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This genus is accepted, and its native range is NE. Tropical Africa.
A specimen from Kew's Herbarium

[FSOM]

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

Morphology General Habit
Prostrate perennial herbs, with indumentum of glandular hairs; stems rooting at the nodes
Morphology Leaves
Leaves entire to distinctly palmately lobed, with spinose-dentate margins, petiolate
Morphology Reproductive morphology Inflorescences
Flowers 1–3 in axillary pedunculate bractate cymes
Morphology Reproductive morphology Flowers Calyx
Sepals ± thin and scarious, the outer 3 larger than the inner 2
Morphology Reproductive morphology Flowers Corolla
Corolla reddish, pinkish or yellowish with darker centre, densely pilose outside
Morphology Reproductive morphology Flowers Pollen
Pollen grains smooth
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary 1-celled, pilose, with 4 ovules; style filiform; stigmas 2, globose
Morphology Reproductive morphology Fruits
Capsule globose, indehiscent, membranous, 1-seeded, pubescent
Morphology Reproductive morphology Seeds
Seed globose, hairy.
Distribution
Genus of two species in Ethiopia and Somalia
Note
Closely related to Merremia.

[FSOM]
Use
The fruits are edible.

Native to:

Ethiopia, Somalia

Hyalocystis Hallier f. appears in other Kew resources:

First published in Annuario Reale Ist. Bot. Roma 7: 227 (1898)

Accepted by

  • Baker, J.G. & A.B. Rendle in Thiselton-Dyer, W.T. et al. (eds.) (1905). Convolvulaceae Flora of Tropical Africa 4(2): 62-206. Secretary of State for the Colonies.
  • Hedberg, I., Kelbessa, E., Edwards, S., Demissew, S. & Persson, E. (eds.) (2006). Flora of Ethiopia and Eritrea 5: 1-690. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
  • Thulin, M. et al. in Thulin, M. (ed.) (2006). Convolvulaceae Flora of Somalia 3: 221-258. The Royal Botanic Gardens, Kew.

Literature

Flora of Somalia

  • Flora Somalia, Vol 3, (2006) Author: by M. Thulin [updated by M. Thulin 2008]

Flora of Somalia
Flora of Somalia
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