Chasmanthera Hochst.

First published in Flora 27: 21 (1844)
This genus is accepted
The native range of this genus is Tropical Africa.

Descriptions

Menispermaceae, G. Troupin. Flora Zambesiaca 1:1. 1960

Morphology General Habit
Liane with verrucose bark.
Morphology Leaves
Leaves simple, with long petioles, suborbicular-subangular, densely hairy; nerves palmate.
Morphology Reproductive morphology Inflorescences
Male inflorescences of false racemes of 3–5-flowered cymules; bracts filiform, persistent. Female inflorescences of pendulous racemes.
Morphology Reproductive morphology Flowers
Female flowers with sepals and petals similar to those of the male, sometimes larger; staminodes 6, small, elongate; carpels 3, subovoid, narrowed into a short style; stigma membranous, recurved, longitudinally cleft. Male flowers with 6–9 sepals, the 3 outer bract-like and hairy, the 3–6 inner larger, membranous to papyraceous, concave, pubescent outside; petals 6, fleshy, ribbed inside; stamens 6, erect, with long connate filaments; anther-thecae with longitudinal dehiscence.
Morphology Reproductive morphology Fruits
Drupelets 3, ellipsoid and unequal-sided, apiculate; exocarp coriaceous; endocarp with a dorsal, median, slightly tuberculate ridge and 3 apical teeth, and 2 ventral narrow marginal wings.
Morphology Reproductive morphology Seeds
Seeds with ruminate endosperm.
[FZ]

Menispermaceae, G. Troupin. Flora of Tropical East Africa. 1956

Morphology General Habit
Liane with verrucose bark
Morphology Leaves
Leaves simple, longly petiolate, suborbicular-subangular, densely hairy; nerves palmate
sex Male
Male flowers with 6–9 sepals, the 3 outer bract-like and hairy, the 3–6 inner larger, membranous to papery, concave, pubescent outside; petals 6, fleshy, ribbed inside; stamens 6, erect, with longly connate filaments; anther-thecae with longitudinal dehiscence Male inflorescences of false racemes of 3–5-flowered cymules; bracts filiform, persistent
Morphology Reproductive morphology Inflorescences
Female inflorescences of pendulous racemes Male inflorescences of false racemes of 3–5-flowered cymules; bracts filiform, persistent
Morphology Reproductive morphology Flowers
Female flowers with sepals and petals similar to those of the ♂, sometimes larger; staminodes 6, small, elongate; carpels 3, subovoid, narrowed into a short style; stigma membranous, recurved, longitudinally cleft Male flowers with 6–9 sepals, the 3 outer bract-like and hairy, the 3–6 inner larger, membranous to papery, concave, pubescent outside; petals 6, fleshy, ribbed inside; stamens 6, erect, with longly connate filaments; anther-thecae with longitudinal dehiscence
sex Female
Female flowers with sepals and petals similar to those of the ♂, sometimes larger; staminodes 6, small, elongate; carpels 3, subovoid, narrowed into a short style; stigma membranous, recurved, longitudinally cleft Female inflorescences of pendulous racemes
Morphology Reproductive morphology Fruits
Drupes 3, ellipsoid and unequal-sided, apiculate; exocarp coriaceous; endocarp on its dorsal side with a median slightly tuberculate ridge and 3 apical teeth, on its ventral side with 2 narrow marginal wings
Morphology Reproductive morphology Seeds
Seeds with ruminate endosperm.
[FTEA]

M. Thulin et al. Flora of Somalia, Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Morphology General Habit
Woody climbers or lianes
Morphology Leaves
Leaves entire, suborbicular, hairy, palmately veined
Morphology Reproductive morphology Inflorescences
Male flowers in 3–5-flowered cymes arranged in raceme-like hanging inflorescences; bracts filiform, persistent; sepals 6–9, the 3 outer bract-like, the 3–6 inner larger; petals 6; stamens 6, united
Morphology Reproductive morphology Flowers
Female flowers in hanging racemes; sepals and petals as in male flowers; staminodes 6; carpels 3
Morphology Reproductive morphology Fruits
Drupes ellipsoid, apiculate; endocarp on its dorsal side with a median slightly tuberculate ridge and 3 apical teeth, on its ventral side with 2 narrow marginal wings.
Distribution
Genus of three species in tropical Africa.
[FSOM]

Sources

  • Flora Zambesiaca

    • Flora Zambesiaca
    • http://creativecommons.org/licenses/by-nc-sa/3.0
  • Flora of Somalia

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

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

    • 'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0
  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0