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This genus is accepted, and its native range is Tropical Africa, Arabian Peninsula, India, Sri Lanka, Myanmar.
A specimen from Kew's Herbarium

[FTEA]

Apocynaceae (part 2), David Goyder, Timothy Harris, Siro Masinde, Ulrich Meve, Johan Venter. Flora of Tropical East Africa, 2012

Morphology General Habit
Erect, stem-succulent perennials.
Morphology General Exudate
Latex clear or at most cloudy.
Morphology Stem
Stems heteromorphic, with basal sections cylindrical, roundly or sharply 4-angled, green, blue-green or light brown, and apical sections tapering, often much elongated
Morphology Leaves
Leaves reduced to scales, opposite and decussate, sessile, caducuous; stipules reduced to a few trichomes.
Morphology Reproductive morphology Inflorescences
Inflorescences along the apical tapering sections (synflorescence stalks), 1–4-flowered, bostrychoid, sessile
Morphology Reproductive morphology Flowers
Flowers subsessile or petiolate, inodorous or foetid
Morphology Reproductive morphology Flowers Corolla
Corolla rotate, apopetalous or corolla lobes basally fused, adaxially uniformly coloured or maculate, banded or reticulate, glabrous, papillose or with verrucose trichomes, lobes mostly strongly replicate along midrib, margins glabrous or ciliate
Morphology Reproductive morphology Flowers Corona
Corolline corona absent Gynostegial corona in 2 series: “outer” corona of 5 staminal and 5 interstaminal parts fused basally or up to half of length, cyathiform or rotate; interstaminal corona lobes subulate to deltoid, often bilobed filiform; “inner” corona of ovoid or trianguloid staminal lobes, erect or inflexed
Morphology Reproductive morphology Flowers Gynostegium
Gynostegium sessile or seated on a stalk
Morphology Reproductive morphology Flowers Pollinia
Pollinia ovoid or transversely rectangular; caudicles rectangular. Mericarps two, narrowly oblong
Morphology Reproductive morphology Seeds
Seeds ovate, broadly winged, brownish.

[FSOM]

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

Morphology General Habit
Succulent herbs; stems ascending to erect, rarely suckering, usually 4-angled, the angles sharp or rounded, toothed, tapering to a slender flower-bearing portion at the tip or rarely stem with blunt tip from which 1–3 slender flower-bearing branches are produced; latex clear
Morphology Leaves
Leaves scale-like, usually soon deciduous
Morphology Reproductive morphology Flowers
Flowers in 1–many-flowered clusters forming false racemes along elongated apical stem portions, opening successively
Morphology Reproductive morphology Flowers Calyx
Sepals usually triangular, acute
Morphology Reproductive morphology Flowers Corolla
Corolla rotate to campanulate, sometimes deeply divided; lobes sometimes with marginal or apical versatile hairs
Morphology Reproductive morphology Flowers Corona
Corona gynostegial; outer corona usually 5-lobed, each lobe usually divided into 2 horns; inner corona incumbent on anthers
Morphology Reproductive morphology Fruits
Follicles usually slender, erect or widely divergent
Morphology Reproductive morphology Seeds
Seeds with a tuft of hairs at one end.
Distribution
About 30 species in western, northern and eastern Africa, Arabian Peninsula, Pakistan and India.

Native to:

Benin, Burkina, Djibouti, Equatorial Guinea, Eritrea, Ethiopia, Ghana, India, Kenya, Mali, Mauritania, Myanmar, Niger, Nigeria, Saudi Arabia, Senegal, Somalia, Sri Lanka, Sudan, Tanzania, Uganda, Yemen

Caralluma R.Br. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Sudan 1013.000
South Africa 1892.000
South Africa 1895.000
Drummond [2361], Tanzania 29047.012
Gillett, J.B. [12634] 29842.000
Norman, E.M. [307], Uganda 30692.000
Gloves [2672], Kenya 30789.000
Gillett, J.B. [14149] 31183.000
Tweedie, E.M. [1682], Tanzania 31189.000
Gillett, J.B. [13782], Kenya 31278.000
Madaughlin [Bally S 100] 31629.000
Wilson [16] 33204.000
Greenway, P.S. 33226.000
Wilson [1319] 33345.000
Pillans, N.S. [51], South Africa 3965.000
Tanzania 3966.000
Wood, J.R.I. [2332], Yemen 40761.000
Collenette, I.S. [2618], Saudi Arabia 45754.000
Zimbabwe 5297.000
Plowes [501], Morocco 54783.000
Jonkers, H.A. [20], Oman 57146.000
Jonkers, H.A. [34], Oman 57147.000
Jonkers, H.A. [2], Oman 57148.000
Jonkers, H.A. [23], Oman 57149.000
Jonkers, H.A. [31], Oman 57150.000
Jonkers, H.A. [38], Oman 57151.000
Jonkers, H.A. [20], Oman 57152.000
Jonkers, H.A. [20-22], Oman 57153.000
Jonkers, H.A. [1], Oman 57154.000
Jonkers, H.A. [23], Oman 57158.000
Jonkers, H.A. [203], Oman 57160.000
Jonkers, H.A. [34], Oman 57164.000
Jonkers, H.A. [76], Oman 57165.000
Jonkers, H.A. [34], Oman 57167.000
Jonkers, H.A. [3], Oman 57169.000
Jonkers, H.A. [28], Oman 57172.000
Jonkers, H.A. [42], Oman 57175.000
Jonkers, H.A. [30], Oman 57178.000
Jonkers, H.A. [47], Oman 57180.000
Jonkers, H.A. [5], Oman 57185.000
Jonkers, H.A. [2], Oman 57187.000
Bally [B 12204], Kenya 58592.000
Lamb, B. [L/3090], Kenya 58617.000
Bally [B 11698] 59421.000
Eggeling, W.G. [4043], Uganda 8033.000

First published in Asclepiadeae: 14 (1810)

Accepted by

  • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.

Literature

Flora of Somalia

  • Flora Somalia, Vol 3, (2006) Author: by J. Lavranos [updated by M. Thulin 2008]
  • Gilbert in Bradleya 8: 1–32 (1990)
  • Meve & Liede in Plant Syst. Evol. 234: 171–209 (2002).
  • Plowes in Haseltonia 3: 49–70 (1995)

Flora of Tropical East Africa

  • Asclepiadeae: 14 (1810)
  • Mem. Wern. Nat. Hist. Soc. 1: 25 (1811)
  • Meve, Pl. Syst. Evol. 234: 195 (2002)

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