Begonia fimbristipula Hance
紫背天葵

Family

  • Begoniaceae 秋海棠科

Growing Habits 生長習性

  1. Climbing method 攀緣方式
  2. Not applicable 不適用

Height/Length 植株高度/長度

  • Height 高度
  • < 18 cm

Leaf dimension 葉片尺寸

  • Length 長度
  • 6 - 13 cm
  • Width 闊度
  • 4.8 - 8.5 cm

Petiole length 葉柄長度

  • Length 長度
  • 3 - 11.5 cm

Stipule dimension 托葉尺寸

  • Length 長度
  • 5 - 7 mm
  • Width 闊度
  • 2 - 4 mm

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

Inflorescence dimension 花序尺寸

  • Length 長度
  • 6 - 18 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
  • 3 - 15 cm

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
  • 3 - 4 mm
  • Width 闊度
  • 1.5 - 2.5 mm

Number of bracteole 小苞片數

  • Not applicable 不適用

Bracteole dimension 小苞片尺寸

  • 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
  • 3 - 4

Perianth lobe/Tepal dimension 花被裂片/花被片尺寸

  • Length 長度
  • 1.1 - 1.3 cm
  • Width 闊度
  • 0.4 - 0.5 cm

Perianth tube length 花被管長度

  • Not applicable 不適用

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

  • Not applicable 不適用

Filament length 花絲長度

  • Length 長度
  • 1 - 1.3 mm

Number of carpel 心皮數

  • Number 數目
  • 3

Number of style 花柱數

  • Number 數目
  • 3

Style length 花柱長度

  • Length 長度
  • 2.8 - 3 mm

Fruit dimension 果實尺寸

  • Length 長度
  • 7 - 8 mm
  • Diameter 直徑
  • ca. 11 mm

Supplementary information

Perennial small herb, with globose tuberous root, 7-8mm in diameter, with numerous fibrous root. Basal lobes of leaves more or less overlapped, sparsely or densely covered with small coarse hairs on adaxial surface, usually purplish and strigose along veins on abaxial surface. Margin irregularly diserrate, sometimes notching. Flowers slightly scented. Cymes/ dichasium twice or thrice branched, primary branchlets 2.5-4 cm, secondary brachlets 7-13 cm.  Peduncles slender. Bracteoles membranous. Male flowers: perianth segments 4, outer 2 ovate, 6 –12 mm, inner 2 obovate-oblong; stamen numerous. Female flowers: smaller, perianth-segments 3, two larger, half-orbicular, ca. 3 mm, another one smaller and narrower, oblong; ovary 3-locular. Capsule with 3 unequal wings.

Links to database for literature reviews :

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 of China: Science Press, Beijing Missouri Botanical Garden Press, St. Louis
  1. Flora Republicae Popularis Sinicae (中國植物志): Science Press, Beijing
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