All Floras      Advanced Search
FOC Vol. 8 Page 203 Login | eFloras Home | Help
FOC | Family List | FOC Vol. 8 | Crassulaceae

1. Tillaea Linnaeus, Sp. Pl. 1: 128. 1753.

东爪草属 dong zhao cao shu

Fu Kunjun (Fu Kun-tsun); Michael G. Gilbert

Herbs often annual, small, usually glabrous. Roots fibrous. Stems erect or ascending, sometimes ± stoloniferous at base. Leaves opposite, fused at base to form short sheath, flat or terete, margin entire. Inflorescences axillary, cymose, often shorter than subtending leaf, 1- to few flowered. Flowers bisexual, (3 or)4- or 5-merous, inconspicuous. Sepals free, spurless. Petals inconspicuous, free, dull white, greenish, pinkish, or yellowish, often translucent, sometimes shorter than sepals. Stamens as many as petals; filaments filiform. Carpels free. Stigma terminal. Follicles 1- to many seeded, dehiscent along adaxial suture. Seeds smooth, papillate, or striate.

About 16 species: almost worldwide; five species (two endemic) in China.

1 Flowers sessile; sepals ovate, shorter than petals   1 T. aquatica
+ Flowers pedicellate; sepals linear-lanceolate to lanceolate, shorter or longer than petals.   (2)
2 (1) Carpels 5   5 T. schimperi
+ Carpels 4.   (3)
3 (2) Stems ascending; nectar scales broadly obconical; seeds papillate   2 T. mongolica
+ Stems erect; nectar scales linear to spatulate; seeds longitudinally striate.   (4)
4 (3) Flowers in cymules; pedicels variable in length, always some much longer than sepals; petals shorter than sepals, apex acute   3 T. alata
+ Flowers solitary; pedicels ca. 1/2 as long as sepals; petals longer than sepals, apex obtuse   4 T. likiangensis

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  |