Pyrrocoma uniflora var. gossypina

(Greene) Kartesz & Gandhi

Phytologia 71: 61. 1991.

Basionym: Pyrrocoma gossypina Greene
Synonyms: Haplopappus uniflorus subsp. gossypinus (Greene) H. M. Hall
Treatment appears in FNA Volume 20. Treatment on page 424. Mentioned on page 423.
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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.