Flora of North America species comparison

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Peraphyllum ramosissimum

Rosaceae subfam. amygdaloideae

Oregon apple, squaw apple, wild crab apple
Habit Shrubs or trees, sometimes subshrubs or herbs.
Leaves

crowded toward tips of short shoots;

stipules minute;

blade 4–12 mm wide.

alternate, sometimes opposite, simple, sometimes pinnately compound;

stipules present or absent.
Pedicels

1–2 cm.

Flowers

sepals 2.5–5 mm, adaxially pubescent;

petals 4–8 mm.

torus absent or minute;

carpels 1–5(–8), distinct or +/- connate (Maleae), free or +/- adnate to hypanthium (many Maleae), styles distinct or +/- connate (some Maleae);

ovules (1 or)2(–5+), collateral, clustered, or biseriate.
Fruits

follicles aggregated or not, capsules, drupes aggregated or not, aggregated drupelets, pomes, or aggregated nutlets, rarely achenes or aggregated achenes;

styles persistent or deciduous, not elongate (elongate in Gillenieae).
x

= 8, 9, 15, 17.
2n

= 34.

Peraphyllum ramosissimum

Rosaceae subfam. amygdaloideae
Phenology Flowering spring; fruiting summer.
Habitat Dry hillsides, mostly in full sun, pinyon pine-juniper, ponderosa pine, oak-sagebrush, and other communities
Elevation 500–3000 m (1600–9800 ft)
Distribution
from FNA
CA; CO; ID; NM; NV; OR; UT
[WildflowerSearch map]
[BONAP county map]
from FNA
HI; North America; Mexico; Central America; South America; Europe; Asia; Africa; Atlantic Islands (Madeira); Australia
Discussion

Peraphyllum ramosissimum is distinctive for its narrow leaves, small flowers, and yellow-orange pomes.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Cyanogenic glycosides are usually present in Amygdaloideae; sorbitol is present.

The name Amygdaloideae Arnott (1832) has priority over Spiraeoideae Arnott (1832), used by D. Potter et al. (2007), because Amygdalaceae (1820) is an earlier conserved name.

Tribes 9, genera 55, species ca. 1300 (9 tribes, 38 genera, 361 species, including 20 hybrids, in the flora)

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 9, p. 662. FNA vol. 9, p. 345. Author: Luc Brouillet.
Parent taxa Rosaceae > subfam. Amygdaloideae > tribe Maleae > Peraphyllum Rosaceae
Subordinate taxa
Name authority Nuttall: in J. Torrey and A. Gray, Fl. N. Amer. 1: 474. (1840) Arnott: Botany, 107. (1832)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Fabaceae, Apiaceae, Boraginaceae, and Polemoniaceae.)

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