Flora of North America species comparison

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Oreostemma peirsonii

Peirson's aster, Peirson's mountaincrown
Habit Plants 2–7 cm; stems, phyllaries, and often leaves sparsely villous to glabrate, densely short-stipitate-glandular.
Leaf

blades linear.
Phyllaries

1-nerved, herbaceous or slightly tawny-indurate proximally;

outer 0.8–1.2 mm wide proximally.

Oreostemma peirsonii
Phenology Flowering Jul–Sep.
Habitat Rocky slopes, ridges, dry meadows
Elevation 3000–3800 m (9800–12500 ft)
Distribution
from FNA
CA
[BONAP county map]
Discussion

Oreostemma peirsonii is known from the Sierra Nevada near the junction of Fresno, Tulare, and Inyo counties.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 20, p. 361.
Parent taxa Asteraceae > tribe Astereae > Oreostemma
Sibling taxa
O. alpigenum, O. elatum
Synonyms Aster peirsonii
Name authority (Sharsmith) G. L. Nesom: Phytologia 74: 314. (1993)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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