Integrative Biology Journals

Plant Diversity ›› 1982, Vol. 4 ›› Issue (04): 1-3.

• Articles •    

A NEW SPECIES OF THE GENUS PARIS

Li Hen   

  1. Kunmming Institute of Botany,Academia sinica
  • Online:1982-08-25 Published:1982-08-25

重楼属一新种

李恒   

  1. 中国科学院昆明植物研究所

Abstract: Proxima P.violaceae Leveille, a qua differt foliis latioribus, obovatis vel oblanceolatis, 3.2-5 cm longis et 2- 3.7 cm latis, stigmatis brevissimis, erectis non reflexis, ovario purpureo. Herba perellnis, humilis, 6-12 cm alta. Rhizoma cylindricum, 6-8 mm crassum, 2-3 cm longum. Caulis ere- ctus, glaber, purpureus. Folia 4-5, verticillata, sessilia vel subsessilia, obo- vata vel oblanceolata, 3.2-5 cm longa, 2-3.7 cm lata, apice acuta vel breviter acuminata, basi late cuneata, integra, supra atrovirentia, subtus purpurea, utrinque cum nervis glauco-marmoratis.

Key words: new species, genus, pais

摘要: 多年生直立矮小草本,高6—12厘米,根状茎圆柱形,粗6—8毫米,长2—3厘米,茎紫色,无毛。叶4—5枚,轮生,无柄或近无柄,倒卵形或倒卵状披针形,长3.2—5厘米,宽2—3.7厘米,先端急关或短渐尖,基部楔形,全缘,上表面深绿色,背面深紫色,二面沿叶脉具淡绿色斑纹。花梗长2.5—5厘米,紫色。外轮花被片4一5枚,卵形,卵状披针形或狭椭圆形,长8—9毫米,宽4—5.5毫米,先端渐类,基部稍狭,上表面深绿色,背面变紫色;内轮花被片4—5,丝状,长达1.7厘米,远长于内轮花被片。雄蕊8或10枚,花丝长2.5毫米;花药黄色,长2.5毫米;药隔不突出于花药之上。子房紫色,具4—5棱,侧膜胎座4—5,胚珠少数。蒴果深紫色,明显具4一5棱。种子倒卵形。花期:6月。

关键词: 重楼属, 新种