Oreostemma alpigenum var. andersonii

(A. Gray) G. L. Nesom

Phytologia 74: 312. 1993.

Common names: Anderson’s mountaincrown
Endemic
Basionym: Erigeron andersonii A. Gray Proc. Amer. Acad. Arts 6: 540. 1865
Synonyms: Aster alpigenus var. andersonii (A. Gray) M. Peck Oreostemma alpigenum subsp. andersonii (A. Gray) Semple
Treatment appears in FNA Volume 20. Treatment on page 360.
Revision as of 21:18, 29 July 2020 by imported>Volume Importer
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Plants (4–) 8–40 (–70) cm. Basal leaf-blades linear-oblanceolate to narrowly oblanceolate, (30–) 80–120 (–350) × (1–) 2–6 (–9) mm, apices acute. Cypselae strigillose. 2n = 18, 36.


Phenology: Flowering Jun–Sep.
Habitat: Bogs (sometimes with Darlingtonia), marshes, moist to wet meadows, lake edges, pine woods, alpine tundra
Elevation: (1200–)1500–3300(–3700) m

Discussion

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.

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 +
(A. Gray) G. L. Nesom +
12 cm120 mm <br />0.12 m <br /> (35 cm350 mm <br />0.35 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
8 cm80 mm <br />0.08 m <br /> (12 cm120 mm <br />0.12 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
decurrent +
Erigeron andersonii +
linear;oblanceolate +
rugulose +  and muricate +
Anderson’s mountaincrown +
not 2-lipped +  and actinomorphic +
yellowish +, blue +  and purple +
beaked +, 2-ribbed +  and 5-ribbed +
cylindric +
fertile +  and bisexual +
fertile +  and bisexual +
Calif. +, Nev. +  and Oreg. +
(1200–)1500–3300(–3700) m +
strigillose +, glabrous +, stipitate-glandular +  and villous +
oblanceolate;linear-elliptic +
subequal +
indurate +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Bogs (sometimes with Darlingtonia), marshes, moist to wet meadows, lake edges, pine woods, alpine tundra +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
oblanceolate +
densely 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 Jun–Sep. +
1-nerved +  and eglandular +
densely villous +  and glabrate +
bearing subulate enations +, hairy +  and bristly +
concave;usually flat;conic +
5 +  and 10 +
exalbuminous +
decumbent-ascending +  and erect +
densely villous +  and glabrate +
appendaged +  and truncate +
papillate +  and smooth +
Aster alpigenus var. andersonii +  and Oreostemma alpigenum subsp. andersonii +
Oreostemma alpigenum var. andersonii +
Oreostemma alpigenum +
variety +
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 />) +
40 cm400 mm <br />0.4 m <br /> (70 cm700 mm <br />0.7 m <br />) +