Oreostemma alpigenum var. haydenii
Phytologia 74: 313. 1993.
Common names: Hayden’s mountaincrown
IllustratedEndemic
Basionym: Aster haydenii Porter in F. V. Hayden, Prelim. Rep. U.S. Geol. Surv. Montana, 485. 1872
Synonyms: Aster alpigenus var. haydenii (Porter) Cronquist Oreostemma alpigenum subsp. haydenii (Porter) Semple Oreostemma haydenii
Treatment appears in FNA Volume 20. Treatment on page 360.
Stems 4–10 (–15) cm. Basal leaf-blades linear-oblanceolate to narrowly oblanceolate, (30–) 40–90 (–120) × (1–) 2–4 (–6) mm, apices acute. Cypselae strigose only distally.
Phenology: Flowering (Jun–)Jul–Sep.
Habitat: Rocky slopes, talus, ridges, usually in alpine tundra, sometimes in clearings in pine-fir or pine-spruce woods, sometimes around lake edges or near snow banks, usually in drier sites
Elevation: 2600–3300 m
Distribution
Idaho, Nev., Oreg., Wyo.
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.
... more about "Oreostemma alpigenum var. haydenii"
introrse +
connate +
distinct +
herbaceous +
acute +
scarious +
hirsute +
papillate +
continuous +
decurrent +
3-nerved +
linear;oblanceolate +
ribbed +
stigmatic +
barbellate +
tawny-white +
persistent +
25;40 +
absent +
sessile +
alternate +
reduced +
Hayden’s mountaincrown +
absent +
monomorphic +
dimorphic +
strigose +
cylindric +
staminate +
straight +
herbaceous +
proximal +
oblanceolate;linear-elliptic +
indurate +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
Rocky slopes, talus, ridges, usually in alpine tundra, sometimes in clearings in pine-fir or pine-spruce woods, sometimes around lake edges or near snow banks, usually in drier sites +
singly +
indeterminate +
Present +
surrounding +
turbinate +
oblanceolate +
eglandular +
alternate +
basal +
erect +
herbaceous +
proximal +
subequal +
indurate +
2-carpellate +
inferior +
attached +
anatropous +
persistent +
tough +
thick +
absent +
connate +
persistent +
appressed +
distinct +
falling +
unequal +
Phytologia +
1993 +
pistillate +
absent +
fertile +
epaleate +
pitted +
concave;usually flat;conic +
fibrous +
exalbuminous +
modifed +
1;3;4 +
alternate +
eglandular +
linear-lanceolate +
2-branched +
glabrous +
Oreostemma alpigenum var. haydenii +
Oreostemma alpigenum +
variety +
tubular +
shorter +
perennial +