Thottea
Thottea sivarajanii
Thottea is a genus of the family of Osterluzeigewächse ( Aristolochiaceae ).
Description
Thottea species are erect subshrubs, rarely also shrubs. The leaves are alternate and entire. The flowers are arranged in axillary and grapes, cymes, screen grapes or coiling. The bracts are opposite with respect to the flowers. The perianth consists of a circle and radial symmetry. The sepals are fused. The calyx tube is bell-shaped, cup-shaped or urn -shaped. You can usually find a thickened ring on her throat. The 3 or 4 sepals touch without overlap. 8 or 9 stamens are arranged in a circle. It can be 6 to 36, rarely be available to 46 stamens. These are arranged in one or two circuits. Stamens are short or absent. They are non- growing, partly fused or fused to the stylus, so that only the anthers are free. The dust bag are curved outwards. The ovary is medium ever. The fruit, leaves are fully grown. The pens are short and consist of 5 to 20 rag. The scar is located at the top or side of the pen. The fruits are pods shaped. The seed coat is punctured transversely wrinkled or glandular.
Occurrence
The genus Thottea occurs in India, Indonesia, Malaysia, Myanmar, Philippines and Vietnam. The type Thottea hainanensis is endemic in China.
System
Thottea was first described in 1783 by Christian Friis Rottbøll. It includes 25 species.