Symoens, J.J., Billiet, F. (1975) Alismataceae Flore d' Afrique Centrale Jardin Botanique National de Belgique
Leaves floating, deeply cordate at base.. Inflorescence compound, pyramidal, consisting of whorls of 3 branches or 3 flowers, subtended by 3 lanceolate bracts and 2 or 3 smaller bracteoles. Flowers bisexual. Sepals 3, spreading. Petals 3. Stamens 6. Carpels 10-15 (in ours). Achenes spirally arranged, spongy. Worldwide: 4 species in the Old World tropics DRC: 1 taxon. |
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| Species | Botanical divisions | Content |
| parnassifolia (L.) Parl. | IV,VI,VII | Description, Image |