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FNA | Family List | FNA Vol. 22 | Juncaceae | Juncus

9a. Juncus arcticus var. alaskanus (Hulten) S. L. Welsh, Anderson's Flora of Alaska and Adjacent Parts of Canada. 611. 1974.

Alaskan rush

Juncus arcticus subsp. alaskanus Hultén, Fl. Alaska Yukon 3: 418. 1943; J. arcticus subsp. sitchensis Engelmann; J. balticus Willdenow var. alaskanus (Hultén) A. E. Porsild; J. balticus var. haenkei (E. Meyer) Buchenau; J. balticus subsp. sitchensis (Engelmann) Hultén; J. haenkei E. Meyer

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.

Flowering spring--summer. Moist to dry places, wet meadows, stream banks; 0--2200 m; Greenland; B.C., Man., Nfld. and Labr. (Labr), N.W.T., Nunavut, Ont., Que., Yukon; Alaska; Asia..

Perhaps Juncus arcticus var. alaskanus is not distinct from the Eurasian J.uncus arcticus var. arcticus.


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