Carex tumulicola


Bull. Torrey Bot. Club 34: 154. 1907.

Treatment appears in FNA Volume 23. Treatment on page 291. Mentioned on page 287.

Plants with short, stout rhizomes. Culms 20–80 cm, 1–1.6 mm wide basally, 0.5–0.8 mm wide distally. Leaves: sheaths tight, green, fronts hyaline; ligules less than 2 mm, wider than long; widest leaf blades 1.5–2.5 mm wide, papillose adaxially. Inflorescences with 3–10 spikes, 1.5–5 cm × 5–8 mm; proximal internodes slightly shorter than to 2 times as long as proximal spikes; proximal bracts 1–5 cm; spikes with to 10 erect perigynia. Pistillate scales brown with green midvein, ovate, 3.3–5.2 × 2–2.8 mm, body as long as and wider than perigynium, apex awned, awn less than 1 mm. Anthers 1.9–2.4 mm. Perigynia pale green to pale brown, veinless or veined, 3.5–5 × 1.5–2 mm, base slightly spongy, thickened, margins serrulate distally; beak 1–3 mm, apical teeth 0.3–0.6 mm. Styles straight, 0.05 mm wide. Achenes elliptic-circular, 2–2.4 × 1.4–1.7 mm.

Phenology: Fruiting late spring–early summer.
Habitat: Grasslands, forest openings
Elevation: 30–1200 m


V23 496-distribution-map.jpg

B.C., Calif., Oreg., Wash.


Selected References


Lower Taxa