Flora of North America species comparison

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Rosaceae subfam. Amygdaloideae
Habit Shrubs or trees, sometimes subshrubs or herbs.
Leaves

alternate, sometimes opposite, simple, sometimes pinnately compound;

stipules present or absent.
Flowers

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.

Rosaceae subfam. Amygdaloideae
Distribution
map from FNA
HI; North America; Mexico; Central America; South America; Europe; Asia; Africa; Atlantic Islands (Madeira); Australia
Discussion

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.)
Parent taxa Rosaceae
Subordinate taxa
Name authority Arnott: Botany, 107. (1832)
Source FNA vol. 9, p. 345. Treatment author: Luc Brouillet.
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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