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

[FZ]

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

Morphology Reproductive morphology Fruits
Fruit a many-seeded berry with or without sclerified pericarp; pulp sweet and acid.
Morphology Reproductive morphology Seeds
Seeds endospermous, testa firmly united with the placental pulp.
Morphology General Habit
Lianes, shrubs and suffrutices, tendrillous or rarely lacking tendrils (not in F.Z. area).
Morphology General Exudate
Latex present in all parts, often abundant.
Morphology General Spines
Spines absent.
Morphology Leaves Stipules
Stipules absent.
Morphology Reproductive morphology Inflorescences
Cymes terminal and/or axillary, often grouped into terminal panicles, peduncle usually short.
Morphology Reproductive morphology Flowers Calyx
Calyx lobes imbricate, free or shortly united at the base.
Morphology Reproductive morphology Flowers Corolla
Corolla hypocrateriform, glabrous or variously hairy; tube ± cylindrical, slightly enlarged at level of anthers; lobes broadly elliptic to narrowly linear, contorted, overlapping to the left.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens inserted at various levels in the corolla tube; filaments very short; anthers dorsi- or basi-fixed, introrse, without carina.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary glabrous or hairy, uni-or bilocular, placentation axile or parietal with very prominent placentae, ovules ∞.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Style glabrous or pilose; clavuncle always positioned at level of base of anthers, of various shapes; stigma bifid but with the arms connivent.

[FSOM]

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

Morphology General Habit
Lianas, shrubs and subshrubs, usually with tendrils; latex white
Morphology Leaves
Leaves opposite
Morphology Reproductive morphology Inflorescences
Flowers in terminal and/or axillary cymes that are often grouped into dense terminal panicles
Morphology Reproductive morphology Flowers Corolla
Corolla salver-shaped; lobes overlapping to the left in bud
Morphology Reproductive morphology Flowers Corona
Corona absent
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens inserted at various levels in the corolla-tube; anthers not keeled
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary glabrous or hairy, 1- or 2-celled; ovules numerous
Morphology Reproductive morphology Flowers Gynoecium Style
Style with globose to cylindrical head
Morphology Reproductive morphology Fruits
Fruit a many-seeded berry.
Distribution
Genus of over 60 species in Africa and Madagascar.

[FTEA]

Apocynaceae, E.A. Omino. Flora of Tropical East Africa. 2002

Morphology General Habit
Lianas, rarely sarmentose shrubs with long curled tendrils, branched at the very tip; latex present in all parts, often abundant; stipules absent
Morphology Leaves
Leaves opposite; petiole often alternating with one or several pairs of bracts
Morphology Reproductive morphology Inflorescences
Inflorescence terminal and/or axillary, sometimes tendril-like, a lax to dense cyme
Morphology Reproductive morphology Flowers
Flowers 5-merous, fragrant
Morphology Reproductive morphology Flowers Calyx
Sepals imbricate, free or shortly united at the base
Morphology Reproductive morphology Flowers Corolla
Corolla variously coloured; tube cylindrical, slightly enlarged at the level of the anthers, thickened above the anthers; lobes broadly elliptic to narrowly linear, contorted, overlapping to the left
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens included, free from each other and from pistil head; filaments very short
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary glabrous or hairy; ovules numerous; style terete, stigma bifid, subtended by a clavuncula positioned at the level of the base of the anthers
Morphology Reproductive morphology Fruits
Fruit a many-seeded indehiscent berry with or without a sclerified pericarp; pulp sweet and acid
Morphology Reproductive morphology Seeds
Seeds many, endospermous.

[FZ]

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

Morphology General Habit
Tendrillous lianes.
Morphology General Exudate
Latex present, sometimes abundant.
Morphology General Spines
Spines absent.
Morphology Leaves Stipules
Stipules absent.
Morphology Reproductive morphology Inflorescences
Cymes both terminal and axillary (in F.Z. area) or only axillary.
Morphology Reproductive morphology Flowers Calyx
Calyx lobes imbricate, free to base.
Morphology Reproductive morphology Flowers Corolla
Corolla hypocrateriform; tube ± cylindrical, dilated or not at level of anthers, sometimes hairy within; lobes contorted, overlapping to the left, equalling to greatly exceeding the tube, sometimes hairy above at the base, with or without cilia on inner margin.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens inserted at various levels within the corolla tube; anthers often slightly exserted, without carina.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary glabrous or hairy; ovules several-∞; style short, glabrous; clavuncle annular.
Morphology Reproductive morphology Fruits
Fruit a berry with sclerifed pericarp (not in F.Z. area) or without.

Native to:

Angola, Benin, Burkina, Burundi, Cabinda, Cameroon, Central African Repu, Chad, Congo, Equatorial Guinea, Ethiopia, Gabon, Gambia, Ghana, Guinea, Guinea-Bissau, Gulf of Guinea Is., Ivory Coast, Kenya, KwaZulu-Natal, Liberia, Madagascar, Malawi, Mali, Mozambique, Nigeria, Northern Provinces, Rwanda, Senegal, Sierra Leone, Somalia, Sudan, Tanzania, Togo, Uganda, Zambia, Zaïre, Zimbabwe

Introduced into:

Trinidad-Tobago

Landolphia P.Beauv. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Jan 1, 1994 Watts, J. [605], Cameroon K000540795
Fay, J.M. [7251], Central African Republic 63288.000
Harris, D.J. [1431], Central African Republic 63377.000
Harris, D.J. [1057], Cameroon 63428.000
Fay, J.M. [8458], Central African Republic 63430.000
Harris, D.J. [1059], Cameroon 63737.000
Cheek, M. [7139], Cameroon K000749717
Johnston, H.H. [2], Cameroon K000028055

First published in Fl. Oware 1: 54 (1806)

Accepted by

  • Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.

Literature

Flora of West Tropical Africa

  • Pichon in Mém. I.F.A.N. 35: 40 (1953). Nom. cons.
  • —F.T.A. 4, 1: 30

Flora Zambesiaca

  • Fl. Oware Bénin 1: 54 (1806), nom. conserv.
  • Pichon in Mém. Inst. Fr. Afr. Noire 35: 40 (1953).

Flora of Somalia

  • Flora Somalia, Vol 3, (2006) Author: by M. Thulin [updated by M. Thulin 2008]
  • Persoon & al. in Wageningen Agric. Univ. Papers 92-2 (1992).

Flora of Tropical East Africa

  • Fl. Owar.1, 6: 54 (1804), nom. conserv.
  • Persoon et al. in Wageningen Agric. Univ. Pap. 92, 2: 6–209 (1992)
  • Pichon in Mém. I.F.A.N. 35: 40 (1953)

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

Flora of Somalia
Flora of Somalia
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

Herbarium Catalogue Specimens

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