familyPoaceae
subfamilyPoaceae subfam. Panicoideae
genusPanicum
subgenusPanicum subg. Panicum
sectionPanicum sect. Urvilleana
Show Lower Taxa
Panicum sect. Urvilleana
Treatment appears in FNA Volume 25. Treatment on page 475.
Plants perennial; rhizomatous, rhizomes stout, horizontal or vertical. Culms erect, arising in tufts or solitary. Ligules membranous, ciliate. Panicles narrow to lax; branches ascending to spreading; secondary branches and pedicels short, crowded, often appressed. Spikelets ovoid, densely to sparsely villous, hairs silvery or tawny-white, apices acute. Lower glumes about 3/4 as long as the spikelets, (5)7-9(11)-veined; upper glumes and lower lemmas 7-15-veined; lower florets staminate; lower paleas as large as the lower lemmas; upper lemmas villous on the basal portion of the margins.
Discussion
Panicum sect. Urvilleana consists of three species growing on coastal dunes and sand in South America. There is one species in the Flora region.
Selected References
None.
Lower Taxa
... more about "Panicum sect. Urvilleana"
Conn. +, N.H. +, R.I. +, N.C. +, N.J. +, N.Y. +, Wash. +, Ala. +, Fla. +, W.Va. +, Mich. +, Del. +, D.C +, Wis. +, Iowa +, Pacific Islands (Hawaii) +, Colo. +, Ill. +, Maine +, Oreg. +, Utah +, Mass. +, Vt. +, Wyo. +, Puerto Rico +, N.Mex. +, Tex. +, La. +, Ind. +, Md. +, Miss. +, Pa. +, Va. +, Ark. +, Kans. +, N.Dak. +, Nebr. +, Okla. +, S.Dak. +, Ky. +, Ariz. +, Idaho +, Tenn. +, S.C. +, Calif. +, Nev. +, Mo. +, Ga. +, Minn. +, Mont. +, Ohio +, Virgin Islands +, Alta. +, B.C. +, Man. +, N.B. +, Nfld. and Labr. (Labr.) +, N.S. +, Ont. +, P.E.I. +, Que. + and Sask. +
Panicum sect. Urvilleana +
Panicum subg. Panicum +
section +