Dichanthelium ovale subsp. pseudopubescens

(Nash) Freckmann & Lelong
Synonyms: Panicum villosissimum var. pseudopubescens Panicum pseudopubescens Panicum ovale var. pseudopubescens Panicum ovale var. addisonii Panicum commonsianum var. euchlamydeum Panicum commonsianum Panicum columbianum var. commonsianum Panicum addisonii
Treatment appears in FNA Volume 25. Treatment on page 430.
Revision as of 21:28, 16 December 2019 by FNA>Volume Importer

Basal blades 2-6 cm, evenly pilose. Culms more than 1 mm thick, stiff; lower internodes sparsely pubescent, with ascending or appressed hairs, hairs shorter than 4 mm, not papillose-based. Cauline sheaths with sparse, ascending or appressed hairs, hairs shorter than 4 mm, often with shorter hairs underneath, not papillose-based; ligules 1-4 mm; blades 3-8 mm wide, both surfaces sparsely appressed-pubescent, margins ciliate basally, scabridulous elsewhere. Spikelets 2.1-2.6 mm, ellipsoid or obovoid-ellipsoid, with papillose-based hairs.

Discussion

Dichanthelium ovale subsp. pseudopubescens grows in dry, sandy, open woods, sandhills, and sand dunes, over the same geographic range and in the same habitats as subsp. villosissimum, and often intergrades morphologically with that subspecies.

Selected References

None.

Lower Taxa

None.
Mary E. Barkworth +
(Nash) Freckmann & Lelong +
Del. +, Wis. +, Fla. +, Puerto Rico +, N.J. +, Tex. +, La. +, N.C. +, S.C. +, Pa. +, Ark. +, Iowa +, Ill. +, Ind. +, Md. +, Miss. +, Ohio +, Okla. +, N.Y. +, Va. +, Ala. +, Ga. +, Conn. +, Mass. +, Minn. +, Mich. +  and Ky. +
Panicum villosissimum var. pseudopubescens +, Panicum pseudopubescens +, Panicum ovale var. pseudopubescens +, Panicum ovale var. addisonii +, Panicum commonsianum var. euchlamydeum +, Panicum commonsianum +, Panicum columbianum var. commonsianum +  and Panicum addisonii +
Dichanthelium ovale subsp. pseudopubescens +
Dichanthelium ovale +
subspecies +