ORDER ROSALES
SUBORDER PODOSTEMONINEAE
[FAMILY 93.] PODOSTEMONACEAE
Aquatic herbs resembling mosses or algae. Flowers solitary or in cymes, usually enclosed when young in a spathe, hermaphrodite. Perianth of 2-3 minute scales, rarely larger and 3-parted. Stamens 1-4, hypogynous. Anthers opening by longitudinal slits. Ovary superior, 1-3-celled, with a central placenta. Ovules numerous, sub-sessile, inverted. Fruit capsular. Seeds exalbuminous.—Genera 9, species 25. Tropical and South Africa. (Plate 57.)
PODOSTEMONACEAE.
FLOW. PL. AFR.
Pl. 57.
J. Fleischmann del.
Tristicha alternifolia Tul.