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24. AMELANCHIER Medikus, Philos. Bot. 1: 155. 1789.
唐棣属 tang di shu
Gu Cuizhi (Ku Tsue-chih); Stephen A. Spongberg
Shrubs or trees, deciduous; buds conspicuous, narrowly conical, with several scales. Leaves simple, petiolate, stipulate, venation camptodromous, margin entire or serrate. Racemes terminal; bracts caducous. Hypanthium campanulate. Sepals 5, margin entire. Petals 5, white, oblong or lanceolate, slender. Stamens 10–20. Ovary inferior or semi-inferior, 2–5-loculed, with 2 ovules per locule, separated by a false partition from back of locule; styles 2–5, partly connate or free. Fruit a small berrylike pome, bluish black to dark purple, usually juicy and sweet, incompletely 4–10-loculed, with one seed in each locule, crowned by persistent, usually recurved sepals.
About 25 species: Asia, Europe, North America; two species (one endemic) in China.
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Leaf margin serrate apically, entire basally, abaxially pubescent only along midvein when young; peduncle and pedicels glabrous. |
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1 A. sinica |
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Leaf margin wholly serrate, densely tomentose abaxially, peduncle and pedicels densely tomentose. |
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2 A. asiatica |
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Lower Taxa
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