Skip to main content
This genus is accepted, and its native range is Tropical & S. Africa, Madagascar.
A specimen from Kew's Herbarium

[FZ]

Cucurbitaceae, C. Jeffrey. Flora Zambesiaca 4. 1978

Morphology General Habit
Small scandent herbs.
Morphology Leaves
Leaves simple, petiolate.
Morphology General Tendrils
Tendrils simple.
Morphology Reproductive morphology Flowers
Male flowers in few-flowered sessile fascicles, rarely solitary, pedicellate. Flowers small, yellow, monoecious. Female flowers solitary, pedicellate; ovary setose, obscurely tuberculate; ovules numerous, horizontal; perianth as in male flower; staminodes 3, subulate, inserted on the receptacle-tube; disk annular, surrounding base of style; stigma 3-lobed, Fruit ovoid, tuberculate or spiny, setose, green or yellowish, dehiscent by expulsion of seeds from pedicel-scar.
Morphology Reproductive morphology Flowers Receptacle
Receptacle-tube narrowly campanulate, lobes small, filiform.
Morphology Reproductive morphology Flowers Corolla
Corolla-lobes 5, united near the base.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 3, two double 2-thecous, one single 1-thecous; filaments short, inserted on the receptacle-tube, free; anthers free; connective shortly produced; thecae straight.
Morphology Reproductive morphology Flowers Disc
Disk basal, subglobose, free from the receptacle-tube.
Morphology Reproductive morphology Seeds
Seeds ovate in outline, compressed, with broad margins and depressed disk.

[FTEA]

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

Morphology General Habit
Rather small climbers; stems annual, herbaceous
Morphology Leaves
Leaves simple, palmately lobed, petiolate
Morphology General Tendrils
Tendrils simple
Morphology Reproductive morphology Flowers
Flowers small, yellow, monoecious Male flowers in few-flowered sessile groups, pedicellate; receptacle-tube cylindrical-campanulate; lobes small, filiform; petals united below; stamens 3, 2 double 2-thecous, 1 single 1-thecous, shortly inserted on the tube; filaments and anthers free; connective shortly produced apically; thecae straight; disk basal, subglobose, free from the tube Female flowers solitary, stalked; ovary bristly, obscurely tuberculate; ovules many, horizontal; perianth as in ♂ flower; staminodes 3, subulate, inserted on the tube; disk annular, surrounding base of style; stigma 3-lobed
sex Male
Male flowers in few-flowered sessile groups, pedicellate; receptacle-tube cylindrical-campanulate; lobes small, filiform; petals united below; stamens 3, 2 double 2-thecous, 1 single 1-thecous, shortly inserted on the tube; filaments and anthers free; connective shortly produced apically; thecae straight; disk basal, subglobose, free from the tube
sex Female
Female flowers solitary, stalked; ovary bristly, obscurely tuberculate; ovules many, horizontal; perianth as in ♂ flower; staminodes 3, subulate, inserted on the tube; disk annular, surrounding base of style; stigma 3-lobed
Morphology Reproductive morphology Fruits
Fruit rather small, ± ovoid, fleshy, rather firm-walled, bristly-hairy, ornamented with longitudinal rows of bristly tubercles with smaller tubercles interspersed, green or greenish-white when ripe
Morphology Reproductive morphology Seeds
Seeds ± ovate in outline, compressed, with wide margins and depressed disk
Figures
Fig. 17.

Native to:

Angola, Botswana, Burundi, Cameroon, Ethiopia, Gulf of Guinea Is., Kenya, Madagascar, Malawi, Mozambique, Northern Provinces, Rwanda, Sudan, Tanzania, Uganda, Zambia, Zaïre, Zimbabwe

Oreosyce Hook.f. appears in other Kew resources:

First published in D.Oliver & auct. suc. (eds.), Fl. Trop. Afr. 2: 548 (1871)

Accepted by

  • Govaerts, R., Nic Lughadha, E., Black, N., Turner, R. & Paton, A. (2021). The World Checklist of Vascular Plants, a continuously updated resource for exploring global plant diversity. https://doi.org/10.1038/s41597-021-00997-6 Scientific Data 8: 215.

Literature

Flora of West Tropical Africa

  • —F.T.A. 2: 548.

Flora Zambesiaca

  • in F.T.A. 2: 548 (1871).

Flora of Tropical East Africa

  • in F.T.A. 2: 548 (1871)

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 Selected Plant Families 2021. 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 2021. 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