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FNA | Family List | FNA Vol. 9 | Rosaceae | Prunus

15. Prunus yedoensis Matsumura, Bot. Mag. (Tokyo). 15: 100. 1901.

Yoshino cherry

Trees, not suckering, 40–80(–160) dm, not thorny. Twigs with terminal end buds, sparsely hairy. Leaves deciduous; petiole 10–20 mm, hairy, sometimes glandular distally, glands 1–2; blade elliptic-ovate to obovate, 5–12 × 2.5–7 cm, base rounded, margins doubly serrate, teeth aristate, glandular, apex acuminate, abaxial surface hairy along midribs and veins, adaxial glabrous. Inflorescences 2–6-flowered, corymbs; central axes 4–8(–20) mm. Pedicels 15–25 mm (subtended by leafy bracts), hairy. Flowers blooming before leaf emergence; hypanthium tubular, 7–8 mm, hairy externally; sepals spreading, ovate-lanceolate, 4–5 mm, margins glandular-toothed, abaxial surface hairy, adaxial sparsely hairy; petals white or pink, broadly elliptic to obovate, 13–15 mm; ovaries glabrous. Drupes black, subglobose, 7–12 mm, glabrous; mesocarps fleshy; stones ellipsoid, not flattened. 2n = 16 (Japan).

Flowering Mar–Apr; fruiting May. Abandoned plantings, disturbed sites; 0–200 m; introduced; Calif., D.C., Wash.; e Asia (Japan).


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