Melica subulata

(Griseb.) Scribn.
Common names: Alaskan oniongrass Tapered oniongrass
Endemic
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.

Distribution

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

Discussion

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

None.

Lower Taxa

None.

"decumbent" is not a number.

... more about "Melica subulata"
scabridulous +  and smooth +
membranous +  and scarious +
with hairs +  and glabrous +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
acuminate +  and tapering +
Mary E. Barkworth +
(Griseb.) Scribn. +
1 (?) +  and 3 (?) +
straight +
basal +  and apical +
0 cm0 mm <br />0 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
keeled +  and rounded +
pseudopetiolate +  and branching +
persistent +
intravaginal +, extravaginal +, branching +  and basal +
swelling +
hairy +  and glabrous +
folded +  and flat +
0.2 cm2 mm <br />0.002 m <br /> (1 cm10 mm <br />0.01 m <br />) +
usually appressed;ascending +
1.7 cm17 mm <br />0.017 m <br /> (9 cm90 mm <br />0.09 m <br />) +
Alaskan oniongrass +  and Tapered oniongrass +
not branching +
ascending +  and erect +
55 cm550 mm <br />0.55 m <br /> (125 cm1,250 mm <br />1.25 m <br />) +
not woody +
Alaska +, Colo. +, Idaho +, Nev. +, S.Dak. +, Wash. +, Wyo. +, Alta. +, B.C. +, Mont. +, Calif. +  and Oreg. +
0 +  and 1/3 +
liquid +, soft +  and hard +
capillary +
sometimes longer +
2 +  and 5 +
compressed +
reduced +
shorter than to longer than the adjacent lemmas +
subtending +
chartaceous +  and membranous +
longest +
uncinate +
scabridulous +
(4)5-15-veined +
0.55 cm5.5 mm <br />0.0055 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
coriaceous +  and membranous +
0 cm0 mm <br />0 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
inconspicuous +
lanceolate +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
1.3mm +  and 2.2mm +
concealed +  and prominent +
2 +  and 1 +
well-developed +
1/2 +  and 3/4 +
reduced +
8 cm80 mm <br />0.08 m <br /> (25 cm250 mm <br />0.25 m <br />) +
scabrous +  and strigose +
dry +  and fleshy +
pilose +  and glabrous +
scabridulous +
not viviparous +
compressed +
1 cm10 mm <br />0.01 m <br /> (2.8 cm28 mm <br />0.028 m <br />) +
1 +  and 3 +
simple +  and compound +
collar-like +
2 (?) +  and 3 (?) +
Melica subulata var. pammelii +  and Bromelica subulata +
Melica subulata +
species +
membranous +
0.55 cm5.5 mm <br />0.0055 m <br /> (1.15 cm11.5 mm <br />0.0115 m <br />) +
2mm +  and 3mm +
plant +  and cespitose +
aquatic +  and terrestrial +