Dichanthelium ovale subsp. pseudopubescens

(Nash) Freckmann & Lelong
Synonyms: Panicum villosissimum var. pseudopubescens unknown Panicum pseudopubescens unknown Panicum ovale var. pseudopubescens unknown Panicum ovale var. addisonii unknown Panicum commonsianum var. euchlamydeum unknown Panicum commonsianum unknown Panicum columbianum var. commonsianum unknown Panicum addisonii unknown
Treatment appears in FNA Volume 25. Treatment on page 430.
Revision as of 20:21, 24 September 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 +