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資料編號: | HK-263 |
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中文名稱: | 柘樹 |
學名: | Cudrania tricuspidata [找同屬植物] | [完整學名] |
異名: | Maclura tricuspidata |
英文名稱: | Tricuspid Cudrania |
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: | 落葉小喬木_灌木 |
原生/外來: | 香港原生植物 |
特別特徵: | 枝幹有刺 |
資料更新: | 20240428 10:42:50 pm |
備註: GBIF:Cudrania tricuspidata is syn of Maclura tricuspidata 香港植物標本室: Maclura tricuspidata Carrière Synonym Cudrania tricuspidata (Carrière) Bureau ex Lavallée FOC: Shrubs or small trees, 1-7 m tall, deciduous. Bark grayish brown. Branchlets slightly ridged, glabrous; spines 0.5-2 cm. Winter buds reddish brown. Petiole 1-2 cm, sparsely pubescent; leaf blade ovate to rhombic-ovate, occasionally 3-lobed, 5-14 × 3-6 cm, abaxially greenish white and glabrous or sparsely pubescent, adaxially deep green and glabrous, base rounded to cuneate, margin entire, apex acuminate; secondary veins 4-6 on each side of midvein, tertiary veins reticulate. Inflorescences axillary, single or in pairs. Male inflorescences capitulate, ca. 5 mm in diam.; peduncle shorter than capitulum. Female inflorescences 1-1.5 cm in diam., axillary; peduncle short. Male flowers: calyx lobes fleshy, margin revolute, apex thick; pistillode pyramidal. Female flowers: calyx lobes with margin revolute, apically shield-shaped; ovary immersed in lower part of calyx. Fruiting syncarp orange red when mature, ± globose, ca. 2.5 cm in diam. Fl. May-Jun, fr. Jun-Jul. 中國植物誌: 落葉灌木或小喬木,高1-7米;樹皮灰褐色,小枝無毛,略具棱,有棘刺,刺長5-20毫米;冬芽赤褐色。葉卵形或菱狀卵形,偶為三裂,長5-14厘米,寬3-6厘米,先端漸尖,基部楔形至圓形,表面深綠色,背面綠白色,無毛或被柔毛,側脈4-6對;葉柄長1-2厘米,被微柔毛。 雌雄異株,雌雄花序均為球形頭狀花序,單生或成對腋生,具短總花梗;雄花序直徑0.5厘米,雄花有苞片2枚,附著於花被片上,花被片4,肉質,先端肥厚,內捲,內面有黃色腺體2個,雄蕊4,與花被片對生,花絲在花芽時直立,退化雌蕊錐形;雌花序直徑1-1.5厘米,花被片與雄花同數,花被片先端盾形,內捲,內面下部有2黃色腺體,子房埋於花被片下部。 聚花果近球形,直徑約2.5厘米,肉質,成熟時桔紅色。花期5-6月,果期6-7月。 | |
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