familyAsteraceae
genusAntennaria
speciesAntennaria friesiana
subspeciesAntennaria friesiana subsp. alaskana
Antennaria friesiana subsp. alaskana
Ark. Bot., n. s. 7: 134. 1968.
Common names: Alaskan pussytoes
Endemic
Basionym: Antennaria alaskana Malte Rhodora 36: 107. 1934
Synonyms: Antennaria friesiana var. beringensis Hultén
Revision as of 20:39, 27 May 2020 by imported>Volume Importer
Dioecious (staminates and pistillates in equal frequencies in populations). Plants 7.5–14 cm. Stolons 0.5–1 cm. Cauline leaves 4–20 mm. Heads 2–6. Involucres: staminate 4–6.5 mm; pistillate 5.5–7 mm. Corollas: staminate 2.5–3 mm; pistillate 3–4.5 mm. Cypselae 1.2–1.8 mm; pappi: staminate 3–4 mm; pistillate 3.5–5 mm. 2n = 28, 56.
Phenology: Flowering summer.
Habitat: Arctic and alpine tundra, on or near dry rocky outcrops or sand ridges
Elevation: 500–1500 m
Distribution
N.W.T., Yukon, Alaska.
Discussion
Subspecies alaskana is dioecious (sexual) and known from Alaska and cordilleran areas of northern Yukon and adjacent Northwest Territories (R. J. Bayer 1991, 1993). It is a probable progenitor of the Antennaria alpina complex.
Selected References
None.
Lower Taxa
None.