, Buttonbush
© Copyright Sheryl Pollock 2011 · 8
Cephalanthus occidentalis, Buttonbush

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Cephalanthus occidentalis
© Copyright Bobby Hattaway 2011 · 5
Cephalanthus occidentalis
Cephalanthus occidentalis
© Copyright Bobby Hattaway 2011 · 5
Cephalanthus occidentalis

Cephalanthus occidentalis
© Copyright Bobby Hattaway 2011 · 5
Cephalanthus occidentalis
Cephalanthus occidentalis, Common Buttonbush
© Copyright Bobby Hattaway 2011 · 5
Cephalanthus occidentalis, Common Buttonbush

Cephalanthus occidentalis
© Copyright Bobby Hattaway 2011 · 5
Cephalanthus occidentalis
Cephalanthus occidentalis
© Copyright Bobby Hattaway 2011 · 5
Cephalanthus occidentalis

Cephalanthus occidentalis
© Copyright Bobby Hattaway 2011 · 5
Cephalanthus occidentalis
Cephalanthus occidentalis
© Copyright Bobby Hattaway 2011 · 5
Cephalanthus occidentalis

Cephalanthus occidentalis
© Copyright Bobby Hattaway 2011 · 5
Cephalanthus occidentalis
Cephalanthus occidentalis
© Copyright Bobby Hattaway 2011 · 5
Cephalanthus occidentalis

Cephalanthus occidentalis
© Copyright Bobby Hattaway 2011 · 5
Cephalanthus occidentalis
Cephalanthus occidentalis, fruit - as borne on the plant
© Copyright Steve Baskauf, 2002-2011 · 4
Cephalanthus occidentalis, fruit - as borne on the plant

Cephalanthus occidentalis, bark - of a small tree or small branch
© Copyright Steve Baskauf, 2002-2011 · 4
Cephalanthus occidentalis, bark - of a small tree or small branch
Cephalanthus occidentalis, twig - orientation of petioles
© Copyright Steve Baskauf, 2002-2011 · 4
Cephalanthus occidentalis, twig - orientation of petioles

Associates · map
FamilyScientific name @ source (records)
Aleyrodidae  Dialeurodes citri @ CSCA_TCN (1)
Amphisphaeriaceae  Discosia maculicola @ BPI (1)
Aphididae  Aphis ( @ NCSU_ENT (51)
Apidae  Bombus perplexus @ AMNH_BEE (1)
Arthoniaceae  Arthonia caesia @ GAL (1)
Botryosphaeriaceae  Phyllosticta cephalanthi @ BPI (1)

Phyllosticta @ BPI (1)
Capnodiaceae  Capnodium elongatum @ BPI (1)
Clavicipitaceae  Cordyceps clavulata @ BPI (2)
Coccidae  Parthenolecanium corni @ MEMU_ENT (2)
Diatrypaceae  Diatrypella cephalanthi @ BPI (2)

Diatrypella @ BPI (1)
Dictyopharidae  Rhynchomitra microrhina @ UDCC_TCN (1)
Erysiphaceae  Microsphaera alni @ BPI (7); 875862A (1)

Microsphaera semitosta @ BPI (8)

Phyllactinia corylea @ BPI (1)

Phyllactinia suffulta @ BPI (2)
Halictidae  Agapostemon splendens @ AMNH_BEE (3)
Helotiaceae  Cenangium cephalanthi @ BPI (2)

Scleroderris cephalanthi @ BPI (3)
Hyphodermataceae  Aegerita candida @ BPI (1)
Leptosphaeriaceae  Coniothyrium cephalanthi @ BPI (2)
Lycaenidae  Calycopis cecrops @ I_TQBH (2)
Megachilidae  Megachile albitarsis @ AMNH_BEE (3)

Megachile mendica @ AMNH_BEE (5)

Megachile xylocopoides @ AMNH_BEE (2)
Miridae  Agnocoris pulverulentus @ MEMU_ENT (1)

Ceratocapsus pumilus @ AMNH_PBI (2); MEMU_ENT (2)

Ceratocapsus punctulatus @ MEMU_ENT (1)

Ceratocapsus quadrispiculus @ MEMU_ENT (2)

Lygus lineolaris @ MEMU_ENT (1)

Neurocolpus nubilus @ MEMU_ENT (59)

Orthotylus ornatus @ MEMU_ENT (7)

Phytocoris erectus @ MEMU_ENT (1)

Phytocoris tibialis @ MEMU_ENT (1)

Prepops rubrovittatus @ AMNH_PBI (1)
Mycosphaerellaceae  Cercospora cephalanthi @ BPI (6)

Cercospora perniciosa @ BPI (2)

Ramularia cephalanthi @ BPI (2)

Septoria cephalanthi @ BPI (9)
Nectriaceae  Nectria episphaeria @ BPI (1)
Pentatomidae  Euschistus servus @ MEMU_ENT (1)
Physciaceae  Hyperphyscia @ GAL (1)
Pleosporaceae  Epicoccum maculatum @ BPI (1)
Polyporaceae  Polyporus glomeratus @ BPI (1)

Polyporus hirsutus @ BPI (1)

Polyporus illinoisensis @ BPI (1)
Pucciniaceae  Puccinia seymouriana @ BPI (36)
Reduviidae  Phymata fasciata @ UCR_ENT (2)
Rhopalidae  Arhyssus @ MEMU_ENT (1)

Niesthrea @ MEMU_ENT (1)
Steccherinaceae  Irpex lacteus @ BPI (1)

Odontia crustula @ BPI (1)

Odontia lactea @ BPI (1)
Teloschistaceae  Caloplaca cerina @ GAL (2)
Uropyxidaceae  Aecidium cephalanthi @ BPI (1)

Aecidium @ BPI (1)
_  Ascochyta cephalanthi @ BPI (1)

Uredo cephalanthi @ BPI (3)

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Following modified from University of Southern Indiana
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Home
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Cephalanthus occidentalis
Buttonbush
Rubiaceae

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Interesting info

Buttonbush has unusual globular flowers .

This sprawling bush is a favorite nesting place for some birds, especially the prothonotary warbler , a beautiful yellow bird that frequents the swamp.
 

You ought to know

Height: to about 6'

Frequency: Abundant swamp plant, easily seen from cypress swamp boardwalk.

Blooms: June and July

Range: Found in ponds and swamps throughout Indiana.

Also reported from New Brunswick to California and from Florida to Texas. Also known in east Asia.
 

 


Following modified from Virginia Tech Dendrology
   Top | See original

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Following modified from University of Texas
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Following modified from Missouri Plants
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Cephalanthus occidentalis L.

Cephalanthus occidentalis plant

Family - Rubiaceae

Stems - Woody, to 5m tall, multiple or with a single trunk, glabrous.

Leaves - Opposite or whorled, to 15cm long, 7cm broad, typically oblong to broadly elliptic, glabrous or with some tufts of hairs in axils of nerves (veins), petiolate.

Cephalanthus occidentalis leaves

Inflorescence - Globose head of many flowers, (to 3cm in diameter), on single peduncle from leaf axils and terminal.

Flowers - White. Corolla tubular, 4-lobed, +/- 1cm long. Style long protruding from corolla. Stamens 4, included within corolla.

Cephalanthus occidentalis flowers

Flowering - June - August.

Habitat - Moist to wet ground, occasionally cultivated.

Origin - Native to U.S.

Other info. - This is a very common shrub in swamps and wet woods. It is toxic if eaten.
Steyermark lists two varieties for this state. Variety occidentalis (pictured above) has glabrous leaves and stems. Variety pubescens has pubescent branches and leaves which are pubescent on the lower surface.

Photographs taken near Hwy. H, Shannon County, MO., 7-18-03.


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Following modified from Delaware Wildflowers
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Delaware Wildflowers  •  Scientific names

Cephalanthus occidentalis L. Buttonbush
Rubiaceae — Madder family
Native
Cephalanthus occidentalis
Lums Pond State Park
July 2002 Cephalanthus occidentalis
White Clay Creek State Park -- Thompson Station Road
July 2002 Cephalanthus occidentalis
White Clay Creek State Park -- Pump House Road
June 2011

More information on this plant, from other sources.


Copyright David G. Smith

Delaware Wildflowers main page

Following modified from Plants Database, United States Department of Agriculture
   Top | See original

http://plants.usda.gov/java/profile?symbol=CEOC2 ---> https://plants.usda.gov/java/profile?symbol=CEOC2
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Following modified from CalPhotos
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http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Cephalanthus+occidentalis+var.+californicus&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=Cephalanthus+occidentalis+var.+californicus&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant
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Following modified from CalPhotos
   Top | See original

http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Cephalanthus+occidentalis&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=Cephalanthus+occidentalis&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant
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Updated: 2017-11-23 13:20:48 gmt
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