Difference between revisions of "Trichophorum pumilum"
Vierteljahrsschr. Naturf. Ges. Zürich 66: 265. 1921.
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|name=Scirpus pumilus | |name=Scirpus pumilus | ||
|authority=Vahl | |authority=Vahl | ||
| + | |rank=species | ||
|publication_title=Enum. Pl. | |publication_title=Enum. Pl. | ||
|publication_place=2: 243. 1805 | |publication_place=2: 243. 1805 | ||
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|name=Baeothryon pumilum | |name=Baeothryon pumilum | ||
|authority=(Vahl) Á. Löve & D. Löve | |authority=(Vahl) Á. Löve & D. Löve | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Scirpus alpinus | |name=Scirpus alpinus | ||
|authority=Schleicher ex Gaudin | |authority=Schleicher ex Gaudin | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Scirpus emergens | |name=Scirpus emergens | ||
|authority=(Norman) Fernald | |authority=(Norman) Fernald | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Scirpus pumilus subsp. rollandii | |name=Scirpus pumilus subsp. rollandii | ||
|authority=(Fernald) Raymond | |authority=(Fernald) Raymond | ||
| + | |rank=subspecies | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Scirpus pumilus var. rollandii | |name=Scirpus pumilus var. rollandii | ||
|authority=(Fernald) Beetle | |authority=(Fernald) Beetle | ||
| + | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Scirpus rollandii | |name=Scirpus rollandii | ||
| − | |authority= | + | |authority= |
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Trichophorum emergens | |name=Trichophorum emergens | ||
| − | |authority= | + | |authority= |
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Trichophorum pumilum var. rollandii | |name=Trichophorum pumilum var. rollandii | ||
|authority=(Fernald) Hultén | |authority=(Fernald) Hultén | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Cyperaceae;Trichophorum;Trichophorum pumilum | |hierarchy=Cyperaceae;Trichophorum;Trichophorum pumilum | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Trichophorum pumilum | name=Trichophorum pumilum | ||
| − | |||
|authority=(Vahl) Schinz & Thellung | |authority=(Vahl) Schinz & Thellung | ||
|rank=species | |rank=species | ||
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|publication year=1921 | |publication year=1921 | ||
|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_39.xml |
|genus=Trichophorum | |genus=Trichophorum | ||
|species=Trichophorum pumilum | |species=Trichophorum pumilum | ||
Revision as of 20:07, 16 December 2019
Plants loosely cespitose; rhizomes long, slender. Culms grooved, terete, 5–14 cm, smooth. Leaves: basal sheaths brown; distal leaf sheaths truncate to concave at mouth; blades 2–8.4 × 0.4–0.5 mm, much shorter than culms at flowering and fruiting. Inflorescences: spikelets 3–6-flowered, 3–4.6 × 1.7–2.8 mm; bracts shorter than spikelets, 1.6–2.5 mm, apex mucronate. Spikelets: scales brown, apex obtuse. Flowers: perianth bristles absent; anthers 0.8–1.5 mm. Achenes compressed trigonous to plano-convex, (1.2–)1.4–1.9 × 0.8–1.2 mm.
Phenology: Fruiting summer (Jul–Aug).
Habitat: Moist to wet coniferous swamps, bogs, riverbanks, calciphile
Elevation: 20–1500 m [3500 m, Nepal]
Distribution
Alta., B.C., N.W.T., Que., Sask., Yukon, Alaska, Calif., Mont., Europe, c Asia.
Discussion
North American plants have been distinguished as Trichophorum pumilum var. rollandii (Fernald) Beetle; differences from the Eurasian plants are elusive. The chromosome number in Europe is 2n = 78.
Selected References
None.