Difference between revisions of "Cyperus microiria"
Syn. Pl. Glumac. 2: 23. 1855.
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|name=Cyperus iria var. microiria | |name=Cyperus iria var. microiria | ||
|authority=(Steudel) Franchet & Savatier | |authority=(Steudel) Franchet & Savatier | ||
| + | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Cyperus iria var. parviflorus | |name=Cyperus iria var. parviflorus | ||
|authority=(Nees) Miquel | |authority=(Nees) Miquel | ||
| + | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Cyperus iria var. rectangularis | |name=Cyperus iria var. rectangularis | ||
|authority=Kükenthal | |authority=Kükenthal | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Cyperaceae;Cyperus;Cyperus subg. Cyperus;Cyperus microiria | |hierarchy=Cyperaceae;Cyperus;Cyperus subg. Cyperus;Cyperus microiria | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Cyperus microiria | name=Cyperus microiria | ||
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|authority=Steudel | |authority=Steudel | ||
|rank=species | |rank=species | ||
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|publication year=1855 | |publication year=1855 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V23/V23_268.xml |
|genus=Cyperus | |genus=Cyperus | ||
|subgenus=Cyperus subg. Cyperus | |subgenus=Cyperus subg. Cyperus | ||
Revision as of 20:06, 16 December 2019
Herbs, annual, cespitose. Culms trigonous, (5–)20–60 cm × (0.2–)0.6–2.4 mm, glabrous. Leaves (1–)3–4, V-shaped, 15–40 cm × 3–6 mm. Inflorescences: spikes 2–5(–8), oblong to ovoid, 2–10 cm × 3–12 mm; rays 4–8, to 11 cm; bracts (4–)5(–7), ascending at 45°, V-shaped, (1.5–)8–30(–50) cm × 1–6 mm; rachilla persistent, wingless (successive floral scales 1.1–1.5 mm apart). Spikelets 10–30, spreading, compressed, linear, 4–20 × 1.5–2.1 mm; floral scales deciduous, (2–)6–26, laterally brown to golden brown, edges clear, medially green, 5-ribbed, outermost ribs more noticeable than others, obovate to nearly orbiculate, 1.3–1.8 × 1.2–1.8 mm, margins emarginate, apex mucronulate, mucro 0.2–0.25 mm. Flowers: stamens 2(–3); anthers (0.2–)0.3–0.4 mm, tips of connectives reddish, less than 0.1 mm; styles less than 0.1 mm; stigmas 0.2–0.4(–0.5) mm. Achenes brown, slightly stipitate, obovoid, 1.2–1.4(–1.5) × 0.5–0.7 mm, apex apiculate, surfaces puncticulate.
Phenology: Fruiting summer.
Habitat: Disturbed soils
Elevation: 0–100 m
Distribution
Conn., Ky., Mass., N.J., N.Y., Ohio, Pa., e Asia.
Discussion
The name Cyperus amuricus Maximowicz has been misapplied to C. microiria by some American authors (e.g., M. V. McGivney 1938).
Selected References
None.