Carex vallicola


Amer. J. Sci. Arts, ser. 2, 32: 40. 1861.

Synonyms: Carex rusbyi Mackenzie Carex vallicola var. rusbyi (Mackenzie) F. J. Hermann
Treatment appears in FNA Volume 23. Treatment on page 290. Mentioned on page 286, 291.

Plants without conspicuous rhizomes. Culms 12–60 cm, 1–1.3 mm wide basally, 0.5–1 mm wide distally. Leaves: sheaths tight, green, fronts hyaline; ligules less than 2 mm, wider than long; widest leaf blades 1–3 mm wide, papillose adaxially. Inflorescences with 5–10 crowded spikes, 0.5–3 cm × 5–8 mm; proximal bracts to 1(–3) cm; spikes with 2–10 ascending perigynia. Pistillate scales hyaline or pale brown with green 1–3-veined center, ovate, 2.8–3.2 × 1.8–2.6 mm, body slightly shorter than to length of perigynium, apex acute to short-awned. Anthers 1.8–2.3 mm. Perigynia brown, abaxial face 7–15-veined proximally, otherwise veinless or obscurely veined, 3.3–4 × 1.8–2.3 mm, base of perigynium spongy, thickened and longitudinally striate adaxially, spongy region 0.7–1 mm, margins serrulate to subentire distally; beak 0.5–1 mm, apical teeth 0.1–0.3 mm. Stigmas straight or slightly twisted, 0.05 mm wide. Achenes ovate to circular, 1.6–2.7 × 1.5–2 mm.

Phenology: Fruiting spring–early summer.
Habitat: Dry to mesic hillsides, grasslands, thickets, open forests
Elevation: 500–3000 m


V23 493-distribution-map.jpg

B.C., Ariz., Calif., Colo., Idaho, Mont., Nev., N.Mex., Oreg., S.Dak., Utah, Wash., Wyo., Mexico (Hidalgo).


Selected References


Lower Taxa

... more about "Carex vallicola"
Peter W. Ball +
B.C. +, Ariz. +, Calif. +, Colo. +, Idaho +, Mont. +, Nev. +, N.Mex. +, Oreg. +, S.Dak. +, Utah +, Wash. +, Wyo. +  and Mexico (Hidalgo). +
500–3000 m +
Dry to mesic hillsides, grasslands, thickets, open forests +
Fruiting spring–early summer. +
Amer. J. Sci. Arts, ser. +
Illustrated +
Carex rusbyi +  and Carex vallicola var. rusbyi +
Carex vallicola +
Carex sect. Phaestoglochin +
species +