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| 資料編號: | HK-3588 |
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| 中文名稱: | 長果桑_奶桑(標室沒收錄) |
| 學名: | Morus macroura [找同屬植物] |
| 植物科名: (APG新系統) | MORACEAE桑科 [找同科植物] |
| 標室舊系統 | MORACEAE桑科[找同科] |
| 生長習性: | 喬木 |
| 資料更新: | 20220327 10:42:49 am |
| 備註: FOC: Infructescences longer than 2.5 cm. -- 長果桑 M. macroura Infructescences usually shorter than 2.5 cm. -- 桑 M. alba Trees 7-12 m tall, d.b.h. 10-20 cm; dioecious. Branchlets pubescent when young. Winter buds ovoid-ellipsoid to ovoid, white pubescent. Stipules small. Petiole 2-4 cm; leaf blade ovate to broadly ovate, 5-15 × 5-9 cm, membranous, abaxially pale green and with short soft hairs along midvein and lateral veins when young, adaxially dark green and with soft hairs along veins, base rounded, ± cordate, or truncate, margin minutely and densely serrate, apex acuminate to shortly acuminate; secondary veins 4-6 on each side of midvein. Male catkins axillary, paired, 4-8 cm; peduncle 1-1.5 cm. Female inflorescences cylindric, 6-12 cm; peduncle 1-1.5 cm. Male flowers: calyx lobes ovate, adaxially pubescent; filament ca. 2.5 mm; anther globose. Female flowers: calyx lobes pubescent; ovary ovoid, declinate, ± compressed, pubescent; style absent; stigma 2-branched, papillate. Syncarp yellowish white when mature, 6-12 cm; achenes ovoid. Fl. Mar-Apr, fr. Apr-May. | |
| 如資料有任何錯誤,歡迎聯絡本會. info@hkcww.org | |
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