Paspalidium geminatum

(Forssk.) Stapf
Common names: Egyptian paspalidium Water paspalidium
Synonyms: Paspalidium geminatum var. paludivagum Panicum geminatum
Treatment appears in FNA Volume 25. Treatment on page 560.
Revision as of 21:30, 16 December 2019 by FNA>Volume Importer

Plants perennial; rhizomatous. Culms 25-100 cm, erect. Leaves basal and cauline; sheaths glabrous, margins scarious, sparsely ciliate distally; ligules 0.5-1 mm, of hairs; blades flat to conduplicate, glabrous or scabrous. Panicles 10-30 cm; branches 5-15, 1-3.7 cm, erect, with more than 12 spikelets; terminal bristles 2.5-4 mm. Spikelets 2.2-3.2 mm, clearly overlapping. Lower glumes 0.8-1.2 mm, 1-3-veined, truncate; upper glumes and lower lemmas 2-2.4 mm, glabrous, 5-7-veined, acuminate; lower paleas 2-2.4 mm, scarious; upper lemmas and paleas 2-2.3 mm, rugose, stramineous to light brown, lemma margins scarious, inrolled, clasping the paleas, lemma apices acuminate; anthers 1.2-1.5 mm. Caryopses about 1 mm in diameter, spheroidal, slightly flattened, yellow. 2n = 18, 54.

Distribution

Okla., Tex., La., Mo., Puerto Rico, Virgin Islands, Ala., Ga., S.C., Fla.

Discussion

Paspalidium geminatum grows in moist to wet, fresh to brackish areas. It is native to the southeastern United States, the West Indies, and tropical regions of the Americas.

Selected References

None.

Lower Taxa

None.
... more about "Paspalidium geminatum"
Charles M. Allen +
(Forssk.) Stapf +
Egyptian paspalidium +  and Water paspalidium +
Okla. +, Tex. +, La. +, Mo. +, Puerto Rico +, Virgin Islands +, Ala. +, Ga. +, S.C. +  and Fla. +
Paspalidium geminatum var. paludivagum +  and Panicum geminatum +
Paspalidium geminatum +
Paspalidium +
species +