Family:
Alismataceae Vent.

Ranalisma Stapf

This genus is accepted, and its native range is Tropical Africa, S. China to Peninsula Malaysia.

[FTEA]

Alismataceae, Susan Carter. Flora of Tropical East Africa. 1960

Morphology General Habit
Perennial stoloniferous glabrous marsh herbs
Morphology Leaves
Leaves erect, or spreading; leaf-blade ovate to linear-lanceolate; base cordate to cuneate
Morphology Reproductive morphology Inflorescences
Inflorescence pseudo-umbellate, 1–3-flowered with 2 membranous bracts; flowers sometimes replaced by vegetative buds—the peduncle bends over stolon-like and the buds develop into new plants
Morphology Reproductive morphology Flowers
Flowers bisexual
Morphology Reproductive morphology Flowers Calyx
Sepals 3, reflexed in the fruiting stage
Morphology Reproductive morphology Flowers Corolla
Petals 3, larger than the sepals, white
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens (6–)9(–12); filaments filiform
Morphology Reproductive morphology Flowers Gynoecium Carpels
Carpels ∞, free on a convex receptacle; styles terminal, hooked; ovules solitary, basal
Morphology Reproductive morphology Fruits
Fruit a globose head of achenes spirally arranged on the elongated receptacle; achenes strongly compressed laterally, glandular, winged, with a terminal beak formed by the remains of the style.

Native to:

Angola, Cameroon, Central African Repu, Chad, China Southeast, Congo, Gabon, Hainan, Malaya, Mali, Mauritania, Niger, Nigeria, Senegal, Sudan, Tanzania, Vietnam, Zambia, Zaïre, Zimbabwe

Ranalisma Stapf appears in other Kew resources:

First published in Hooker's Icon. Pl. 27: t. 2652 (1900)

Accepted by

  • Govaerts, R.H.A. (2011). World checklist of selected plant families published update Facilitated by the Trustees of the Royal Botanic Gardens, Kew.

Literature

Flora of West Tropical Africa

  • in Hook., Ic. Pl. t. 2652 (1900).

Flora of Tropical East Africa

  • in Hook., Ic. Pl. 27: t. 2652 (1900)

  • Flora of Tropical East Africa

    Flora of Tropical East Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

  • Kew Backbone Distributions

    The International Plant Names Index and World Checklist of Selected Plant Families 2022. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

  • Kew Names and Taxonomic Backbone

    The International Plant Names Index and World Checklist of Selected Plant Families 2022. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0