Carex filifolia var. erostrata
in H. G. A. Engler, Pflanzenr. 20[IV,38]: 86. 1909.
IllustratedEndemic
Synonyms: Carex exserta Mackenzie
Culms round to round-trigonous, 5–26 cm. Leaf blades 6–25 cm, 0.3–0.5 mm wide near base. Spike 7–20 × 3.5–6 mm, staminate portion 4–12 mm. Longest pistillate scales 2.2–3.3(–4) × 1.8–2.5(–4) mm, often shorter than perigynia. Perigynia obovate or elliptic, (1.9–)2.1–2.6(–3) × 1.3–1.7(–1.9) mm, sometimes ruptured by achene; beak 0–0.2(–0.3) mm. Achenes 1.5–2.3 × (1.1–)1.3–1.5 mm.
Phenology: Fruiting spring–summer.
Habitat: Meadows, treeless stony plains
Elevation: 1500–3800 m
Distribution
Calif., Nev., Oreg.
Discussion
Selected References
None.
Lower Taxa
None.