Oreostemma alpigenum

(Torrey & A. Gray) Greene

Pittonia 4: 224. 1900.

IllustratedEndemic
Basionym: Haplopappus alpigenus Torrey & A. Gray Fl. N. Amer. 2: 241. 1842 (as Aplopappus)
Synonyms: Aster alpigenus (Torrey & A. Gray) A. Gray
Treatment appears in FNA Volume 20. Treatment on page 360.

Plants 4–40 cm; stems, leaves, and phyllaries densely villous to glabrate, eglandular (at least some hairs always perceptible on distal stems and on proximal portions of phyllaries). Leaf-blades oblanceolate. Phyllaries 1-nerved, herbaceous or slightly tawny-indurate proximally; outer 0.8–1.2 mm wide proximally.

Distribution

V20-832-distribution-map.gif

Calif., Idaho, Nev., Oreg., Wash., Wyo.

Discussion

Varieties 3 (3 in the flora).

Selected References

None.

Key

1 Plants 5–18(–30) cm; basal leaf blades oblanceolate (30–)60–100(–150) × 6–12 mm, apices obtuse to rounded Oreostemma alpigenum var. alpigenum
1 Plants 8–40 or 4–15 cm; basal leaf blades linear-oblanceolate to narrowly oblanceolate, 30–120(–350) × (1–)2–6(–9) mm, apices acute > 2
2 Plants (4–)8–40(–70) cm; basal leaf blades (30–)80–120(–350) × (1–)2–6(–9) mm; cypselae strigillose Oreostemma alpigenum var. andersonii
2 Plants 4–15 cm; basal leaf blades (30–)40–90(–120) × (1–)2–4(–6) mm; cypselae strigillose only distally Oreostemma alpigenum var. haydenii

"[" 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 alpigenum"
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 +
(Torrey & A. Gray) Greene +
decurrent +
Haplopappus alpigenus +
linear;oblanceolate +
rugulose +  and muricate +
not 2-lipped +  and actinomorphic +
yellowish +, blue +  and purple +
beaked +, 2-ribbed +  and 5-ribbed +
cylindric +
fertile +  and bisexual +
fertile +  and bisexual +
Calif. +, Idaho +, Nev. +, Oreg. +, Wash. +  and Wyo. +
strigillose +, glabrous +, stipitate-glandular +  and villous +
oblanceolate;linear-elliptic +
subequal +
indurate +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
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 +
1-nerved +  and eglandular +
densely villous +  and glabrate +
bearing subulate enations +, hairy +  and bristly +
concave;usually flat;conic +
5 +  and 10 +
exalbuminous +
Illustrated +  and Endemic +
decumbent-ascending +  and erect +
densely villous +  and glabrate +
appendaged +  and truncate +
papillate +  and smooth +
Aster alpigenus +
Oreostemma alpigenum +
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 />) +