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3. Alniphyllum Matsumura, Bot. Mag. (Tokyo). 15: 67. 1901.
赤杨叶属 chi yang ye shu
Trees, deciduous. Leaves alternate; stipules absent; leaf blade margin serrate. Inflorescences terminal or axillary, racemes or panicles; bracteoles small. Pedicel jointed. Flowers bisexual. Calyx tube cup-shaped, 5-toothed. Corolla campanulate; lobes 5, imbricate. Stamens 10, 5 long and 5 short; filaments broad and flattened, mostly connate into a broad tube and adnate to corolla; anthers oblong. Ovary superior, 5-locular; ovules 8--10 per locule, 2 series in central axis. Style linear, slender; stigma obscurely 5-lobed. Fruit capsular, loculicidally dehiscent into 5 valves, exocarp slightly fleshy. Seeds with irregularly membranous wings at each end; embryo straight.
Three species: SE Asia, S China; three species in China.
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Inflorescences 3--5 cm; pedicel 1--2 mm; seeds ca. 3.5 mm |
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3 Alniphyllum eberhardtii |
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Inflorescences 8--15(--20) cm; pedicel 4--8 mm; seeds 5--7 mm. |
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(2) |
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| 2 (1) |
Leaf blade elliptic, broadly elliptic, or obovate-elliptic, indumentum brown; calyx 4--5 mm |
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1 Alniphyllum fortunei |
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Leaf blade ovate to ovate-lanceolate, rarely elliptic-lanceolate, indumentum gray; calyx ca. 6 mm |
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2 Alniphyllum pterospermum |
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Lower Taxa
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