School of Life Sciences, The Chinese University of Hong Kong
Catharanthus roseus (L.) G. Don
長春花
Family
- Apocynaceae 夾竹桃科
Height/Length 植株高度/長度
- Height 高度
30 - 50 cm
Stem image(s)
Stems, Branches and Branchlets
- Bark 樹皮
Not applicable 不適用
- Color 顏色
No literature record 未有文獻記載
- Lenticel 皮孔
No literature record 未有文獻記載
Leaf image(s)
Leaves (general)
Stipule
- 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
2.5 - 9 cm
- Width 闊度
1 - 3.5 cm
Petiole length 葉柄長度
- Length 長度
0.7 - 1 cm
Stipule dimension 托葉尺寸
- Length 長度
No literature record 未有文獻記載
- 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
7 - 11 pairs 對
Compound Leaves
- Not applicable 不適用
Flower image(s)
Flowers (general)
Inflorescence dimension 花序尺寸
- Length 長度
No literature record 未有文獻記載
- 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
- Length 長度
2 - 3 mm
Bracts
- Bract 苞片
No literature record 未有文獻記載
No literature record 未有文獻記載
No literature record 未有文獻記載
No literature record 未有文獻記載
No literature record 未有文獻記載
No literature record 未有文獻記載
- Bracteole 小苞片
- Not applicable 不適用
- Involucral bract 總苞片
- Not applicable 不適用
Number of bracts 苞片數
- Number 數目
No literature record 未有文獻記載
Bract dimension 苞片尺寸
- Length 長度
No literature record 未有文獻記載
- Width 闊度
No literature record 未有文獻記載
Number of calyx lobe/sepal 花萼裂片/萼片數
- Number 數目
5
Calyx lobe/Sepal dimension 花萼裂片/萼片尺寸
- Length 長度
4 - 4.5 mm
- Width 闊度
No literature record 未有文獻記載
Calyx tube length 花萼管長度
- Length 長度
0.5 - 0.8 mm
Number of corolla lobe/petal 花冠裂片/花瓣
- Number 數目
No literature record 未有文獻記載
Corolla lobe/Petal dimension 花冠裂片/花瓣尺寸
- Length 長度
ca. 1.5 cm
- Width 闊度
ca. 1.5 cm
Corolla tube length 花冠管長度
- Length 長度
2-5 - 3 cm
Perianths
- Not applicable 不適用
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
No literature record 未有文獻記載
Number of stamenoid 不育雄蕊數
- Number 數目
No literature record 未有文獻記載
Filament length 花絲長度
- Length 長度
No literature record 未有文獻記載
Number of carpel 心皮數
- Number 數目
2
Number of style 花柱數
- Number 數目
No literature record 未有文獻記載
Style length 花柱長度
- Length 長度
1.9 - 2.1 cm including pistil head
Fruit image(s)
Fruit dimension 果實尺寸
- Length 長度
3 mm
- Diameter 直徑
15 - 30 mm
Habitats
Supplementary information
Subshrubs or perennial herbs, erect or decumbent. Young stems puberulent. Corolla pink or white with a purple, pink or less often yellow eye; tube pilose inside, throat villous. Stamens attached to the top of corolla‑tube, anthers oblong or oblong-lanceolate, seperate from stigma. . Ovary 1.9–3 mm. Follicles narrowly oblong, longitudinally grooved, apex acute. Exotic species originated from East Africa and Madagascar. 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 Guangdong: Guangdong Science and Technology Press
- Flora of China. Vol 9 (2003): Science Press, Beijing Missouri Botanical Garden Press, St. Louis
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
