OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Commelinids: Poales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (10/20/20):
Sporobolus clandestinus   FAMILY Poaceae   Go to FSUS key


SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Sporobolus clandestinus   FAMILY Poaceae

SYNONYMOUS WITH Guide to the Vascular Plants of Florida (Wunderlin & Hansen, 2011)

Sporobolus compositus var. clandestinus

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 029-44-007:

Sporobolus clandestinus   FAMILY Poaceae

SYNONYMOUS WITH Manual of the Grasses of the US (Hitchcock & Chase, 1950)

Sporobolus clandestinus

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)

Sporobolus clandestinus

 

COMMON NAME:
Rough Dropseed


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

image of Sporobolus clandestinus, Rough Dropseed

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_spcl_001_lvd

        

image of Sporobolus clandestinus, Rough Dropseed

USDA-NRCS PLANTS Database / Hitchcock, A.S. (rev. A. Chase). 1950    pnd_spcl_002_lvd

        

image of Sporobolus clandestinus, Rough Dropseed

JK Marlow    jkm061112_031

November    Union County    SC

image of Sporobolus clandestinus, Rough Dropseed

JK Marlow    jkm061112_058062

November    Union County    SC

image of Sporobolus clandestinus, Rough Dropseed

JK Marlow    jkm081102_023

November    Columbia County    GA

S. clandestinus and S. compositus are closely related, per Weakley's Flora (2020).

image of Sporobolus clandestinus, Rough Dropseed

JK Marlow    jkm081102_031

November    Columbia County    GA

Panicle narrow, contracted, 5-10cm long, usually partly enclosed, per Manual of the Grasses of the United States (Hitchcock & Chase, 1950).


click here to see other plants that look similar to this COMPARE seedheads of Sporobolus species

image of Sporobolus clandestinus, Rough Dropseed

JK Marlow    jkm081102_034

November    Columbia County    GA

image of Sporobolus clandestinus, Rough Dropseed

JK Marlow    jkm081102_080

November    Columbia County    GA

Spikelets 4-8mm. Lemma pubescent, usually conspicuously shorter than palea, per Weakley's Flora (2020).

image of Sporobolus clandestinus, Rough Dropseed

JK Marlow    jkm081102_083

November    Columbia County    GA

There is a ribbon-like, on-again-off-again, appearance to the herbage.

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (10/20/20):
Sporobolus clandestinus   FAMILY Poaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Sporobolus clandestinus   FAMILY Poaceae

SYNONYMOUS WITH Guide to the Vascular Plants of Florida (Wunderlin & Hansen, 2011)
Sporobolus compositus var. clandestinus

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 029-44-007:
Sporobolus clandestinus   FAMILY Poaceae

SYNONYMOUS WITH Manual of the Grasses of the US (Hitchcock & Chase, 1950)
Sporobolus clandestinus

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Sporobolus clandestinus

 

Find by SCIENTIFIC NAME:

2456

Grass, Sedge, or Rush
Perennial

Habitat: Glades, barrens, and thin soil of woodlands, also in dry sands and pine rocklands, per Weakley's Flora

Native to the Carolinas & Georgia

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

Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)

LEAVES:
Simple
Basal & alternate, not 2-ranked

FLOWER:
Summer/Fall
Panicle usually purplish

Inflorescence a spikelike panicle

FRUIT:
Summer/Fall
Grain yellowish
Utricle

 

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



 


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