Juncus arcticus var. alaskanus
Anderson's Flora of Alaska and Adjacent Parts of Canada 611. 1974.
Common names: Alaskan rush
Basionym: Juncus arcticus subsp. alaskanus Hultén Fl. Alaska Yukon 3: 418. 1943
Synonyms: Juncus arcticus subsp. sitchensis Engelmann Juncus balticus var. alaskanus (Hultén) A. E. Porsild Juncus balticus var. haenkei (E. Meyer) Buchenau Juncus balticus subsp. sitchensis (Engelmann) Hultén Juncus haenkei
Treatment appears in FNA Volume 22.
Herbs, 1–3 dm. Culms 0.7–1.2 mm diam. Leaves: blade absent. Inflorescences 3–8-flowered, slightly compact, 1–1.5 cm; primary bract 3–8 cm. Flowers: tepals shining chestnut-brown with lighter midstripe, lanceolate, 4–5 (–6) mm, apex acuminate; inner series shorter, margins clear, obtuse to acute; stamens 2 mm, filaments 1 mm, anthers 1 mm. Capsules dark tan, oblate, 3–4 mm diam., usually slightly exceeding perianth.
Phenology: Flowering spring–summer.
Habitat: Moist to dry places, wet meadows, stream banks
Elevation: 0–2200 m
Distribution
Greenland, B.C., Man., Nfld. and Labr. (Labr), N.W.T., Nunavut, Ont., Que., Yukon, Alaska, Asia
Discussion
Perhaps Juncus arcticus var. alaskanus is not distinct from the Eurasian J.uncus arcticus var. arcticus.
Selected References
None.
Lower Taxa
None.
... more about "Juncus arcticus var. alaskanus"
persistent +
1 cm10 mm <br />0.01 m <br /> (?) +
acuminate +
white +
not septate +
absent +
glabrous +
channeled;terete +
leaflike +
erect +
more2;1 +
terete +
absent +
membranous +
monochasial +
dark tan +
septicidal +
oblate +
equal +
several +
Alaskan rush +
0.7mm;1.2mm +
erect +
terete +
earlike +
1 cm10 mm <br />0.01 m <br /> (?) +
pedicellate +
symmetric +
single +
bisexual +
headlike +
loculicidal +
singly +
1;many +
3-8-flowered +
reduced +
lateral +
basal +
clear +
hairy +
involute +
scarious +
lighter +
superior +
green;brown or purplish black +
persistent +
basal +
exceeding +
Anderson's Flora of Alaska and Adjacent Parts of Canada +
1974 +
creeping +
dark amber +
many +
oblate;ellipsoid +
green;brown or purplish black +
persistent +
open +
overlapping +
fused +
Illustrated +
2 cm20 mm <br />0.02 m <br /> (?) +
generally longer +
translucent +
reduced +
Juncus arcticus var. alaskanus +
Juncus arcticus +
variety +
chestnut-brown +
shining +
lanceolate +
rhizomatous +
perennial +