The flowering plants of Africa / An analytical key to the genera of African phanerograms

by Franz Thonner

ZYGOPHYLLACEAE.

FLOW. PL. AFR.

Pl. 72.

J. Fleischmann del.

Balanites aegyptiaca Del.

A Branch with flowers and young fruits. B Part of branch with spines. C Flower cut lengthwise. D Ovary and disc cut lengthwise. E Cross-section of ovary. F Fruit. G Fruit cut lengthwise.

Fruit 1-celled. Leaves alternate. Stipule 1.—Species 40. Tropical and South Africa. Some species yield timber or medicaments. (Plate
71.) Erythroxylon P. Browne

[FAMILY 113.] ZYGOPHYLLACEAE

Leaves stipulate. Flowers regular, hermaphrodite, rarely (Neoluederitzia) dioecious. Petals 4-5, free, rarely wanting. Stamens 1-3 times as many as the petals. Filaments usually with an appendage at the base. Anthers attached by the back. Ovary superior, 3-10-celled, lobed, angled or winged. Style simple, rarely (Seetzenia) styles 5.—Genera 12, species 90. (Plate 72.)