Flora of North America species comparison

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Prunus dulcis

almond, almond tree, amandier, sweet almond
Habit Trees, not suckering, 50–80 dm, not thorny.
Twigs

with terminal end buds, glabrous.
Leaves

deciduous;

petiole (8–)10–25 mm, usually winged distally, glabrous, usually glandular distally or on margins at bases of blades;

blade oblong to lanceolate, 2.5–10 × 1–3 cm, base obtuse, margins crenulate-serrulate to crenate-serrate, teeth blunt, glandular, apex acuminate, surfaces glabrous.
Inflorescences

solitary flowers or 2-flowered fascicles.
Pedicels

1–5 mm, glabrous.
Flowers

blooming before leaf emergence;

hypanthium cupulate, 4–7 mm, glabrous externally;

sepals erect-spreading to spreading, oblong-ovate, 4–8 mm, margins entire, tomentose, surfaces glabrous;

petals pink to nearly white, obovate, elliptic, or suborbiculate, 12–25 mm;

ovaries hairy.
Drupes

gray-green, ovoid-oblong, compressed, 25–40 mm, velutinous;

mesocarps leathery (splitting);

stones ellipsoid, strongly flattened, pitted.
2n

= 16.

Prunus dulcis
Phenology Flowering Feb–Mar; fruiting Jul–Sep.
Habitat Roadsides, canyons, grasslands
Elevation 20–500 m (100–1600 ft)
Distribution
from FNA
CA; ID; WA; w Asia; n Africa [Introduced in North America]
[WildflowerSearch map]
[BONAP county map]
Discussion

The United States now dominates world almond production with over 40% of the annual crop, all of it grown in or near the Central Valley of California. The in-shell “nuts” sold in stores are the pits of drupes with the leathery mesocarp removed. Almond is among the earliest blossoming trees and one of the first signs of spring in areas where it is grown.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 9, p. 372.
Parent taxa Rosaceae > subfam. Amygdaloideae > tribe Amygdaleae > Prunus
Sibling taxa
P. americana, P. andersonii, P. angustifolia, P. armeniaca, P. avium, P. caroliniana, P. cerasifera, P. cerasus, P. domestica, P. emarginata, P. eremophila, P. fasciculata, P. fremontii, P. geniculata, P. glandulosa, P. gracilis, P. havardii, P. hortulana, P. ilicifolia, P. laurocerasus, P. lusitanica, P. mahaleb, P. maritima, P. mexicana, P. minutiflora, P. murrayana, P. myrtifolia, P. nigra, P. padus, P. pensylvanica, P. persica, P. pumila, P. rivularis, P. serotina, P. speciosa, P. spinosa, P. subcordata, P. subhirtella, P. texana, P. tomentosa, P. umbellata, P. virginiana, P. yedoensis
Synonyms Amygdalus dulcis, A. communis, P. amygdalus
Name authority (Miller) D. A. Webb: Feddes Repert. 74: 24. (1967)
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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