Melica subulata

(Griseb.) Scribn.
Common names: Alaskan oniongrass Tapered oniongrass
Synonyms: Melica subulata var. pammelii Bromelica subulata
Treatment appears in FNA Volume 24. Treatment on page 95.

Plants cespitose, rhizomatous. Culms 55-125 cm, forming corms, corms attached to the rhizomes; internodes scabridulous basally. Sheaths usually scabridulous, sometimes glabrous or pilose; ligules 0.4-5 mm, to 1.5 mm on the lower leaves, to 5 mm on the upper leaves; blades 2-10 mm wide, abaxial surfaces smooth or scabridulous, adaxial surfaces scabridulous, glabrous or with hairs. Panicles 8-25 cm, lax; branches 1.7-9 cm, usually appressed to ascending, occasionally divergent, with 1-5 spikelets; pedicels not sharply bent; disarticulation above the glumes. Spikelets 10-28 mm, with 2-5 bisexual florets; rachilla internodes 1.8-2 mm. Lower glumes 4-8 mm long, 1.3-2.2 mm wide, 1-3-veined; upper glumes 5.5-11.5 mm long, 2-3 mm wide, 3-5-veined; lemmas 5.5-18 mm, usually strigose over the veins, hairs longest towards the base, 7-9-veined, veins prominent, apices strongly tapering and acuminate, unawned; paleas 1/2 - 3/4 the length of the lemmas; anthers 1.5-2.5 mm; rudiments 4-9 mm, tapering, resembling the bisexual florets. Caryopses 4-5 mm. 2n = 18.


Alaska, Colo., Idaho, Nev., S.Dak., Wash., Wyo., Alta., B.C., Mont., Calif., Oreg.


Melica subulata grows from sea level to 2300 m in mesic, shady woods. Its range extends from the Aleutian Islands of Alaska through British Columbia to California, east to Lawrence County, South Dakota, and into Colorado.

Selected References


Lower Taxa

... more about "Melica subulata"
Mary E. Barkworth +
(Griseb.) Scribn. +
Alaskan oniongrass +  and Tapered oniongrass +
Alaska +, Colo. +, Idaho +, Nev. +, S.Dak. +, Wash. +, Wyo. +, Alta. +, B.C. +, Mont. +, Calif. +  and Oreg. +
Melica subulata var. pammelii +  and Bromelica subulata +
Melica subulata +
species +