All Floras      Advanced Search
FOC Vol. 16 Page 5 Login | eFloras Home | Help
FOC | Family List | FOC Vol. 16 | Gentianaceae

5. Canscora Lamarck, Encycl. 1: 601. 1785.

穿心草属 chuan xin cao shu

Euphorbiopsis H. Léveillé & Vaniot.

Annuals or perennials. Leaves opposite, sessile, petiolate, or perfoliate. Cymes pseudodichotomous or complex. Flowers 4 or 5merous. Calyx tubular. Corolla usually tubular, salverform, or campanulate. Stamens inserted at apical part of corolla tube, 1 or 2 (or 3) with fertile anthers, 2 or 3 with sterile nonfunctional anthers. Ovary 1locular. Stigma lobes oblong or capitate. Capsules 2valved, many seeded. Seeds suborbicular, compressed; seed coat reticulate.

About 30 species: tropical and subtropical Africa, Asia, and Australia; three species in S China.

1 Leaf pairs completely joined into single, orbicular, perfoliate blade; flowers 5merous; corolla campanulate; stamens subequal; plants apparently perennial   3 Canscora lucidissima
+ Leaves free, not perfoliate; flowers 4merous; corolla tubular or salverform; stamens clearly unequal; plants annual.   (2)
2 (1) Apical leaf blades narrowly ovate; calyx tube 9-11 mm, prominently 8veined; corolla tubular; fertile stamen 1   1 Canscora andrographioides
+ Apical leaf blades cordate; calyx tube 4-5 mm, obscurely 4veined; corolla salverform; fertile stamens 2 or 3   2 Canscora diffusa

Lower Taxa


Related Objects  
  • PDF File
  • PDF

    Flora of China @
    Browse by
    Advanced Search

    Flora of China Home




     |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |