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Needle-and-thread

Hesperostipa comata (Trin. & Rupr.) Barkworth subsp. comata

[=Stipa comata Trin. ]

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Needle-and-thread
Needle-and-thread
Needle-and-thread
Needle-and-thread
Needle-and-thread

Morphology

Culm
Erect, sparingly branched, hollow, glabrous or pubescent at nodes.
Blades
Flat or rolled inward, narrow, 2 to 16 inches long, less than 1/3 inch wide, conspicuously ridged, glabrous or rough.
Sheath
Usually longer than internodes, open, glabrous or rough, conspicuously veined.
Ligule
Membranous, tips pointed, notched at top.
Inflorescence
Narrow panicles, contracted or open, 4 to 20 inches long, bases usually enclosed in uppermost sheaths; branches slender, ascending.
Spikelets
Borne near tips of branches, 1-flowered, drooping at flowering; glumes .5 to 1.5 inch long, 3-5-nerved, tapered to slender tips; lemmas to 1/2 inch long, pale to brownish, lightly pubescent, stiff-hairy at bases; awns 4 to 8 inches long, bases with tiny crown of hairs, tightly coiled below, loosely coiled or zigzag near ends.

Ecology

Habitat
Dry prairies and pastures, on well-drained sandy or rocky soils.
Distribution
West 1/5 of Kansas.

Practical Information

Forage Value
Needle-and-thread has fair to good forage value for livestock prior to fruiting.
Uses
The Blackfoot noted the appearance of this grass to determine the best time to hunt bison.

Additional Notes

Comments

Densely tufted. The awns can cause injuries to eyes and tongues and can contaminate wool.

Synonyms

Alternative scientific names that have been used for this plant.

Scientific Name: Stipa comata

Full Citation: Stipa comata Trin.

Quick Facts
Plant Type
Grass
Family
Poaceae - Grass Family
Life Span
Perennial
Height
1-4 feet
Last Updated
2007-09-11
Flowering Period
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Blooms: June, July