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• 研究论文 •    

野牡丹科一新属——虎颜花属

陈介   

  1. 中国科学院昆明植物研究
  • 出版日期:1979-04-25 发布日期:1979-04-25

A NEW GENUS TIGRIDIOPALMA C.CHEN OF MELASTOMATACEAE

Chen Cheih   

  1. Kunmming Institute of Botany,Academia sinica
  • Online:1979-04-25 Published:1979-04-25

摘要: 草本,茎较短。叶通常膜质,边缘具细齿,9基出脉,侧脉互相平行,与基出脉垂直;具长柄。蝎尾状聚伞花序,胶生,具长总花梗(即花葶 ,无毛;花5数,花萼漏斗形,5棱形,棱上具翅,顶端平截,裂片点尖;花瓣通常倒卵形,1例偏斜,顶端点尖;雄蕊10,同形,不等长,弯曲;花丝丝状,花药线形,单孔开裂,药隔微膨大,长者药隔下延成短柄,末端前方具2小瘤,后方微突起,短者花药基部具小瘤,药隔下延成短距;子房卵形,上位,5室,顶端具膜质冠,通常5裂,胚珠多数,特立中央胎座。蒴果漏斗状杯形,顶端平截,5裂,膜质冠木栓化,伸出宿存等外,宿存尊与果同行,5棱形,种子小,多数,楔形,密布小突起。

关键词: 牡丹, 新属, 虎颜花

Abstract: Genus ad Subfam.Melastomatoideam,Trib.Sonerileam Triana pertinens,sed ab Amphiblemma Naud.(ex African.)calycibus 5-angulatis,hoc angustate alatis,anthera lineari,apice obtusa,basi antice 2 tuberculata,scorpioideo-cyma differt;a Phllagathe Blume floribus 5-meris,cymis scorpioideis,staminibus inaequilongis,anthera lineari,apice obtusa,majore connectivali ad inferam stipita elongata formenti,basi antice 2 tuberculata,postice leviter acuta,minore anthera basi antice 2 tuberculata,postice calcarata distincta distinguenda.

Key words: New genus