Vitaceae
Cyphostemma

Cyphostemma milleri Wild & R.B.Drumm.

First published in Kirkia 2: 135 (1961)
This species is accepted
The native range of this species is W. Zimbabwe. It is a climbing subshrub and grows primarily in the seasonally dry tropical biome.

Descriptions

Vitaceae, H. Wild and R. B. Drummond. Flora Zambesiaca 2:2. 1966

Morphology General Habit
Climbing herb; stems sparsely pubescent or glabrescent; tendrils present.
Morphology Leaves
Leaves digitately 3–5-foliolate; petiole up to 6 cm. long, with a few capitate-glandular hairs; leaflet-lamina membranous, up to 12 × 8 cm., broadly elliptic to rotund, apex acute or obtuse, margins coarsely serrate, base cuneate, glabrous above, glabrous below except for a few glandular hairs on the nerves; petiolules up to 2 cm. long, very sparsely glandular; stipules up to 8 mm. long, narrowly lanceolate, falcate, puberulous.
Morphology Reproductive morphology Inflorescences
Cymes on short side-branches, lax; peduncle up to 5 cm. long, sparsely pubescent; pedicels up to 6 mm. long, pubescent and with capitate-glandular hairs; bracts and bracteoles c. 1 mm. long, subulate, pubescent.
Morphology General Buds
Flower-bud c. 2·5 mm. long, oblong-cylindric, constricted near the middle, pubescent and with capitate-glandular hairs near the apex.
Morphology Reproductive morphology Flowers Calyx
Calyx 0·5 mm. long, sub-entire, pubescent.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary glabrous; style c. 0·8 mm. long; stigma indistinct.
Morphology Reproductive morphology Fruits
Fruit yellow, c. 9 × 7 mm., ellipsoid, glabrous.
Morphology Reproductive morphology Seeds
Seed 1, c. 7 × 5 mm., obovoid, slightly rugose.
[FZ]

Extinction risk predictions for the world's flowering plants to support their conservation (2024). Bachman, S.P., Brown, M.J.M., Leão, T.C.C., Lughadha, E.N., Walker, B.E. https://nph.onlinelibrary.wiley.com/doi/full/10.1111/nph.19592

Conservation
Predicted extinction risk: not threatened. Confidence: low confidence
[AERP]

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0

  • Flora Zambesiaca

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

  • Herbarium Catalogue Specimens

    • Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

  • 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