Difference between revisions of "Cyperus lanceolatus"
in J. Lamarck et al., Encycl. 7: 245. 1806.
FNA>Volume Importer |
FNA>Volume Importer |
||
| Line 58: | Line 58: | ||
|publication year=1806 | |publication year=1806 | ||
|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/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V23/V23_258.xml |
|genus=Cyperus | |genus=Cyperus | ||
|subgenus=Cyperus subg. Pycreus | |subgenus=Cyperus subg. Pycreus | ||
Revision as of 19:07, 24 September 2019
Herbs, perennial, cespitose, rhizomatous. Culms trigonous, compressed, 15–75 cm × 0.5–3 mm, glabrous. Leaves 1–3, 5–30 cm × 1–2 mm. Inflorescences: spikes 1(–2), ovoid, 5–23 × 9–21 mm; rays 2–3(–4), 0–15 mm; if rays absent, head single, compact, sessile, (12–)15–20 mm diam.; bracts 2–3, horizontal to vertical, 2–14 cm × 0.5–3.5 mm. Spikelets 1–6, oblong-lanceoloid, 5–26 × 2–3 mm; floral scales 12–54, closely imbricate, laterally yellowish brown, medially pale brown, occasionally greenish, laterally 1-ribbed, medially 3-ribbed, distinctly 2-keeled basally, ovate, 1.8–2.6 × 1.4–1.7 mm, apex obtuse. Flowers: stamens 2; anthers 0.4–0.5 mm, connectives not prolonged; styles 0.3–1 mm; stigmas 0.6–0.8(–1) mm. Achenes brown, network of ridges forming isodiametric or square cells, stipitate, obovoid to ellipsoid, 1.1–1.3 × (0.5–)0.6 mm, apex acute to broadly rounded, surfaces minutely punctate or finely papillose.
Phenology: Fruiting summer.
Habitat: Marshes
Elevation: 0–100 m
Distribution
Ala., Fla., Ga., La., Tex., Mexico, Central America, South America, Africa.
Discussion
Selected References
None.