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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In areas muticz adequate precipitation, burning is used to remove litter, which then stimulates the stems to produce more green matter. 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.

It is productive and palatable until it becomes rough at maturity. Very drought tolerant, this species has the ability to become totally dormant as soil moisture drops. Panicles cm; fascicles mm. Log In New Account Sitemap. Hilarka using this site, you agree to the Terms of Use and Privacy Hhilaria. The culms are not felty pubescent as in H. It can be cut into hay when still green. In other projects Wikispecies. Sheaths glabrous or sparsely pilose on the margins; ligules 0. It is a climax species on frequently flooded lowlands.


Hilaria mutica grows in level upland areas and desert valleys subject to occasional flooding but lacking permanent streams. Flora of North America Plants perennial; cespitose, rhizomatous.

Hilaria mutica – Wikispecies

Go To Encyclopedia of Life Spikes cm long with spikelet clusters, these mostly mm long; the clusters have 3 spikelets and disarticulate as a unit, leaving zig-zag rachises; the three spikelets are subequal, with tuft of hairs mostly mm long at the base; glumes thin, papery, dorsally awned, awns not exceeding apices, veins excurrent; lemmas longer than glumes.

This page was last edited on 22 Marchat The stems have decumbent bases and erect tops.

The inflorescence is a few centimeters long and is white, strawor purplish. 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. Its range extends into northern Mexico. Plants perennial; cespitose, rhizomatous. 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.

Most of the stiff, hairless leaves are basal. Fire Effects Information System, [Online]. Articles with ‘species’ microformats.

Plant Database

Found on dry, exposed, sandy to rocky slopes and plains, mutcia 2, ft m ; flowers throughout the year. Pleuraphis mutica is a species of grass known by the common name tobosaor tobosa grass.


It grows on clay with honey mesquite and other species such as burrograss Scleropogon brevifoliusalkali sacaton Sporobolus airoides and sacaton S. Pleuraphis mutica is one of the most common species on the semidesert grasslands in the region.

It also grows on drier soils, and it is somewhat drought -tolerant. It also occurs on upland territory. Pleuraphis mutica is perennial grass that is rhizomatous and forms sod. Flora of North America. Retrieved January 15, Spikelets are borne in clusters of three. Views Read Edit View history. FNAGould Rhizomatous perennial grass; stems cm, erect, geniculate at the middle nodes, slender, tough and wiry; glabrous or scabrous-puberulent at the nodes.

Hilaria mutica Buckley Benth. It does best on land that is flooded for a few days and then muticaa up. Retrieved from ” https: Tobosa is an important forage for cattle and horses in the American Southwest.

Hilaria is named for Auguste St.