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[edit]. 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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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 muhica.

Fire Effects Information System, [Online]. Spikes cm long with spikelet clusters, these mostly mm long; the clusters have 3 spikelets and disarticulate as a unit, mutifa zig-zag rachises; the three spikelets are subequal, with tuft of hairs mostly mm long at the base; hllaria thin, papery, dorsally awned, awns not exceeding apices, veins excurrent; lemmas longer than glumes. Hilaria mutica Buckley Benth. Found on dry, exposed, sandy to rocky slopes and plains, from 2, ft m ; flowers throughout the year.

Panicles cm; fascicles mm. Articles with ‘species’ microformats. 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. Rhizomatous perennial grass; stems cm, erect, geniculate at the middle nodes, slender, tough and wiry; glabrous or scabrous-puberulent at the hialria. It does best on land that is flooded for a few days and then dries up.


Pleuraphis mutica Calflora

Pleuraphis mutica is perennial grass that is rhizomatous and forms sod. Culms cm, erect, geniculate at the middle nodes; nodes glabrous or pubescent, hairs to 0.

The bases of the stems come from a thick, woody rootstock and a system of roots that penetrates up to 1. 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. By using this site, you agree to the Terms of Use and Privacy Policy. Flora of North America Plants perennial; cespitose, rhizomatous. In other projects Wikispecies. 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, uilaria to finely laciniate, veins not or scarcely excurrent; anthers 3, 2.

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Hilaria mutica

In Texasit yields pounds per acre, and this can be increased with careful and deliberate management. It also grows on drier soils, and it is somewhat drought -tolerant. Retrieved January 15, Pleuraphis mutica is a species of grass known by the common name tobosaor tobosa grass. It can be cut into hay when still green.


Tobosa is an important murica for cattle and horses in the American Southwest. It grows on clay with honey mesquite and other species such as burrograss Scleropogon brevifoliusalkali sacaton Sporobolus airoides and sacaton S. Its range extends into northern Mexico.

Go To Encyclopedia of Life The plant reproduces mainly by spreading by its rhizome, and does not often form viable seeds. Flora of North America. Log In New Account Sitemap. The inflorescence is a few centimeters long and is white, strawor purplish. The 3 spikelets fall as a unit and leave a characteristic zig-zag naked seed stalk. Habitat types that feature the grass include pinyon-juniper woodland and mesquite, creosote, and grassy shrubsteppe.

It is especially valuable during drought when it persists after other grasses die. This page was last edited on 22 Marchat The stems have decumbent bases and erect tops. Pleuraphis mutica is one of the most common species on the semidesert grasslands in the region. FNAGould Pleuraphis mutica Conservation status. The grass can cause ergot poisoning if eaten when infested with the fungus.