Sporobolus bahamensis

Sporobolus bahamensis Hack.

Common Names: Filiform Rush Grass

Family: Poaceae

Habit: Sporobolus bahamensis grows as an annual up to 30 cm in height when flowering. The glabrous, slightly involute leaves are arranged alternately, to 6 cm in length (usually shorter) with at basal sheath extending along the stem. At the point of divergence of the leaf sheath to the leaf blade is a scale ligule. The leaves are parallel veined.

The zygomorphic flowers are arranged in an open panicle of glabrous spikelets.  At the base of each spikelet are 2 structures called glumes. The first glume small and the second is larger and they are shorter than the spikelet. In each spikelet there are flowering structures each is subtended by 2 additional structures (lemma and palea) that are equal in length. Each spikelet has 1 floret with 1 stamen and a superior ovary each with a single locule and seed.  The fruit is a caryopsis.

Habitat: Sporobolus bahamensis grows in open Human Altered environments (yards, old fields, roadsides).

Distribution: Sporobolus bahamensis is endemic to the Lucayan Archipelago.  It known to occur on Acklins, Great Inagua and the Turks and Caicos Islands

Medicinal/Cultural/Economic usage: Sporobolus bahamensis is not known to be used medicinally in the Bahamas.