OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Fabales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Senna obtusifolia   FAMILY Fabaceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Senna obtusifolia   FAMILY Fabaceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)

Senna obtusifolia

SYNONYMOUS WITH Native & naturalized Leguminosae (Fabaceae) of the US (Isely, 1998)

Senna obtusifolia

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 098-05-001:

Cassia obtusifolia   FAMILY Fabaceae

INCLUDED WITHIN (MISAPPLIED) Manual of the Southeastern Flora (Small, 1933, 1938)

Emelista tora

 

COMMON NAME:
Coffeeweed, Sicklepod


         To see larger pictures, click or hover over the thumbnails.

image of Senna obtusifolia, Coffeeweed, Sicklepod

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_cato81_001_lvd

        

image of Senna obtusifolia, Coffeeweed, Sicklepod

JK Marlow    jkm0308a_25

August    Williamsburg County    SC

image of Senna obtusifolia, Coffeeweed, Sicklepod

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 (Radford, Ahles, & Bell, 1968).


click here to see other plants that look similar to this COMPARE pinnately compound leaves of forbs

image of Senna obtusifolia, Coffeeweed, Sicklepod

Roxanna Martin    rlm82209_246

August    Spartanburg County    SC

Sepals unequal, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Senna obtusifolia, Coffeeweed, Sicklepod

Richard and Teresa Ware    rtw_senna_obtusifolia_4

August        

image of Senna obtusifolia, Coffeeweed, Sicklepod

JK Marlow    jkm180924_4933

September    McCormick County    SC

Parks Mill

What's with the 8 leaflets???

image of Senna obtusifolia, Coffeeweed, Sicklepod

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 (Horn, Cathcart, Hemmerly, & Duhl, 2005).

image of Senna obtusifolia, Coffeeweed, Sicklepod

Richard and Teresa Ware    rtw_senna_obtusifolia_5

September        

Flowers are solitary or paired in upper leaf axils, per Wildflowers of Tennessee (Carman, 2005).

image of Senna obtusifolia, Coffeeweed, Sicklepod

JK Marlow    jkm161106_145

November    Williamsburg County    SC

One to two legumes per node, per Forest Plants of the Southeast and Their Wildlife Uses (Miller & Miller, 2005).

image of Senna obtusifolia, Coffeeweed, Sicklepod

JK Marlow    jkm161106_147

November    Williamsburg County    SC

Legume narrowly linear, strongly curved, tetragonal, 1-2dm long, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Senna obtusifolia, Coffeeweed, Sicklepod

JK Marlow    jkm181111_5822

November    Williamsburg County    SC

image of Senna obtusifolia, Coffeeweed, Sicklepod

JK Marlow    jkm181111_5824

November    Williamsburg County    SC

image of Senna obtusifolia, Coffeeweed, Sicklepod

JK Marlow    jkm181111_5902

November    Orangeburg County    SC

image of Senna obtusifolia, Coffeeweed, Sicklepod

Sharleen Johnson    shj_1332203034220030

December    Charleston County    SC

Donnelley Wildlife Management Area

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Senna obtusifolia   FAMILY Fabaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Senna obtusifolia   FAMILY Fabaceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Senna obtusifolia

SYNONYMOUS WITH Native & naturalized Leguminosae (Fabaceae) of the US (Isely, 1998)
Senna obtusifolia

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 098-05-001:
Cassia obtusifolia   FAMILY Fabaceae

INCLUDED WITHIN (MISAPPLIED) Manual of the Southeastern Flora (Small, 1933, 1938)
Emelista tora

 

Find by SCIENTIFIC NAME:

284

Forb
Annual

Habitat: Fields (especially soybean fields), disturbed areas, per Weakley's Flora

Non-native: New World tropics?

Common (rare in NC Mountains)

map
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.


Invasive?

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
5-lobed calyx
5 petals
6-7 stamens & 3-4 staminodia
Superior ovary
Bisexual

FRUIT:
Summer/Fall
Legume

 

TO LEARN MORE about this plant, look it up in a good book!



 


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