Difference between revisions of "Isolepis pseudosetacea"
Cat. Pl. Espagne, 331. 1917.
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|place=331. 1917 | |place=331. 1917 | ||
|year=1917 | |year=1917 | ||
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| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
}} | }} | ||
|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
|name=Scirpus pseudosetaceus | |name=Scirpus pseudosetaceus | ||
|authority=Daveau | |authority=Daveau | ||
| + | |rank=species | ||
|publication_title=Bol. Soc. Brot. | |publication_title=Bol. Soc. Brot. | ||
|publication_place=9: 86. 1891 (as pseudo-setaceus) | |publication_place=9: 86. 1891 (as pseudo-setaceus) | ||
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|name=Isolepis molesta | |name=Isolepis molesta | ||
|authority=(M. C. Johnston) S. G. Smith | |authority=(M. C. Johnston) S. G. Smith | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Scirpus molestus | |name=Scirpus molestus | ||
|authority=M. C. Johnston | |authority=M. C. Johnston | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Cyperaceae;Isolepis;Isolepis pseudosetacea | |hierarchy=Cyperaceae;Isolepis;Isolepis pseudosetacea | ||
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name=Isolepis pseudosetacea | name=Isolepis pseudosetacea | ||
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|authority=(Daveau) Gandoger | |authority=(Daveau) Gandoger | ||
|rank=species | |rank=species | ||
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|publication title=Cat. Pl. Espagne, | |publication title=Cat. Pl. Espagne, | ||
|publication year=1917 | |publication year=1917 | ||
| − | |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_220.xml |
|genus=Isolepis | |genus=Isolepis | ||
|species=Isolepis pseudosetacea | |species=Isolepis pseudosetacea | ||
Latest revision as of 20:39, 5 November 2020
Plants annual; rhizomes absent. Culms 2–20 cm × 0.2–0.3 mm. Leaves: sheaths green to stramineous; distal blade mostly much longer than sheath, to 3 cm × 0.2 mm. Inflorescences: involucral bract 1, 3–10(–25) mm, rarely a second bract to 5 mm. Spikelets 2–8 × 1–1.5 mm; scales colorless, stramineous, or pale greenish, markedly gibbous, veinless or obscurely 3–7-veined, midrib keeled, finely reticulate at 40X, membranous, hyaline, apex rounded, mucronate, or awned; proximal scale to 1.5(–5) mm, awn to 3 mm; other scales 1–1.2 mm, apex, mucro 0.1 mm. Flowers: anthers 0.2 mm; styles 3-fid. Achenes often falling with and clasped by floral scales, whitish (or orange-brown when unripe), broadly ellipsoid to obovoid or outline subcircular, nearly equilaterally trigonous, faces convex, 0.7–0.9 × 0.5–0.6 mm, minutely papillose at 40X, papillae in many vertical rows or usually obscured by thick whitish surface layer.
Phenology: Fruiting spring–summer.
Habitat: Wet, freshwater, often drying, places in grasslands, open woods, limestone barrens, cultivated fields, waste places
Elevation: 0(–100) m
Distribution
Ala., Ark., Ga., La., Miss., Mo., Tex., s Europe, n Africa.
Discussion
Isolepis pseudosetacea is often mistaken for the very similar I. carinata, with which it sometimes grows but does not intergrade. It may easily be distinguished by the characters given in the key.
Selected References
None.