Difference between revisions of "Carex helleri"
Erythea 8: 70, fig. 38. 1922.
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|place=8: 70, fig. 38. 1922 | |place=8: 70, fig. 38. 1922 | ||
|year=1922 | |year=1922 | ||
| + | }} | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
}} | }} | ||
|basionyms= | |basionyms= | ||
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|name=Carex atrata var. nigra | |name=Carex atrata var. nigra | ||
|authority=W. Boott | |authority=W. Boott | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Cyperaceae;Carex;Carex sect. Racemosae;Carex helleri | |hierarchy=Cyperaceae;Carex;Carex sect. Racemosae;Carex helleri | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Carex helleri | name=Carex helleri | ||
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|authority=Mackenzie | |authority=Mackenzie | ||
|rank=species | |rank=species | ||
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|publication title=Erythea | |publication title=Erythea | ||
|publication year=1922 | |publication year=1922 | ||
| − | |special status= | + | |special status=Illustrated;Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V23/V23_743.xml |
|genus=Carex | |genus=Carex | ||
|section=Carex sect. Racemosae | |section=Carex sect. Racemosae | ||
Latest revision as of 20:42, 5 November 2020
Plants densely cespitose. Culms 5–30 cm, proximally scabrous. Leaves 2–3 mm wide. Inflorescences: proximal bracts shorter than or exceeding inflorescences; spikes overlapping, erect, elongate, sessile or short-pendunculate, contiguous, forming dense terminal cluster or separate, 10–20 × 5–7 mm; lateral 2–3 spikes pistillate; terminal spike gynecandrous. Pistillate scales dark brown or black to margins, lanceolate, 1–2 times as long as and narrower than perigynia, midvein lighter colored than body, conspicuous, frequently raised, prominent, apex acute or acuminate, mucronate. Perigynia ascending, dark brown or purple-black with green or yellowish brown margins, veinless, elliptic or obovate, 2.5–3 × 2–3 mm, apex gradually or abruptly beaked, distal margins smooth; beak 0.25–0.3 mm, bidentate, smooth. Achenes filling proximal 1/2 or less of perigynia.
Phenology: Fruiting Jul–Aug.
Habitat: Rocky slopes
Elevation: 2900–3800 m
Discussion
Selected References
None.