Prunus hortulana |
Rosaceae tribe Amygdaleae |
|
---|---|---|
Hortulan or wild goose plum, Hortulan plum |
|
|
Habit | Trees, rarely suckering, 40–100 dm, moderately thorny. | Shrubs or trees; sometimes armed. |
Twigs | with axillary end buds, glabrous. |
|
Leaves | deciduous; petiole 6–20 mm, hairy on adaxial surface, usually glandular distally, glands 1–5; blade narrowly elliptic, lanceolate, oblanceolate, or oblong-obovate, (5–)7–11(–13) × (2–)3–5.5 cm, base obtuse to rounded, margins singly to doubly crenate-serrate, teeth blunt, glandular, glands inconspicuous, blackish, apex long-acuminate, abaxial surface ± hairy along midribs and veins, adaxial glabrous or with hairs along midribs. |
alternate, simple; stipules deciduous, free; venation pinnate. |
Inflorescences | 2–4-flowered, umbellate fascicles. |
|
Pedicels | 8–20 mm, glabrous. |
|
Flowers | blooming before or at leaf emergence; hypanthium campanulate, 2–3 mm, glabrous externally; sepals erect to reflexed, ovate, 1.5–3 mm, margins glandular-toothed, abaxial surface glabrous or sparsely hairy, adaxial densely hairy at bases; petals white, obovate, 4–9 mm; ovaries glabrous. |
perianth and androecium perigynous; epicalyx bractlets absent; hypanthium cup-shaped, obconic, campanulate, or tubular; torus absent; carpel 1, distinct, free, style terminal, distinct; ovules 2 (1 abortive), apical, collateral (obturator present). |
Fruits | drupes; styles deciduous, not elongate. |
|
Drupes | red to yellowish with white dots, not or only slightly glaucous, globose, 20–30(–40) mm, glabrous; mesocarps fleshy; stones ovoid-ellipsoid, ± flattened. |
|
2n | = 16. |
|
Prunus hortulana |
Rosaceae tribe Amygdaleae |
|
Phenology | Flowering Apr–May; fruiting Aug–Sep. | |
Habitat | Roadside thickets, flood plains, open woodlands | |
Elevation | 50–500 m (200–1600 ft) | |
Distribution |
AR; IA; IL; IN; KS; KY; MA; MI; MO; NE; OH; OK; TN; VA; WV
|
North America; Mexico; Central America; South America; Eurasia; Africa; Australia [Widely introduced] |
Discussion | Genus 1, species 200+ (44 in the flora). The base chromosome number for Amygdaleae is x = 8. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 9, p. 382. | FNA vol. 9, p. 352. |
Parent taxa | Rosaceae > subfam. Amygdaloideae > tribe Amygdaleae > Prunus | Rosaceae > subfam. Amygdaloideae |
Sibling taxa | ||
Subordinate taxa | ||
Synonyms | P. hortulana var. mineri | |
Name authority | L. H. Bailey: Gard. & Forest 5: 90. (1892) | de Candolle: in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 2: 529. (1825) |
Web links |