familyRosaceae
subfamilyRosaceae subfam. Rosoideae
genusIvesia
sectionIvesia sect. Setosae
speciesIvesia shockleyi
Ivesia shockleyi var. ostleri
Syst. Bot. 14: 237, fig. 3. 1989.
Common names: Ostler’s or Wah Wah ivesia
Conservation concernEndemic
Treatment appears in FNA Volume 9. Treatment on page 228.
Stems (0.2–) 0.5–1.5 dm. Basal leaves (2–) 4–12 (–14) cm; leaflets 7–15 (–18) per side, lobes (4–) 6–10 (–12), oblanceolate to obovate or elliptic. Cauline leaves 0.5–2.5 cm, blade reduced pinnate, lateral leaflets 1–3 per side. Inflorescences 5–20-flowered, (1–) 3–4 (–6) cm diam. 2n = 28.
Phenology: Flowering spring–early summer.
Habitat: Crevices of quartzite outcrops, in pinyon-juniper and ponderosa pine woodlands
Elevation: 1900–2500 m
Discussion
Of conservation concern.
Variety ostleri is known from the Needle Range and Wah Wah Mountains of Beaver County, Utah. A report from the Snake Range, White Pine County, Nevada (G. Clifton, unpubl.) remains to be verified.
Selected References
None.
Lower Taxa
None.
"dm" is not declared as a valid unit of measurement for this property.
... more about "Ivesia shockleyi var. ostleri"
carunculate +
aggregated +
vertical +
rugose +
perigynous +
yellow +
dehiscent +
oblong +
setose +
sheathing +
foliaceous +
developed +
vestigial +
reduced +
? (?) +
thin +
absent +
reduced +
absent +
elongate +
glabrous +
odd-pinnate +
not paired +
developed +
vestigial +
lobed +
hanging +
Ostler’s or Wah Wah ivesia +
vertical +
lateral +
Utah. +
aggregated +
absent +
arranged +
carunculate +
deciduous +
glabrous +
rugose +
aggregated +
fascicles +
persistent +
fleshy +
5-20-flowered +
axillary +
crassinucellate +
compound +
winter-marcescent +
basal +
palmate +
oriented +
distinguishable +
hairy +
? (?) +
verticillate +
absent +
aggregated +
basal +
curved +
sigmoid +
absent +
perigynous +
reflexed +
absent +
1;250 +
Syst. Bot. +
1989 +
vertical +
not arillate +
2;1 +
persistent +
usually shorter +
capitate +
persistent +
adnate +
absent +
? (?) +
jointed +
deciduous +
distinct +
subterminal +
filiform +
rough-thickened +
hirsute +
not fusiform +
fleshy +
Ivesia shockleyi var. ostleri +
Ivesia shockleyi +
variety +
distinct +
indistinct +
developed +
absent +
inconspicuous +
enlarged +
fleshy +
unarmed +
rosetted +
perennial +
aromatic +