familyPoaceae
subfamilyPoaceae subfam. Panicoideae
genusPanicum
subgenusPanicum subg. Panicum
sectionPanicum sect. Dichotomiflora
speciesPanicum dichotomiflorum
Panicum dichotomiflorum subsp. puritanorum
Treatment appears in FNA Volume 25. Treatment on page 469.
Culms 30-60 cm, usually slender, sometimes to 2 mm thick. Sheaths glabrous or sparsely pilose, hairs not papillose-based. Pedicels often over 3 mm, usually longer than the spikelets. Spikelets 1.8-2.2 mm, widest at about the middle, acute. Upper glumes and lower lemmas slightly exceeding the upper florets, submembranacous.
Discussion
Panicum dichotomiflorum subsp. puritanorum has a sporadic distribution on receding shores along the Atlantic coast from Nova Scotia to Virginia, and around southern Lake Michigan. The small spikelets with thin glumes and thin lower lemmas are probably genetically fixed traits; the commonly delicate habit, however, probably results from late season seed germination following receding water.
Selected References
None.
Lower Taxa
None.
... more about "Panicum dichotomiflorum subsp. puritanorum"
Conn. +, N.J. +, N.Y. +, B.C. +, N.B. +, N.S. +, Ont. +, Que. +, Wash. +, Va. +, Mich. +, Del. +, Wis. +, W.Va. +, Pacific Islands (Hawaii) +, Mass. +, Maine +, N.H. +, R.I. +, Vt. +, Fla. +, N.Mex. +, Tex. +, La. +, D.C. +, Ind. +, Tenn. +, N.C. +, S.C. +, Pa. +, Kans. +, Nebr. +, Okla. +, S.Dak. +, Nev. +, Puerto Rico +, Colo. +, Calif. +, Ala. +, Ark. +, Ariz. +, Ga. +, Minn. +, Mo. +, Mont. +, Ohio +, Oreg. +, Utah +, Ill. +, Iowa +, Idaho +, Md. +, Miss. + and Ky. +
Present +
Panicum dichotomiflorum subsp. puritanorum +
Panicum dichotomiflorum +
subspecies +