Difference between revisions of "Cyperus pallidicolor"
in R. McVaugh & W. R. Anderson, Fl. Novo-Galiciana 13: 324. 1993.
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| + | |special_status={{Treatment/ID/Special_status | ||
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|publication title=in R. McVaugh & W. R. Anderson, Fl. Novo-Galiciana | |publication title=in R. McVaugh & W. R. Anderson, Fl. Novo-Galiciana | ||
|publication year=1993 | |publication year=1993 | ||
| − | |special status= | + | |special status=Illustrated |
| − | |source xml=https:// | + | |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V23/V23_326.xml |
|genus=Cyperus | |genus=Cyperus | ||
|subgenus=Cyperus subg. Cyperus | |subgenus=Cyperus subg. Cyperus | ||
Revision as of 21:33, 27 May 2020
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.