|
|
|
20. Speranskia Baillon, Étude Euphorb. 388. 1858.
地构叶属 di gou ye shu
Authors: Huaxing Qiu & Michael G. Gilbert
Herbs, monoecious; indumentum of simple hairs. Leaves alternate; stipules small, deciduous; leaf blade simple, venation pinnate. Inflorescences terminal, racemelike thyrses, bisexual, male flowers distal, female flowers proximal; bracts often ovate. Male flowers: sepals 5, valvate, closed in bud; petals 5; disk 5-dissected; stamens 10-15; filaments free; anthers 2-locular; pistillode absent. Female flowers: sepals 5, valvate; petals 5 or absent; disk annular; ovary 3-locular, verrucose, sometimes smooth, pilose; style free, 2-lobed, stigmatic surface plumose-lacerate; ovules 1 per locule. Fruit a capsule, 3-locular. Seeds globose.
● Two species: China.
|
|
|
|
| 1 |
Leaf blade margins usually incised-dentate or lobulate, petiole less than 5 mm; female petals present, ovary and capsule sparsely verrucose. |
|
1 S. tuberculata |
| + |
Leaf blade margins usually coarsely crenate, petiole 10-35 mm; female petals absent, ovary and capsule densely tuberculate. |
|
2 S. cantonensis |
|
|
|
Lower Taxa
| Related Links (opens in a new window) |
|
Other Databases
|
|
|
|
|
|
|
|
|
