Oreostemma peirsonii

(Sharsmith) G. L. Nesom

Phytologia 74: 314. 1993.

Common names: Peirson’s mountaincrown
Endemic
Basionym: Aster peirsonii Sharsmith Leafl. W. Bot. 5: 50. 1947
Treatment appears in FNA Volume 20. Treatment on page 361.
Revision as of 21:18, 29 July 2020 by imported>Volume Importer
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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.


Phenology: Flowering Jul–Sep.
Habitat: Rocky slopes, ridges, dry meadows
Elevation: 3000–3800 m

Discussion

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

Selected References

None.

Lower Taxa

None.

"[" is not declared as a valid unit of measurement for this property."]" is not declared as a valid unit of measurement for this property.

... more about "Oreostemma peirsonii"
not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
spiciform +, racemiform +, paniculiform +  and corymbiform +
indeterminate +  and determinate +
Guy L. Nesom +
(Sharsmith) G. L. Nesom +
decurrent +
Aster peirsonii +
linear;oblanceolate +
rugulose +  and muricate +
Peirson’s mountaincrown +
not 2-lipped +  and actinomorphic +
yellowish +, blue +  and purple +
beaked +, 2-ribbed +  and 5-ribbed +
cylindric +
fertile +  and bisexual +
fertile +  and bisexual +
3000–3800 m +
strigillose +, glabrous +, stipitate-glandular +  and villous +
oblanceolate;linear-elliptic +
subequal +
indurate +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Rocky slopes, ridges, dry meadows +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
sessile +  and petiolate +
short-stipitate-glandular +, sparsely villous +  and glabrate +
lanceolate +  and deltate +
oblanceolate +  and linear-elliptic +
subequal +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
2-carpellate +
persistent +
Flowering Jul–Sep. +
bearing subulate enations +, hairy +  and bristly +
concave;usually flat;conic +
5 +  and 10 +
exalbuminous +
decumbent-ascending +  and erect +
stipitate-glandular +  and tomentose +
appendaged +  and truncate +
papillate +  and smooth +
Compositae +
Oreostemma peirsonii +
Oreostemma +
species +
40 cm400 mm <br />0.4 m <br /> (70 cm700 mm <br />0.7 m <br />) +
2 cm20 mm <br />0.02 m <br /> (40 cm400 mm <br />0.4 m <br />) +