Antennaria friesiana subsp. alaskana

(Malte) Hultén

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
Treatment appears in FNA Volume 19. Treatment on page 413. Mentioned on page 390, 414, 415.
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

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.
Randall J. Bayer +
(Malte) Hultén +
Antennaria alaskana +
Alaskan pussytoes +
N.W.T. +, Yukon +  and Alaska. +
500–1500 m +
Arctic and alpine tundra, on or near dry rocky outcrops or sand ridges +
Flowering summer. +
Ark. Bot., n. s. +
Antennaria friesiana var. beringensis +
Antennaria friesiana subsp. alaskana +
Antennaria friesiana +
subspecies +