Peraphyllum is a monotypic genus of flowering plants in the rose family, containing the single species Peraphyllum ramosissimum, commonly known as wild crab apple.

Description Peraphyllum ramosissimum is a shrub which may reach in height. Growing up to long, the leaves are simple; they can grow very close together on short shoots but are well separated on longer shoots.Janene Auger and Justin G. Smith, Peraphyllum ramosissimum Nutt., squaw-apple in Woody Plant Seed Manual Interim Web Site

Like most other flowering plants of the Rosaceae, P. ramosissimum has 5 petals and 5 sepals with radial symmetry. The flowers have about 15–20 free stamens, and the petals are white to rose in color. The fruit is a yellowish to purplish pome about wide.

Taxonomy Translated from the Greek, the genus Peraphyllum means "very leafy" and the species name ramosissimum means "many branches". Peraphyllum is most closely related to Amelanchier, Malacomeles, Crataegus, and Mespilus.Campbell, C.S.; Evans, R.C.; Morgan, D.R.; Dickinson, T.A.; Arsenault, M.P. (2007). Phylogeny of subtribe Pyrinae (formerly the Maloideae, Rosaceae): Limited resolution of a complex evolutionary history. Plant Systematics and Evolution. 266(1–2): 119–145.

Distribution and habitat Peraphyllum ramosissimum grows in Washington, California, Oregon, Idaho, Utah, Colorado, and New Mexico, usually in pine and juniper woodlands. In California it can be found in the High Cascades, High Sierra Nevada, Great Basin, and Mojave Desert sky islands.

Uses The ripe pome is edible and sweetish but has a bitter aftertaste.

References

External links

Jepson Manual Treatment: Peraphyllum ramosissimum USDA PLANTS entry for Peraphyllum ramosissimum (wild crab apple) Peraphyllum ramosissimum — U.C. Photo gallery