Nassella pulchra

Nassella pulchra (A. Hitchc.) Barkworth
Purple needlegrass, Purple stipa (syn. Stipa pulchra A. Hitchc.)

Family:  Poaceae

Habit:  Tufted perennial grass with flat or involute leaves and terminal nodding panicles.  Stem 3 to 10 dm. high.

Distribution:  Found in oak woodland, chaparral, and grasslands in California coastal ranges from Humboldt County to Baja California; also in the Sierran foothills and the Channel Islands.

Seed unit:  One-flowered spikelet with caryopsis.

Seed:    Glumes subequal; 12 to 19 mm.; floret 7.5 to 11.5 mm., lemma evenly hairy, becoming glabrous on veins, neck conspicuous, not narrowed at base.  Awn 38 to 100 mm., strongly bent.

Embryo:  Basal-lateral embryo area of seed caryopsis.

Purity instructions:   Pure seed definition: 
AOSA:  PSU #12 - Single floret, with or without awn, provided a caryopsis with some degree of endosperm development can be detected (either by slight pressure or by examination over light.)  Caryopsis or piece of broken caryopsis larger than one-half of the original size. 

Average pure seed units per gram:  212 seeds per gram (based on AOSA pure seed units only from 328 samples received for testing from 1992 to 2003).

Range of percent pure seed:   27% to 99%

Range of percent inert:  .08% to 71%

Description of inert:   Plant material, chaff, soil, broken seed, sticks.

Planting instructions:  400 seeds, TB, 21 days @ 15-25°; for fresh and dormant seed, prechill and GA3 recommended.

References:  (link to main reference page)
Hickman, J.C., Ed.  1993.  p. 1276.
Munz, P.A. and D.D. Keck.  1968.  p. 1532.
Ransom Seed Laboratory