Jamesia americana var. americana
Illustrated
Treatment appears in FNA Volume 12. Treatment on page 465.
Bark exfoliating readily in reddish-brown or blackish sheets. Leaves: petiole (1–) 3–18 (–54) mm; blade ovate, (1–) 2–8 (–10) × (1–) 1.3–6.3 (–8.5) cm, margins crenate to dentate, teeth (13–) 19–51 (–69). Inflorescences (7–) 15–35-flowered. Flowers: sepals triangular-ovate, 1.5–3 (–3.8) mm; petals white, 6–11 mm; styles 3.5–5 (–7) mm. 2n = 32.
Phenology: Flowering May–Aug(–Oct).
Habitat: Stream banks, forested canyon bottoms, rocky slopes, cliffs.
Elevation: 1500–3000(–3800) m.
Distribution
Ariz., Colo., N.Mex., Wyo., Mexico (Chihuahua), Mexico (Nuevo León)
Discussion
Selected References
None.
Lower Taxa
None.
"dm" is not declared as a valid unit of measurement for this property."dm" is not declared as a valid unit of measurement for this property."connate" is not a number. "distinct" is not a number.
... more about "Jamesia americana var. americana"
sparsely strigose;glabrescent +
distinct +
perigynous +
dehiscing +
depressed-ovate +
narrow +
funicular +
absent +
exfoliating +
asymmetric +
herbaceous +
ovate +
stunted +
straggly +
ascending;spreading +
septicidal +
indurate +
2-35-flowered +
symmetric +
marginal +
bisexual +
not ribbed +
adnate +
1.3mm;2mm +
strigose +
hemispheric +
2.5mm;4.5mm +
Present +
(7-)15-35-flowered +
simple +
opposite +
deciduous +
absent +
parietal +
adnate +
axile +
inferior +
anatropous +
1;50 +
absent +
strigose +
absent +
strigose +
perigynous +
imbricate +
white +
connate +
5.5mm;11mm +
spreading +
absent +
3-5-carpellate +
Fl. N. Amer. +
1840 +
ellipsoid +
petaloid +
persistent +
? (?) +
erect +
triangular-ovate +
enlarged +
longitudinal +
Illustrated +
spreading;ascending +
absent +
persistent +
distinct +
3;5 +
hairy +
Jamesia americana var. americana +
Jamesia americana +
variety +
simple +
ascending-strigose +