Cyperus pallidicolor
in R. McVaugh & W. R. Anderson, Fl. Novo-Galiciana 13: 324. 1993.
Herbs, perennial, cespitose, rhizomatous. Culms trigonous, (10–) 30–50 (–80) cm × (0.8–) 1–2 mm, glabrous or occasionally minutely scabridulous on distal angles. Leaves 3–7, M or V-shaped, (10–) 25–40 (–55) cm × 2–5 mm, margins and midribs scabridulous or glabrous. Inflorescences: spikes 3–6 (–12), grayish to golden brown, loosely cylindric, (6–) 10–20 (–24) cm × (5–) 8–11 mm; rays 0 or 1–3, to 4 cm; rachis glabrous; bracts (3–) 4–6 (–8), horizontal to strongly reflexed, inversely W-shaped, (3–) 10–20 (–30) cm × 1–5 mm; rachilla deciduous, wings persistent, 0.3–0.5 mm wide. Spikelets (10–) 25–60 (–100), spaced 1–2 (–3) mm apart, broadly ellipsoid to oblong, ± terete, 2.4–3.6 × 0.8–1.2 mm; distal spikelet spreading or ascending; floral scales persistent, 1–2 (–4), appressed, laterally golden brown to dull grayish white, frequently streaked with red, medially greenish, laterally 3–4-ribbed, medially 3-ribbed, oblong, 2.6–3.3 × 1.8–2.4 mm, apex broadly rounded. Flowers: anthers 0.6–0.8 mm; styles 0.8–1.2 (–1.4) mm; stigmas 1.4–2 mm. Achenes reddish-brown to dark-brown, stipitate, ellipsoid, (1.6–) 1.8–2 (–2.2) × (0.6–) 0.7–0.9 mm, base cuneate to ± attenuate, apex ± acute to broadly rounded, surfaces finely papillose to essentially glabrous.
Phenology: Fruiting summer.
Habitat: Clearings in montane forests
Elevation: 800–1200 m
Distribution
Ariz., N.Mex., Mexico, Central America, South America
Discussion
Selected References
None.
Lower Taxa
"shortened" is not a number.