Raphidiocystis Hook.f.

First published in G.Bentham & J.D.Hooker, Gen. Pl. 1: 828 (1867)
This genus is accepted
The native range of this genus is Tropical Africa, Madagascar.

Descriptions

Cucurbitaceae, C. Jeffrey. Flora Zambesiaca 4. 1978

Morphology General Habit
Scandent herbs.
Morphology Leaves
Leaves simple, petiolate.
Morphology General Tendrils
Tendrils simple.
Morphology Reproductive morphology Inflorescences Bracts
Probracts present.
Morphology Reproductive morphology Flowers Receptacle
Receptacle-tube short, obconic-campanulate; lobes lanceolate to broadly foliaceous, often pinnately divided into narrow or ± expanded often deflexed lobes.
Morphology Reproductive morphology Flowers Corolla
Corolla gamopetalous, 5-lobed, lobes entire.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 3, all two-thecous; filaments inserted on upper part of receptacle-tube; thecae flexuous.
Morphology Reproductive morphology Flowers
Female flowers fewer than male and coaxillary with them; perianth similar to that of male flower, the receptacle-lobes usually smaller and less divided; ovary densely setose; ovules many, horizontal; stigma 3-lobed. Male flowers in sessile axillary fascicles, bracteate. Flowers yellow, monoecious.
Morphology Reproductive morphology Fruits
Fruit subglobose to ellipsoid-cylindrical, fleshy, densely echinate with multicellular brownish setae, dehiscent by 10 apical valves and extruding seeds and placentae.
Morphology Reproductive morphology Seeds
Seeds asymmetrically broadly ovate in outline, compressed; testa smooth, bordered.
[FZ]

Cucurbitaceae, C. Jeffrey. Flora of Tropical East Africa. 1967

Morphology General Habit
Small to rather large climbers
Morphology Leaves
Leaves simple
Morphology General Tendrils
Tendrils simple
Morphology Reproductive morphology Inflorescences Bracts
Probracts present
Morphology Reproductive morphology Flowers
Flowers monoecious, of medium size, orange-yellow Male flowers clustered; receptacle-tube short; lobes pinnately divided; corolla distinctly gamopetalous, the lobes entire; stamens 3, all 2-thecous; thecae triplicate Female flowers clustered, often coaxillary with ♂; ovary densely setose; ovules many, horizontal; receptacle-lobes usually pinnately divided; stigma 3-lobed
sex Male
Male flowers clustered; receptacle-tube short; lobes pinnately divided; corolla distinctly gamopetalous, the lobes entire; stamens 3, all 2-thecous; thecae triplicate
sex Female
Female flowers clustered, often coaxillary with ♂; ovary densely setose; ovules many, horizontal; receptacle-lobes usually pinnately divided; stigma 3-lobed
Morphology Reproductive morphology Fruits
Fruits fleshy, thin-walled, densely echinate with slender reddish-brown multicellular pointed setae, dehiscing into 10 longitudinal valves and extruding the seed-bearing placentas at the apex
Morphology Reproductive morphology Seeds
Seeds small, asymmetrically and broadly ovate in outline, compressed, lenticular; testa smooth
Figures
Fig. 7, p. 54.
[FTEA]

Sources

  • Flora Zambesiaca

    • Flora Zambesiaca
    • 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
  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2023. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2022 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 2023. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2022 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0