Apocynaceae
Landolphia

Landolphia cuneifolia Pichon

First published in Mém. Inst. Franç. Afrique Noire 35: 169 (1953)
This species is accepted
The native range of this species is S. DR Congo to NW. Zambia. It is a scrambling subshrub or shrub and grows primarily in the desert or dry shrubland biome.

Descriptions

Apocynaceae, A. J. M. Leeuwenberg and F. K. Kupicha et al.. Flora Zambesiaca 7:2. 1985

Morphology General Habit
Suffrutex or climbing shrub up to 1 m. (or more?) high.
Morphology Stem
Young stems dark brown, hispid or pubescent.
Morphology Leaves
Upper leaf surface glossy, glabrous except for the hispidulous midrib, midrib deeply impressed, lateral nerves faintly so, tertiary reticulation obscure; lower leaf surface mat, lamina with very sparse scattered hairs, midrib hispidulous; midrib and lateral nerves prominent, reticulation inconspicuous; lamina with irregularly scattered glandular dots, or these sometimes absent. Lateral nerves 7–9-paired. Leaves coriaceous, characteristically yellowish-green; petiole 2–6 mm. long, pubescent; lamina 4·5–8·5 x 0·8–4 cm., elliptic, obovate-elliptic or oblong-elliptic, the apex cuspidate to a well-marked short to moderately long acumen with apex rounded to acute, the base cuneate to obtuse.
Morphology General Tendrils
Tendrils present but uncommon.
Morphology Reproductive morphology Inflorescences
Infloresences all axillary, flowers solitary or in few-flowered sessile fascicles, subtended by sepal-like bracts; flowers white, cream or lemon-yellow.
Morphology Reproductive morphology Flowers Calyx
Calyx c. 2 mm. long, sepals united at base, oblong with truncate apiculate apex, ciliate, hispidulous along the midrib.
Morphology Reproductive morphology Flowers Corolla
Corolla tube c. 8 mm. long, slender, inflated at the apex at level of stamens but the wall not thickened here, externally puberulent in the lower half; corolla lobes c. 11 mm. long, narrowly linear, minutely ciliate, otherwise glabrous.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens inserted in the top 1/4 of the corolla tube, anthers c. 1·5 mm. long.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary c. 1·5 mm. long, narrowly conical, apically pubescent; style, clavuncle and stigma c. 5·5 mm. long.
Morphology Reproductive morphology Fruits
Fruit spherical, c. 2·5 cm. in diameter when ripe; immature fruit bright green with purple markings at the base.
[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: threatened. Confidence: confident
[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

  • 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