OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Sporobolus clandestinus   FAMILY Poaceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Sporobolus clandestinus   FAMILY Poaceae

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

Sporobolus clandestinus

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

Sporobolus compositus var. clandestinus

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 25 (2003)

Sporobolus clandestinus

SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)

Sporobolus 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 (4/14/23):
Sporobolus clandestinus   FAMILY Poaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Sporobolus clandestinus   FAMILY Poaceae

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

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

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 25
Sporobolus clandestinus

SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)
Sporobolus 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

Uncommon (rare in Mountains)

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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