School of Life Sciences, The Chinese University of Hong Kong
Morus alba L.
桑
Family
- Moraceae 桑科
Height/Length 植株高度/長度
- Height 高度
3 - 10 m
Stem image(s)
Leaf image(s)
Leaves (general)
Stipule
- Modification 托葉特化
Not applicable 不適用
Petioles
- Modification 葉柄特化
Not applicable 不適用
Leaf blades
Leaf dimension 葉片尺寸
- Length 長度
5 - 15 cm
- Width 闊度
5 - 12 cm
Petiole length 葉柄長度
- Length 長度
1.5 - 5.5 cm
Stipule dimension 托葉尺寸
- Length 長度
2 - 3.5 cm
- Width 闊度
No literature record 未有文獻記載
Number of lateral vein on leaf blade 葉片側脈數
- Number 數目
No literature record 未有文獻記載
Compound Leaves
- Not applicable 不適用
Flower image(s)
Flowers (general)
- Perianth type 花被類型
No literature record 未有文獻記載
Inflorescence dimension 花序尺寸
- Length 長度
1 - 4 cm
- Diameter 直徑
No literature record 未有文獻記載
Peduncle/Scape Length 總花梗/花葶長度
- Length 長度
No literature record 未有文獻記載
Pedicel length 花梗長度
- Not applicable 不適用
Bracts
- Bract 苞片
- Not applicable 不適用
- Bracteole 小苞片
- Not applicable 不適用
- Involucral bract 總苞片
- Not applicable 不適用
Calyx
- Not applicable 不適用
Corollae
- Not applicable 不適用
Number of perianth lobe/tepal 花被裂片/花被片數
- Number 數目
4
Perianth lobe/Tepal dimension 花被裂片/花被片尺寸
- Length 長度
ca. 1.5 mm
- Width 闊度
No literature record 未有文獻記載
Perianth tube length 花被管長度
- Length 長度
No literature record 未有文獻記載
Androecia
- Anther 花藥
No literature record 未有文獻記載
No literature record 未有文獻記載
- Connective 藥隔
No literature record 未有文獻記載
No literature record 未有文獻記載
Number of stamen 雄蕊數
- Number 數目
4
Number of stamenoid 不育雄蕊數
- Not applicable 不適用
Filament length 花絲長度
- Length 長度
ca. 2.7 mm
Gynoecia
- Ovary 子房
No literature record 未有文獻記載
- Carpel fusion 心皮合生情況
No literature record 未有文獻記載
- Style 花柱
- Not applicable 不適用
Number of carpel 心皮數
- Number 數目
1
Number of style 花柱數
- Number 數目
1
Style length 花柱長度
- Not applicable 不適用
Fruit image(s)
Fruit dimension 果實尺寸
- Length 長度
1 - 2.5 cm
- Diameter 直徑
No literature record 未有文獻記載
Habitats
Supplementary information
Winter buds red-brown, scales imbricate. Leaves sometimes variously lobed, pubescent along veins abaxially. Male spike pendulous, 2–3.5 cm, densely white villose. Male flowers: perianth-lobes broad-elliptic, greenish; anther globose or reniform. Female spike 1–2 cm. Female flowers: perianth-lobes obovate, outside and margin hairy; style absent, stigma 2-parted. Links to database for literature reviews :
Reviewer(s)
-- Software system developed by
T.H. WongAcknowledgement
Wu Jieh Yee Charitable Foundation Native Plant Resources and Database in Hong KongReferences
- Flora of Hong Kong: Agriculture, Fisheries and Conservation Department, Government of the Hong Kong Special Administrative Region
- Flora of Shenzhen: China Forestry Publishing House
- Flora of China. Vol 9 (2003): Science Press, Beijing Missouri Botanical Garden Press, St. Louis
- Flora Republicae Popularis Sinicae (中國植物志): Science Press, Beijing
Acknowledgement 鳴謝:
Wu Jieh Yee Charitable Foundation Native Plant Resources and Database in Hong Kong
伍絜宜慈善基金香港原生植物資源及教材庫
