Difference between revisions of "Carex glareosa subsp. glareosa"
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{{Treatment/ID | {{Treatment/ID | ||
|accepted_name=Carex glareosa subsp. glareosa | |accepted_name=Carex glareosa subsp. glareosa | ||
| − | |accepted_authority= | + | |accepted_authority= |
|publications= | |publications= | ||
|common_names=Carex des graviers | |common_names=Carex des graviers | ||
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|name=Carex amphigena | |name=Carex amphigena | ||
|authority=(Fernald) Mackenzie | |authority=(Fernald) Mackenzie | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Carex cryptantha | |name=Carex cryptantha | ||
|authority=T. Holm | |authority=T. Holm | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Carex glareosa var. amphigena | |name=Carex glareosa var. amphigena | ||
|authority=Fernald | |authority=Fernald | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Cyperaceae;Carex;Carex sect. Glareosae;Carex glareosa;Carex glareosa subsp. glareosa | |hierarchy=Cyperaceae;Carex;Carex sect. Glareosae;Carex glareosa;Carex glareosa subsp. glareosa | ||
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name=Carex glareosa subsp. glareosa | name=Carex glareosa subsp. glareosa | ||
| − | + | |authority= | |
| − | |authority= | ||
|rank=subspecies | |rank=subspecies | ||
|parent rank=species | |parent rank=species | ||
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|publication year= | |publication year= | ||
|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_551.xml |
|genus=Carex | |genus=Carex | ||
|section=Carex sect. Glareosae | |section=Carex sect. Glareosae | ||
Revision as of 21:09, 16 December 2019
Culms often curved, weak, 10–25 cm. Leaves ± gray-green, often channeled, rarely flat, 1–2 mm wide. Inflorescences 7–25 × 5–12 mm. Pistillate scales 2–3 mm, rarely enveloping perigynia. Perigynia lightly or obscurely several-veined on faces, 1.5–3.5 × 1–1.5 mm.
Phenology: Fruiting Jun–Aug.
Habitat: Salt marshes, gravelly seashores
Elevation: 0–100 m
Distribution
Greenland, B.C., Man., N.B., Nfld. and Labr., N.W.T., Nunavut, Ont., P.E.I., Que., Yukon, Alaska, Europe.
Discussion
G. Halliday and A. O. Chater (1969) recognized two well-defined varieties in the subspecies: var. glareosa and var. amphigena. Variety amphigena, which is the overwhelmingly dominating type in North America, has pale brown to whitish, broadly elliptic-obovate perigynia (1.5–2.5 × 1.3–1.5 mm) contracting abruptly into a minute beak. Variety glareosa often has lanceolate, light brown to whitish, and sometimes distinctly ribbed perigynia more than 2.6 times as long as wide and 2.5–3.5 × 1–1.5 mm in size. According to G. Halliday and A. O. Chater (1969), it is an amphi-Atlantic plant. It occurs in Greenland and a few places in eastern Canada, and it is relatively common in Fennoscandia (Finland and Scandinavia) and northwestern Russia. In many places it grades to the var. amphigena.
Selected References
None.