familyAsteraceae
genusAntennaria
speciesAntennaria monocephala
subspeciesAntennaria monocephala subsp. angustata
Antennaria monocephala subsp. angustata
Ark. Bot., n. s. 7: 135. 1968.
Common names: Narrow-leaved pygmy pussytoes antennaire étroite
Endemic
Basionym: Antennaria angustata Greene Pittonia 3: 284. 1898
Synonyms: Antennaria alpina var. megacephala (Fernald ex Raup) S. L. Welsh Antennaria burwellensis Malte Antennaria congesta Malte Antennaria fernaldiana Polunin Antennaria hudsonica Malte Antennaria megacephala Fernald ex Raup Antennaria pygmaea Fernald Antennaria tansleyi Polunin Antennaria tweedsmuirii Polunin
Treatment appears in FNA Volume 19. Mentioned on page 390, 412.
Gynoecious (staminate plants unknown). Stems usually stipitate-glandular. Basal leaves spatulate to oblanceolate, faces usually gray-pubescent, adaxial sometimes green-glabrescent. 2n = 56, 60?, 70.
Phenology: Flowering summer.
Habitat: Moist tundra, disturbed margins of solifluction lobes, unstable, gravelly slopes
Elevation: 0–2900 m
Distribution
Greenland, Alta., B.C., Nfld. and Labr. (Labr.), N.W.T., Nunavut, Que., Yukon, Alaska, Mont., Wyo.
Discussion
Subspecies angustata is apomictic and has a wider geographic range than the amphimictic subsp. monocephala. It is easily recognized by heads borne singly, dark phyllaries, and gynoecious population structure.
Selected References
None.
Lower Taxa
None.