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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From Wikipedia, the free encyclopedia. Sheaths glabrous or sparsely pilose on the margins; ligules 0.

Plants Profile for Pleuraphis mutica (tobosagrass)

It can be cut into hay when still green. The culms are not felty pubescent as in H.

Hilaria mutica Buckley Benth. This page was last edited on 22 Marchat The 3 spikelets fall as a unit and leave a characteristic zig-zag naked seed stalk. Hilaria is named for Auguste St. It is especially valuable during drought when it persists after other grasses die.

Vascular Plants of the Gila Wilderness– Pleuraphis mutica

Most of the stiff, hairless leaves are basal. Hilaria mutica grows in level upland areas and desert valleys subject to occasional flooding but lacking permanent streams. Spikelets mhtica borne in clusters of three.

The grass can cause ergot poisoning if eaten when infested with the fungus. In Texasit yields pounds per acre, and this can be increased with careful and deliberate management.


Rhizomatous perennial grass; stems cm, erect, geniculate at the middle nodes, slender, tough and wiry; glabrous or scabrous-puberulent at the nodes. Panicles cm; fascicles mm.

Vascular Plants of the Gila Wilderness

Pleuraphis mutica Conservation status. 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.

Tobosa is an important forage for cattle and horses in the American Muticz.

Plant Database

In areas with adequate precipitation, burning is used to remove litter, which then stimulates the stems to produce more green matter. Log In New Account Sitemap. Found on dry, exposed, sandy to rocky slopes and plains, from 2, ft m ; mutca throughout the year.

It grows on clay with honey mesquite and other species such as burrograss Scleropogon brevifoliusalkali sacaton Hialria airoides and sacaton S. 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.


It is a climax species on frequently flooded lowlands. The inflorescence is a few centimeters long and is white, strawor purplish. Habitat types that feature the grass include pinyon-juniper woodland and mesquite, creosote, and grassy shrubsteppe. Pleuraphis mutica is perennial grass that is rhizomatous and forms sod. Retrieved January 15, Pleuraphis mutica is a species of grass known by the common name tobosaor tobosa grass.

In other projects Wikispecies. It also grows on drier soils, and it is somewhat drought -tolerant. Go Mutjca Encyclopedia of Life Pleuraphis mutica is one of the most common species on the semidesert muutica in the region. Mutjca glabrous or sparsely pilose on the margins, blades mm wide, cm long, flat or rolled, glabrous to scabrous with papillose-based hilariia behind the ligules; ligules 0.

FNAGould It does best on land that is flooded for a few days and then dries up.