familyRosaceae
subfamilyRosaceae subfam. Rosoideae
genusIvesia
sectionIvesia sect. Setosae
speciesIvesia arizonica
varietyIvesia arizonica var. saxosa
Difference between revisions of "Ivesia arizonica var. saxosa"
Syst. Bot. 14: 233. 1989.
Common names: Rock purpusia
Conservation concernEndemic
Basionym: Purpusia saxosa Brandegee Bot. Gaz. 27: 447. 1899
Synonyms: Potentilla osterhoutii var. saxosa (Brandegee) J. T. Howell
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Latest revision as of 22:56, 5 November 2020
Inflorescences (1–)5–30(–150)-flowered, (0.5–)2–14 cm diam. Flowers: hypanthium turbinate, ± 2 times as deep as wide; petals white; anthers 1–1.5 mm.
Phenology: Flowering summer.
Habitat: Dry, rocky outcrops of mainly volcanic origin, usually in crevices of more or less vertical protected cliffs or boulders, in sagebrush communities, pinyon-juniper woodlands
Elevation: 1500–2100 m
Discussion
Of conservation concern.
Variety saxosa is known from scattered locations in the North and South Pahroc ranges, Lincoln County, and on Pahute Mesa, Nye County, Nevada. Reports of this variety in the Sheep Range of Clark County, Nevada (N. H. Holmgren 1997b; T. L. Ackerman et al. 2003), are probably based on var. arizonica.
Selected References
None.
Lower Taxa
None.
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