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.