CALLITRICHACEAE
NB Calltrichaceae is a synonym of Plantaginaceae. See for the only genus Callitriche also under Plantaginaceae.
Morphological description
Herbs.
Leaves
Leaves simple, opposite, entire, triplinerved, exstipulate.
Inflorescence
Flowers usually solitary, axillary.
Flowers
Flower unisexual, calyx + corolla absent, ovary superior.
Fruits
Fruit winged.
Different from: Aquatic Scrophulariaceae: leaves penninerved, flowers with calyx and corolla.
Distribution: The only genus of the family, Callitriche is widespread, always in wet localities. In Malesia very rare.
Literature: C.A. Backer, Fl. Males. I, 4 (1951) 251-252; P. van Royen, Alp. Fl. New Guinea 7 (1983) 3129-3132.
Spot characters (Van Balgooy): Callitriche 64, 98.
Illustrations: Fig. 39. Callitriche verna L. (Callitrichaceae). a. Tip of a stem; b-f. ripe fruit (b, c, lateral; d, seen on top; e, f, detached segments; b-f enlarged). Reproduced from Flora Malesiana I, 4 (1951) 252, fig. 1. a e f d b c.
Images in PhytoImages for Plantaginaceae and for Callitriche