Sapium discolor (Champ. ex Benth.) Müll. Arg.
山烏桕

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  • Sapium discolor (Champ. ex Benth.) Müll. Arg. 山烏桕

Family

  • Euphorbiaceae 大戟科

Growing Habits 生長習性

  1. Growth form 生長形態
    2. Tree 喬木
  1. Climbing method 攀緣方式
    2. Not applicable 不適用

Height/Length 植株高度/長度

  • Height 高度
    • 5 - 12 m

Leaf dimension 葉片尺寸

  • Length 長度
    • 4 - 10 cm
  • Width 闊度
    • 2.5 - 5 cm

Petiole length 葉柄長度

  • Length 長度
    • 2 - 7.5 cm

Stipule dimension 托葉尺寸

  • Length 長度
    • ca. 1 mm
  • Width 闊度
    • ca. 0.5 mm

Number of lateral vein on leaf blade 葉片側脈數

  • Number 數目
    • 8 - 12 pairs 對

Compound Leaves

  • Not applicable 不適用

Inflorescence dimension 花序尺寸

  • Length 長度
    • 4 - 9 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

  • Length 長度
    • No literature record 未有文獻記載

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
    • ca. 1.5 mm
  • Width 闊度
    • ca. 1 mm

Number of calyx lobe/sepal 花萼裂片/萼片數

  • Number 數目
    • 3

Calyx lobe/Sepal dimension 花萼裂片/萼片尺寸

  • Length 長度
    • < 2 mm
  • Width 闊度
    • No literature record 未有文獻記載

Calyx tube length 花萼管長度

  • Length 長度
    • No literature record 未有文獻記載

Corollae

  • Not applicable 不適用

Perianths

  • Not applicable 不適用

Number of stamen 雄蕊數

  • Number 數目
    • 2 - 3

Number of stamenoid 不育雄蕊數

  • Not applicable 不適用

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
    • 3

Number of style 花柱數

  • Number 數目
    • ca. 3

Style length 花柱長度

  • Length 長度
    • No literature record 未有文獻記載

Fruit dimension 果實尺寸

  • Length 長度
    • No literature record 未有文獻記載
  • Diameter 直徑
    • 1 - 1.5 cm

Supplementary information

Leaves more or less glaucous abaxially. Racemes terminal, with several female flowers at base, and many male flowers on upper part. Sometimes the whole inflorescence are formed by male flowers. Male flowers: 5–7 in axil of bracts; pedicels 1–3 mm; bracts ovate, ca.1.5 × 1 mm; calyx cup-shaped, irregular-serrulate; stamens 2–3, filaments short, anthers globose. Female flowers: solitary in axil of bracts; pedicels ca. 5 mm; bracts as in male flowers; calyx 3-partite to base, lobes triangular, ca. 2 mm; ovary ovoid, 3-locular; styles 3, divided to the middle.

Links to database for literature reviews :

Reviewer(s)

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Software system developed by

T.H. Wong

Acknowledgement

Wu Jieh Yee Charitable Foundation Native Plant Resources and Database in Hong Kong

References

  1. Flora of Hong Kong: Agriculture, Fisheries and Conservation Department, Government of the Hong Kong Special Administrative Region
  1. Flora of Shenzhen: China Forestry Publishing House
  1. 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

Shiu-Ying Hu Herbarium, School of Life Sciences, CUHK WordPress

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