Gomphocarpus swynnertonii (S.Moore) Goyder & Nicholas

This species is accepted, and its native range is Congo to W. & S. Tanzania to S. Tropical Africa.

[FTEA]

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

Morphology General Habit
Perennial herb arising from stout woody taproot.
Morphology Stem
Stems erect, few to many, 10–40 cm long, unbranched, with a dense indumentum of spreading white hairs, or indumentum occasionally restricted to weak vertical bands
Morphology Leaves
Leaves opposite, sessile or subsessile, ovate, 1.5–5.5(–8) × 0.7–3 cm, acute, slightly cordate at the base, margins slightly revolute at least when dry, glabrous except for the minutely scabrid marginal vein.
Morphology Reproductive morphology Inflorescences
Inflorescences extra-axillary with 6–13 flowers in a nodding umbel.
Morphology Reproductive morphology Inflorescences Peduncles
Peduncles 2–4.5 cm long, generally longer than the subtending leaf, pubescent.
Morphology Reproductive morphology Inflorescences Bracts
Bracts 5–10 mm long, filiform or occasionally broader, ciliate.
Morphology Reproductive morphology Flowers Pedicel
Pedicels 10–23 mm long, slender, pubescent
Morphology Reproductive morphology Flowers Calyx
Calyx lobes ovate or oblong, 3–6 × 1.5–2 mm, apex acute to rounded, margins ciliate or not
Morphology Reproductive morphology Flowers Corolla
Corolla united at the base for 0.5–1 mm, yellow or greenish yellow, sometimes tinged brownish purple, glabrous or minutely papillate towards base; lobes spreading to reflexed, ovate or elliptic, (4–)5–8 × (2–)3–5 mm, acute
Morphology Reproductive morphology Flowers Corona
Corona lobes attached ± 1 mm above base of staminal column, laterally compressed, complicate above, solid below line from point of attachment to column to distal end of upper margin, quadrate, 2–4 × 2–3 mm, upper margins ± level with top of column, straight or sometimes weakly toothed at about the middle, produced into a pair of teeth at the proximal end ± reaching head of column, lower margin spreading or ascending.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anther wings ± 2 × 0.5 mm; anther appendages ± 1 × 1 mm, broadly ovate, obtuse, inflexed over apex of stylar head; corpusculum black, subcylindrical, 0.4 mm long with narrow translucent flanges running up sides from attachment of translator arms; translator arms ± 0.3 mm long, broadened gradually to attachment of pollinium.
Morphology Reproductive morphology Flowers Pollinia
Pollinia obovate, ± 1.2 × 0.5 mm
Morphology Reproductive morphology Fruits
Follicles fusiform or lanceolate in outline, 6–9 × 1.5–2 cm, pubescent, usually only one of the pair developing; fruiting pedicel contorted to hold follicle erect
Morphology Reproductive morphology Seeds
Seeds suborbicular, 5–6 × 4–5 mm, with a convoluted margin and a darker verrucose disc; coma ± 3 cm long
Figures
Fig 103/10, p 424
Ecology
Montane, fire-prone grassland and open Protea bushland; (1000–)1600–2400 m
Distribution
Flora districts: T4 T7 T8 Range: From Angola in the west, through the Shaba plateaus of Congo-Kinshasa, to the highlands of S Tanzania, Malawi, Zimbabwe and neighbouring territories

Native to:

Angola, Congo, Gabon, Malawi, Mozambique, Tanzania, Zambia, Zaïre, Zimbabwe

Gomphocarpus swynnertonii (S.Moore) Goyder & Nicholas appears in other Kew resources:

Date Reference Identified As Barcode Type Status Has image?
Wild, H. [1413], Zimbabwe 3940.000 No
Goyder, D.J. [3805], Tanzania 59818.000 No
Stolz, A. [105], Tanzania K000234584 isotype Yes
Stolz, A. [105], Tanzania K000234585 Yes

First published in Kew Bull. 56: 810 (2001)

Accepted by

  • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
  • Govaerts, R. (2003). World Checklist of Seed Plants Database in ACCESS G: 1-40325.
  • Goyder, D.J., Gilbert, M.G. & Venter, H.J.T. (2020). Flora Zambesiaca 7(3): 1-375. Royal Botanic Gardens, Kew.
  • Goyder, S., Harris, T., Masinde, S., Meve, U. & Venter, J. (2012). Flora of Tropical East Africa, Apocynaceae(2): 1-530.
  • Lachenaud, O. (2009). La flore des plantes vasculaires de la République du Congo: nouvelles données Systematics and Geography of Plants 79: 199-214.
  • Walters, G., Dauby, G., Stévart, T., Dessein, S., Niangadouma, R. & Lachenaud, O. (2011). Novitates Gabonenses 80. Additions and corrections to the flora of Gabon Edinburgh Journal of Botany 68: 423-442.

Literature

Kew Backbone Distributions

  • Lachenaud, O. (2009). La flore des plantes vasculaires de la République du Congo: nouvelles données Systematics and Geography of Plants 79: 199-214.
  • Walters, G., Dauby, G., Stévart, T., Dessein, S., Niangadouma, R. & Lachenaud, O. (2011). Novitates Gabonenses 80. Additions and corrections to the flora of Gabon Edinburgh Journal of Botany 68: 423-442.

Flora of Tropical East Africa

  • K.B. 56: 810 (2001).

  • Flora of Tropical East Africa

    Flora of Tropical East Africa
    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 Selected Plant Families 2022. 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 2022. 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