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Carter, S. (1960) Alismataceae Flora of Tropical East Africa
Gibbs Russell, G.E. (1977) Keys to Vascular Aquatic Plants in Rhodesia Kirkia 10(2) 411-502
Martins, E.S. & Catarino, L. (2009) Alismataceae Flora Zambesiaca 12(2)
Glabrous, scapose, perennial, aquatic or swamp, herbs (in ours), with latex. Leaves erect, rarely floating or submerged, basal; petiole with an expanded sheathing base. Leaf lamina entire, simple. Inflorescence compound or simple, composed of whorls of branches or flowers; bracts 2 or 3 at the base of each whorl and sometimes several bracteoles. Flowers actinomorphic, bisexual or unisexual. Sepals 3, persistent, herbaceous. Petals 3, rarely 0. Stamens 3,6,9 or more. Carpels superior, 3-many, 1-locular. Fruit a cluster of achenes, arranged either spirally or in a single whorl. Worldwide: 14 genera and 100 species, cosmopolitan, but especially Northern temperate zones. DRC: 0 genera and 0 taxa. |
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