Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Fabales
WEAKLEY'S FLORA (11/30/12):
Senna obtusifolia
FAMILY
Fabaceae
NEW! Click to go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Check out EDDMapS.org to see where this has been reported.
Learn more about Coffeeweed from the Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Senna obtusifolia
FAMILY
Fabaceae
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 098-05-001:
Cassia obtusifolia
FAMILY
Fabaceae
COMMON NAME:
Coffeeweed, Sicklepod
To see larger pictures, click or hover over the thumbnails.
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USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_cato81_001_lvd
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JK Marlow jkm0308a_25
August Williamsburg County SC
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JK Marlow jkm140803_281
August Greenville County SC
Swamp Rabbit Trail
Leaflets 4-6, terminal pair largest, obovate, widely rounded apically, per Vascular Flora of the Carolinas.
COMPARE
pinnately compound leaves of forbs
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Roxanna Martin rlm82209_246
August Spartanburg County SC
Sepals unequal, per Vascular Flora of the Carolinas.
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Richard and Teresa Ware rtw_senna_obtusifolia_4
August
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JK Marlow jkm180924_4933
September McCormick County SC
Parks Mill
What's with the 8 leaflets???
)
Roxanna Martin rlm9410_412
September Spartanburg County SC
Slightly unequal dull yellow petals that never seem to be open fully, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.
)
Richard and Teresa Ware rtw_senna_obtusifolia_5
September
Flowers are solitary or paired in upper leaf axils, per Wildflowers of Tennessee.
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JK Marlow jkm161106_145
November Williamsburg County SC
One to two legumes per node, per Forest Plants of the Southeast and Their Wildlife Uses.
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JK Marlow jkm161106_147
November Williamsburg County SC
Legume narrowly linear, strongly curved, tetragonal, 1-2dm long, per Vascular Flora of the Carolinas.
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JK Marlow jkm181111_5822
November Williamsburg County SC
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JK Marlow jkm181111_5824
November Williamsburg County SC
)
JK Marlow jkm181111_5902
November Orangeburg County SC
WEAKLEY'S FLORA (11/30/12):
Senna obtusifolia
FAMILY
Fabaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Senna obtusifolia
FAMILY
Fabaceae
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 098-05-001:
Cassia obtusifolia
FAMILY
Fabaceae
284
Forb
Annual
Non-native: New World tropics?
Habitat: Fields (especially soybean fields), disturbed areas, per Weakley's Flora
NEW! Click here to see a map from Weakley's Flora of the Southeastern US showing range and abundance.
Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)
This plant may be causing problems in natural areas outside its native range, according to authorities such as:
LEAVES:
Even-pinnately compound: 4-6 leaflets
Mostly alternate
FLOWER:
Summer/Fall
Yellow
Bisexual
5-lobed calyx
5 petals
6-7 stamens & 3-4 staminodia
Superior ovary
FRUIT:
Summer/Fall
Legume
TO LEARN MORE about this plant, look it up in a good book!
- Forest Plants of the Southeast and Their Wildlife Uses p168
- Guide to the Wildflowers of SC p396
- Wildflowers of the Atlantic Southeast p230
- Wildflowers of the Eastern United States p028
- Wildflowers of Tennessee p139
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians p177
- Wildflowers of the Southern Mountains p074