The scientific name of tobosagrass is Pleuraphis mutica Buckley (Poaceae) [71, 79,81,95]. SYNONYMS: Hilaria mutica (Buckl.) Benth. [1,6,57,71,78,79,82,95]. Name. Hilaria mutica (Buckley) Benth., Pleuraphis mutica Buckley Hilaria mutica in World Checklist of Selected Plant Families. Pleuraphis mutica. Pleuraphis mutica Buckley. Tobosa Grass, Tobosagrass. Poaceae (Grass Family). Synonym(s): Hilaria mutica.
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In Texasit yields pounds per acre, and this can be increased with careful and deliberate management. It is productive and palatable until it becomes rough at maturity. Pleuraphis mutica is a species of grass known by the common name tobosaor tobosa grass. Sheaths glabrous or sparsely pilose on the margins, blades mm wide, cm long, flat or rolled, glabrous to scabrous with papillose-based hairs behind the ligules; ligules 0. Flora of North America.
Vascular Plants of the Gila Wilderness– Pleuraphis mutica
Hilairea French naturalist; mutica means blunt, probably referring to the shape of the glumes. It also occurs on upland territory. The stems have decumbent bases and erect tops. Pleuraphis mutica Conservation status. Retrieved from ” https: Hilaria is named for Auguste St.
Most hilqria the stiff, hairless leaves are basal. Hilaria mutica Buckley Benth. It also grows on drier soils, and it is somewhat drought -tolerant. The bases of the stems come from a thick, woody rootstock and a system of roots that penetrates up to 1. Tobosa is an important mutkca for cattle and horses in the American Southwest. In other projects Wikispecies. Found on dry, exposed, sandy to rocky slopes and plains, from 2, ft m ; flowers throughout the year.
Fire Effects Information System, [Online]. The genus is distinguished by the rigid inflorescence spikes which produce groups of 3 sessile, awned spikelets, that when mature, have conspicuous tan-white papery bracts glumes which often splay out. Lateral spikelets with 1 or 2 4 staminate florets; glumes not conspicuously fused basally, thin, papery, flabellate, dorsally awned, awns not exceeding the apices, apical lobes rounded, ciliate to finely laciniate, veins not or scarcely excurrent; anthers 3, 2.
Culms cm, erect, geniculate at the middle nodes; nodes glabrous or pubescent, hairs to 0. Articles with ‘species’ microformats. Retrieved January 15, Hilaria mutica grows in level upland areas and desert valleys subject to occasional flooding but lacking permanent streams.
Views Read Edit View history. Spikelets are borne in clusters of three. The plant reproduces mainly by spreading by its rhizome, and does not muutica form viable seeds. It can be cut into hay when still green. Central spikelets with 1 bisexual floret; glumes with 1 or more divergent, dorsal awns, apical lobes, ciliate to finely laciniate, veins excurrent; lemmas exceeding the glumes, bilobed, mucronate. Panicles cm; fascicles mm.
The 3 spikelets fall as a unit and leave a characteristic zig-zag naked seed mhtica. The inflorescence is a few centimeters long and is white, strawor purplish. From Wikipedia, the free encyclopedia.