Familia Droseraceae

DROSERACEAE

Morphological description

Insectivorous herbs. Sometimes submerged aquatic plants, leaves in whorls (Aldrovanda).

Leaves

Leaves usually in a rosette provided with stalked sticky glands, stipulate.

Inflorescence

Inflorescence a raceme.

Flowers

Flower bisexual, actinomorphic, 5-merous, ovary superior.

Fruit

Fruit.

Seed

Seed.

Different from: Lentibulariaceae: flowers zygomorphic, plants provided with bladders. - Byblidaceae: flowers solitary.

Distribution: The family patchily distributed all over the world, best represented in Australia. In Malesia 2 genera: Aldrovanda (rare) and Drosera.

Notes: All species are found in oligotrophic habitats.

Literature: C.G.G. J. van Steenis, Fl. Males. I, 4 (1953) 377-381; B.J. Conn, Brun- onia 3 (1980) 209-216.

Spot characters (Van Balgooy): Aldrovanda 46 - Drosera 1.

Illustrations: Fig. 73. Drosera indica L. (left) and Drosera burmanni Vahl (right) (Droseraceae). Reproduced from Flora Malesiana I, 4 (1953) 378, fig. 1.

Image in PhytoImages for Droseraceae

 

 

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