Difference between revisions of "Cyperus amabilis"
Enum. Pl. 2: 318. 1805.
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|place=2: 318. 1805 | |place=2: 318. 1805 | ||
|year=1805 | |year=1805 | ||
| + | }} | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
}} | }} | ||
|basionyms= | |basionyms= | ||
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|name=Cyperus amabilis var. macrostachyus | |name=Cyperus amabilis var. macrostachyus | ||
|authority=(Boeckeler) Kükenthal | |authority=(Boeckeler) Kükenthal | ||
| + | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Cyperus aurantiacus | |name=Cyperus aurantiacus | ||
|authority=Kunth | |authority=Kunth | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Cyperus aureus | |name=Cyperus aureus | ||
|authority=Vahl | |authority=Vahl | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Cyperus aureus var. aurantiacus | |name=Cyperus aureus var. aurantiacus | ||
|authority=(Kunth) Boeckeler | |authority=(Kunth) Boeckeler | ||
| + | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Cyperus aureus var. macrostachyus | |name=Cyperus aureus var. macrostachyus | ||
|authority=Boeckeler | |authority=Boeckeler | ||
| + | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Cyperus aureus var. oligostachyus | |name=Cyperus aureus var. oligostachyus | ||
|authority=(Kunth) Boeckeler | |authority=(Kunth) Boeckeler | ||
| + | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Cyperus microstachyus | |name=Cyperus microstachyus | ||
| − | |authority= | + | |authority= |
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Cyperus oligostachyus | |name=Cyperus oligostachyus | ||
| − | |authority= | + | |authority= |
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Cyperaceae;Cyperus;Cyperus subg. Pycnostachys;Cyperus amabilis | |hierarchy=Cyperaceae;Cyperus;Cyperus subg. Pycnostachys;Cyperus amabilis | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Cyperus amabilis | name=Cyperus amabilis | ||
| − | |||
|authority=Vahl | |authority=Vahl | ||
|rank=species | |rank=species | ||
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|publication title=Enum. Pl. | |publication title=Enum. Pl. | ||
|publication year=1805 | |publication year=1805 | ||
| − | |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_247.xml |
|genus=Cyperus | |genus=Cyperus | ||
|subgenus=Cyperus subg. Pycnostachys | |subgenus=Cyperus subg. Pycnostachys | ||
Latest revision as of 20:39, 5 November 2020
Herbs, annual, cespitose. Culms 1–10(–25), roundly trigonous, 3–12 cm × 0.3–0.8 mm, glabrous. Leaves 1–3–(4), 1–6 cm × 1(–1.5) mm. Inflorescences: if rays absent heads single, dense, sessile, digitate, 5–20 × 10–30 mm, single heads 10–30(–50) mm; rays usually absent, if present 1–8 cm; 2d order rays infrequently present, 1–2 cm; bracts 3–6, erect to oblique, flat to V-shaped,(0.5–)2–10(–15) cm × 0.5–2 mm. Spikelets 5–10(–20), linear to linear-lanceoloid, (5–)8–12(–35) × 1.6–2.3(–2.5) mm; floral scales (6–)16–30(–76), laterally glossy reddish brown to brown, medially greenish, sometimes also reddish or brownish, laterally ribless, medially strongly 3-ribbed, ovate-lanceolate, 1.9–2(–2.3) mm (including prominent excurved cusp of 0.3–0.5 mm) × 0.8–1.1 mm, apex truncate, emarginate, or cuspidate. Flowers: stamens (1–)2–3; anthers ellipsoid, 0.3 mm, connectives not prolonged; styles 0.3–0.4 mm; stigmas 0.4–0.7 mm. Achenes brown, slightly stipitate, obovoid to oblong, 0.8–0.9 × 0.4–0.5 mm, apex abruptly apiculate, surfaces papillose.
Phenology: Fruiting summer.
Habitat: Seasonally wet, sandy soils
Elevation: 500 m
Distribution
Ariz., Mexico, Central America, South America, Asia, Africa.
Discussion
Selected References
None.