Difference between revisions of "Cyperus cuspidatus"
in A. von Humboldt et al., Nov. Gen. Sp. 1: 204. 1816.
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|accepted_name=Cyperus cuspidatus | |accepted_name=Cyperus cuspidatus | ||
| − | |accepted_authority=Kunth | + | |accepted_authority=Kunth |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in A. von Humboldt et al., Nov. Gen. Sp. | |title=in A. von Humboldt et al., Nov. Gen. Sp. | ||
|place=1: 204. 1816 | |place=1: 204. 1816 | ||
|year=1816 | |year=1816 | ||
| + | }} | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
}} | }} | ||
|basionyms= | |basionyms= | ||
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name=Cyperus cuspidatus | name=Cyperus cuspidatus | ||
| − | + | |authority=Kunth | |
| − | |authority=Kunth | ||
|rank=species | |rank=species | ||
|parent rank=subgenus | |parent rank=subgenus | ||
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|publication title=in A. von Humboldt et al., Nov. Gen. Sp. | |publication title=in A. von Humboldt et al., Nov. Gen. Sp. | ||
|publication year=1816 | |publication year=1816 | ||
| − | |special status= | + | |special status=Illustrated |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V23/V23_248.xml |
|genus=Cyperus | |genus=Cyperus | ||
|subgenus=Cyperus subg. Pycnostachys | |subgenus=Cyperus subg. Pycnostachys | ||
Latest revision as of 21:39, 5 November 2020
Herbs, annual, cespitose. Culms 1–6(–25), trigonous to roundly trigonous, (0.5–)2–5(–9) cm × 0.2–0.4–(0.6) mm, glabrous. Leaves 1–6, V-shaped, 1–6 cm × 0.3–1 mm. Inflorescences: heads digitate, loosely ovoid, 3–18 × 3–26 mm; rays (0–)1–6(–8), 2.5–20(–30) mm; bracts 2–3(–5), horizontal to ascending at 45(–60)°, V-shaped, 2–60 × 0.3–1.2 mm. Spikelets (3–)10–20(–30), greenish to reddish brown, narrowly ellipsoid to oblong, 3–11 × (0.8–)1.2–1.5 mm; floral scales (3–)6–20(–28), laterally greenish to reddish brown, glossy, medially greenish to light reddish brown, strongly recurved, laterally ribless, medially strongly 3-ribbed, oblong-ovate, (0.8–)1–1.3 × 0.8–1(–1.2) mm, apex emarginate, cusp 0.6–1.2 mm. Flowers: stamens 2 or 3; anthers oblong-ovoid, 0.1(–0.2) mm; styles (0.2–)0.4–0.6 mm; stigmas 0.3–0.5 mm. Achenes brown, oblong-obovoid, (0.5–)0.6 × (0.3–)0.4 mm, base cuneate, apex blunt, surfaces coarsely papillose.
Phenology: Fruiting summer.
Habitat: Damp, disturbed soils
Elevation: 0–300 m
Distribution
Ala., Fla., Ga., S.C., Mexico, Central America, South America.
Discussion
Selected References
None.