Vismianthus
| Vismianthus | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Systematics | ||||||||||||
|
||||||||||||
| Scientific name | ||||||||||||
| Vismianthus | ||||||||||||
| Mildbr. |
Vismianthus is a plant kind from the family of connaraceae .
description
Vismianthus are shrubs or small trees . The actually composed leaves have only one leaflet are long-stalked, arranged terminally and covered with point-shaped, darkly marked glands . The inflorescence is a little-flowered, axillary grape , the heterodistyled flowers are hermaphroditic and five-fold. The petals are bare, but covered with glandular hairs, the ten stamens are bare, the anthers ovate, the stylus hairy. There is only a single, densely hairy carpel , the fruit is a weakly stalked, flattened and elliptical bellows , tapering at the ends , which is almost outside and completely bare inside. Upon opening, the inner and outer pericarp separate .
The egg-shaped seeds are individually attached to the inside of the bellows and have a fleshy outer layer, the so-called sarcotesta , it is wavy or fringed, has a long appendage and covers the base of the seed. The endosperm is extremely thin, the radicle is pointed.
distribution
The genus is ancient , the species are found in southern Tanzania and in Myanmar .
Systematics
The genus is placed in the tribe Connareae of the family. There are only two types:
- Vismianthus punctatus Mildbr. : It occurs in Tanzania.
- Vismianthus sterculiifolius (Prain) Breteler & J.Brouwer : It occurs in Myanmar.
proof
- RHMJ Lemmens et al .: Connaraceae. In: Klaus Kubitzki (Ed.): The Families and Genera of Vascular Plants . Volume 6: Flowering Plants, Dicotyledons: Celastrales, Oxalidales, Rosales, Cornales, Ericales . Springer, Berlin / Heidelberg / New York 2004, ISBN 3-540-06512-1 , pp. 74–81 (English, limited preview in Google Book Search).
- JH Hemsley: Vismianthus . In: Flora of Tropical East Africa , 1956, online