Pyrrocoma uniflora var. gossypina
Phytologia 71: 61. 1991.
Basionym: Pyrrocoma gossypina Greene Pittonia 3: 23. 1896
Synonyms: Haplopappus uniflorus subsp. gossypinus (Greene) H. M. Hall
Revision as of 20:32, 16 December 2019 by FNA>Volume Importer
Plants 10–30 cm. Stems pale or reddish, tufted-tomentose, glabrescent. Leaves: basal blades lanceolate, 20–80 × 10–20 mm, margins entire to rigidly dentate; faces tufted-tomentose. Heads 1–5, usually in racemiform arrays, pedunculate, sometimes borne singly, terminal. Involucres 10–13 × 18–20 mm. Phyllaries loosely appressed, unequal.
Phenology: Flowering Jul–Sep.
Habitat: Dry or moist alkaline meadows, open pine forests
Elevation: 1600–2300 m
Discussion
Of conservation concern.
Variety gossypina is known only from the San Bernardino Mountains, southern California. It is recognized by its tufted-tomentose pubescence, long involucres, unequal phyllaries, and geographic isolation.
Selected References
None.
Lower Taxa
None.