Microstegium

Nees
Treatment appears in FNA Volume 25. Treatment on page 623.
Revision as of 19:23, 24 September 2019 by FNA>Volume Importer

Plants annual or perennial; straggling. Culms to 100 cm, often decumbent. Leaves not aromatic; ligules membranous; blades narrowly-elliptic to lanceolate, often pseudopetiolate. Inflorescences terminal, subdigitate to racemose clusters of 1-few rames; rame internodes slender, without a translucent longitudinal groove; disarticulation in the rames beneath the sessile spikelets, and below the pedicellate spikelets. Spikelets in homogamous, homomorphic, sessile-pedicellate pairs, with 1 or 2 florets. Lower glumes herbaceous to cartilaginous, longitudinally grooved, margins inflexed, 4-6-veined, usually keeled; upper glumes 3-veined, mucronate or shortly awned; lower florets absent, or reduced and sterile; upper florets bisexual; upper lemmas usually awned; anthers (2)3. x = 10. Pedicels not fused to the rame axes.

Distribution

Conn., N.J., N.Y., D.C, W.Va., Fla., Puerto Rico, Tex., La., Tenn., N.C., S.C., Pa., Va., Del., Md., Ala., Ark., Ill., Ga., Ind., Mass., Ohio, Mo., Miss., Ky.

Discussion

Microstegium is a genus of approximately 15 species, most of which are native to southeastern Asia; one is established in the Flora region.

... more about "Microstegium"
John W. Thieret +
Conn. +, N.J. +, N.Y. +, D.C +, W.Va. +, Fla. +, Puerto Rico +, Tex. +, La. +, Tenn. +, N.C. +, S.C. +, Pa. +, Va. +, Del. +, Md. +, Ala. +, Ark. +, Ill. +, Ga. +, Ind. +, Mass. +, Ohio +, Mo. +, Miss. +  and Ky. +
fairbrothers1972a +, hunt1992a +  and mehrhoff2000a +
Gramineae +
Microstegium +
Poaceae tribe Andropogoneae +