Hesperostipa comata subsp. intermedia

(Scribn. & Tweedy) Barkworth
Synonyms: Stipa comata var. intermedia
Treatment appears in FNA Volume 24. Treatment on page 158.

Lower cauline nodes usually exposed. Panicles usually fully exserted at maturity. Awns 65-130 mm, terminal segment 30-80 mm, straight. 2n =44-46.

Discussion

Hesperostipa comata subsp. intermedia is found in pinyon-juniper woodlands, at elevations of 2175-3075 m, in the Sierra Nevada and Rocky Mountains, from southern Canada to New Mexico. It resembles H. curtiseta, but differs in its evenly pubescent lemmas and its often lacerate ligules.

Selected References

None.

Lower Taxa

None.

"decumbent" is not a number."prolonged" is not a number.

membranous +  and scarious +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
prow-tipped +
awned +, bifid +, bilobed +  and entire +
not sharp +  and acute +
indurate +
Mary E. Barkworth +
(Scribn. & Tweedy) Barkworth +
twisted +  and not branched +
1 (?) +  and 3 (?) +
subterminal +  and eccentric +
scabrous +  and pilose +
6.5 cm65 mm <br />0.065 m <br /> (13 cm130 mm <br />0.13 m <br />) +
keeled +  and rounded +
pseudopetiolate +  and branching +
intravaginal +, extravaginal +, branching +  and basal +
swelling +
4 cm40 mm <br />0.04 m <br /> (40 cm400 mm <br />0.4 m <br />) +
not evident +
cross +, linear +  and narrowly lanceolate +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
spikelike +
well-developed +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
not branching +
perennial +  and annual +
12 cm120 mm <br />0.12 m <br /> (110 cm1,100 mm <br />1.1 m <br />) +
not woody +
Wash. +, Wis. +, Wyo. +, N.Mex. +, Tex. +, Ill. +, Ind. +, Kans. +, N.Dak. +, N.Y. +, Okla. +, R.I. +, S.Dak. +, Nev. +, Colo. +, Calif. +, Nebr. +, Mont. +, Oreg. +, Iowa +, Ariz. +, Idaho +, Utah +, Minn. +, Mich. +, Alta. +, B.C. +, Man. +, Ont. +, Sask. +  and Yukon +
0 +  and 1/3 +
liquid +, soft +  and hard +
capillary +
pistillate +  and staminate +
sometimes longer +
cylindrical +
7mm +  and 13mm +
15mm +  and 60mm +
subtending +
tapering +
1.6 cm16 mm <br />0.016 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
membranous +
2mm +  and 4mm +
uncinate +
1 cm10 mm <br />0.01 m <br /> (1 cm10 mm <br />0.01 m <br />) +
solid +  and hollow +
basally concentrated +  and evenly distributed +
0.1 cm1 mm <br />0.001 m <br /> (0.65 cm6.5 mm <br />0.0065 m <br />) +
ovate +, rectangular +  and lanceolate +
membranous +
inconspicuous +
lanceolate +
fleshy +  and membranous +
1.8 cm18 mm <br />0.018 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
pubescent +  and glabrous +
pubescent +  and glabrous +
concealed +  and prominent +
2 +  and 1 +
pubescent +  and glabrous +
well-developed +
reduced +
coriaceous +
10 cm100 mm <br />0.1 m <br /> (32 cm320 mm <br />0.32 m <br />) +
dry +  and fleshy +
not prolonged +
1 +  and 60 +
unisexual +  and bisexual +
laterally compressed +  and terete +
1.5 cm15 mm <br />0.015 m <br /> (6 cm60 mm <br />0.06 m <br />) +
1 +  and 3 +
simple +  and compound +
2 (?) +  and 3 (?) +
Stipa comata var. intermedia +
Hesperostipa comata subsp. intermedia +
Hesperostipa comata +
subspecies +
membranous +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
inconspicuous +
plant +  and cespitose +
aquatic +  and terrestrial +