OF THE CAROLINAS & GEORGIA

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

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



INCLUDED WITHIN PLANTS NATIONAL DATABASE:
Sporobolus indicus var. pyramidalis   FAMILY Poaceae

INCLUDED WITHIN Floristic Synthesis of North America. BONAP (Kartesz, 2021)

Sporobolus pyramidalis

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

Sporobolus jacquemontii

INCLUDED WITHIN Floristic Synthesis of North America (Kartesz, 1999)

Sporobolus indicus var. pyramidalis

(?) Manual of the Southeastern Flora (Small, 1933, 1938)

Sporobolus berteroanus

 

COMMON NAME:
West Indian Dropseed


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

image of Sporobolus jacquemontii, West Indian Dropseed

Keith Bradley    kab_s_jacquemontii_71772

June    Monroe County    FL

Culms 40-100cm. Blades 10-40cm long, 2-4mm wide, tapering to a fine point, per Grass Manual on the Web.

image of Sporobolus jacquemontii, West Indian Dropseed

Keith Bradley    kab_s_jacquemontii_4139

August    Miami-Dade County    FL

Primary branches appressed to strongly ascending, spikelet-bearing to base, per Grass Manual on the Web.

image of Sporobolus jacquemontii, West Indian Dropseed

Keith Bradley    kab_s_jacquemontii_4142

August    Miami-Dade County    FL

Panicles 14-35cm long, 0.4-3cm wide, contracted, interrupted, and rather lax, per Grass Manual on the Web.


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

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Sporobolus jacquemontii   FAMILY Poaceae

INCLUDED WITHIN PLANTS NATIONAL DATABASE:
Sporobolus indicus var. pyramidalis   FAMILY Poaceae

INCLUDED WITHIN Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Sporobolus pyramidalis

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

INCLUDED WITHIN Floristic Synthesis of North America (Kartesz, 1999)
Sporobolus indicus var. pyramidalis

(?) Manual of the Southeastern Flora (Small, 1933, 1938)
Sporobolus berteroanus

 

Find by SCIENTIFIC NAME:

4088

Grass, Sedge, or Rush
Perennial

Habitat: pine flatwoods, beaches, roadsides on barrier islands, per Weakley's Flora

Non-native: New World tropics & subtropics & ? the exact extent of the range unclear

Rare

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
Mostly basal

RHIZOMES? STOLONS?
Densely cespitose [growing in dense tufts, clumping], not rhizomatous

FLOWER:
Summer/Fall

Inflorescence a spikelike panicle

FRUIT:
Summer/Fall
Utricle

 

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



 


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