Antennaria friesiana subsp. alaskana

(Malte) Hultén

Ark. Bot., n. s. 7: 134. 1968. 1968

Common names: Alaskan pussytoes
Endemic
Basionyms: 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.

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 +