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FNA | Family List | FNA Vol. 23 | Cyperaceae | Carex

229. Carex paysonis Clokey, Amer. J. Sci. 203: 89, plate 2, figs. 7–12. 1922.

Carex podocarpa R. Brown var. paysonis (Clokey) B. Boivin

Culms 15–50 cm. Leaves basal; proximal leaves with blades 3–6 mm wide. Inflorescences: spikes separate, elongate, 5–25 × 4–6 mm; proximal spike often pendent, long-pedunculate; lateral spikes 2–4; distal spikes erect, short-pedunculate. Pistillate scales light brown or reddish black, margins occasionally hyaline, midvein not or, occasionally, prominent, same color as body, inconspicuous or lighter colored, and conspicuous, lanceolate, apex acute or short-mucronate, shorter or longer than and narrower than perigynia. Perigynia proximally pale yellow, distally purple-black, veined, broadly ovate or obovate to circular, 3.5–4 × 1.5–1.75 mm, smooth; beak 0.3–0.5 mm, smooth.

Fruiting May–Sep. Subalpine and alpine meadows; 2100–3500 m; Alta., B.C.; Idaho, Mont., Oreg., Utah, Wyo.

Some specimens of Carex paysonis in Glacier County, Montana, show transitions to C. spectabilis. The names C. podocarpa and C. tolmiei have been misapplied to specimens of C. paysonis.


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