Potentilla effusa var. rupincola
Biblioth. Bot. 16 (Heft 71): 199. 1908.
Common names: Rockloving cinquefoil
Conservation concernEndemic
Basionym: Potentilla rupincola Osterhout Bull. Torrey Bot. Club 26: 256. 1899
Leaflets ± green, teeth 2–5 per side, abaxial surfaces sparsely to moderately long-hairy at least on veins, not or sparsely cottony, adaxial glabrous or sparsely long-hairy and/or cottony. Flowers: epicalyx bractlets and sepals mostly glabrate or glabrous except proximally; anthers 0.5–0.6 (–0.7) mm.
Phenology: Flowering summer.
Habitat: Granitic outcrops or thin, gravelly soil, montane conifer woodlands
Elevation: 2100–3300 m
Discussion
Of conservation concern.
Besides being bright green (rather than grayish), var. rupincola plants are generally less robust and somewhat shorter than plants of var. effusa, which also tends to be more upright. The variety is known only from the Rocky Mountains of north-central Colorado.
Selected References
None.
Lower Taxa
None.
"dm" is not declared as a valid unit of measurement for this property.
... more about "Potentilla effusa var. rupincola"
often much sparser +
aggregated +
not glaucous +
perigynous +
dehiscent +
long +
not 2-ranked +
foliaceous +
? (?) +
thin +
absent +
reduced +
absent +
Rockloving cinquefoil +
confluent +
decurrent +
lateral +
Colo. +
aggregated +
absent +
5-merous +
deciduous +
ovoid +
aggregated +
not red +
sparse +
appressed +
ascending +
absent +
obscured +
fascicles +
straight +
appressed +
long +
absent +
obscured +
cottony +
crisped +
persistent +
fleshy +
7-30-flowered +
axillary +
crassinucellate +
marcescent +
well-developed +
persistent +
winter +
paired +
not conduplicate +
green +
lateral +
1/4 +
distal +
incised +
absent +
aggregated +
basal +
straight +
recurved +
absent +
perigynous +
elliptic +
usually longer +
absent +
1;250 +
usually much longer +
Biblioth. Bot. +
1908 +
not arillate +
2;1 +
persistent +
shorter +
not rooting +
2-3(-4) times basal leaves +
not flagelliform +
capitate +
persistent +
adnate +
absent +
? (?) +
jointed +
length +
deciduous +
distinct +
subapical +
rough-thickened +
not fleshy-thickened +
Potentilla effusa var. rupincola +
Potentilla effusa +
variety +
developed +
absent +
inconspicuous +
conic +
enlarged +
fleshy +
not stoloniferous +
perennial +
unarmed +
rosetted +