Carex idahoa

L. H. Bailey

Bot. Gaz. 21: 5. 1896.

IllustratedEndemicConservation concern
Synonyms: Carex parryana subsp. idahoa (L. H. Bailey) D. F. Murray Carex parryana var. statonii M. E. Jones
Treatment appears in FNA Volume 23. Mentioned on page 409.

Plants loosely cespitose. Culms 25–40 cm, distally scabrous. Leaves 2–5 mm wide. Inflorescences: proximal bracts shorter than inflorescences; spikes erect, separate, short-pendunculate, short-oblong or elongate, 10–25 × 5–7 mm; lateral 1–3 spikes pistillate or absent, scarcely longer than 1/2 the length of terminal spike; terminal spike gynecandrous, pistillate, or, infrequently, staminate. Pistillate scales brown or almost black, margins narrow-hyaline, lanceolate, as long as, usually longer and as wide as perigynia, midvein lighter colored than body, conspicuous, frequently raised, prominent, distally scabrous, apex acute to mucronate. Perigynia ascending, pale-yellow or brown, veinless to few-veined, elliptic to obovate, 2–3 × 1.5–1.75 mm, distal margins serrulate, apex abruptly beaked, smooth; beak 0.2–0.3 mm, truncate or shallowly bidentate, serrulate. Achenes nearly filling body of perigynia.


Phenology: Fruiting Jun–Sep.
Habitat: Riparian moist meadows
Elevation: 2000–2600 m

Distribution

V23 737-distribution-map.jpg

Calif., Idaho, Mont., Oreg., Utah.

Discussion

Of conservation concern.

Selected References

None.

Lower Taxa

None.
... more about "Carex idahoa"
trigonous +
smaller +
papillose +  and smooth +
David F. Murray +
L. H. Bailey +
shortened +
cuneate +  and more or less rounded +
bidentate +  and truncate +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.03 cm0.3 mm <br />3.0e-4 m <br />) +
v--shaped +
0mm;20mm +
glumaceous +  and foliaceous +
2-ranked +  and arranged +
ascending +  and appressed +
scale-like +  and leaflike +
parallel +  and divergent +
terete +, rolled +  and plicate +
papillose +  and smooth +
red +  and purple +
round +  and trigonous +
25 cm250 mm <br />0.25 m <br /> (40 cm400 mm <br />0.4 m <br />) +
Calif. +, Idaho +, Mont. +, Oreg. +  and Utah. +
2000–2600 m +
hypogynous +  and subtending +
biconvex +  and trigonous +
Riparian moist meadows +
prophyllate +, pedunculate +  and pistillate +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
basal +  and cauline +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
narrow-hyaline +
lanceolate +
lighter colored +
prominent +, raised +  and conspicuous +
with (1-)3-6(-30) bristles and/or scales +
veinless +  and few-veined +
brown +  and pale-yellow +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.175 cm1.75 mm <br />0.00175 m <br />) +
Fruiting Jun–Sep. +
2-3(-4)-carpellate +
3 (?) +  and 1 (?) +
scale-like;,;thread-like +
ladder-fibrillose +  and veined +
purple +, tinged red +  and dotted +
black without yellowbrown +  and brown +
adventitious +
black +  and brown +
basal +  and proximal +
2-keeled +
cylindric +
Illustrated +, Endemic +  and Conservation concern +
pistillate +  and short-pendunculate +
1 cm10 mm <br />0.01 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
elongate;short-oblong +
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
1 (?) +  and 3 (?) +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
2 +  and 3 +
papillate +
deciduous +
2-3(-4)-fid +
Carex parryana subsp. idahoa +  and Carex parryana var. statonii +
Carex idahoa +
Carex sect. Racemosae +
species +
staminate +  and pistillate +
stoloniferous +, rhizomatous +  and long +
plant +  and cespitose +