Gomphocarpus praticola (S.Moore) Goyder & Nicholas

This species is accepted, and its native range is W. 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 a stout woody rhizomatous roostock.
Morphology Stem
Stems ascending or erect, 1–3, robust and somewhat fleshy, unbranched, (0.4–)0.6–1 m long, glabrous or rarely with two bands of spreading white hairs along upper parts of stem, glaucous or green
Morphology Leaves
Leaves opposite, held erect, sessile, oblong to elliptic or rarely lanceolate, (5–)6–12(–16) × (1.5–)2–5.5 cm, apex acute or obtuse, base cordate, margins smooth, glabrous, green or glaucous on both surfaces; veins conspicous or obscure
Morphology Reproductive morphology Inflorescences
Inflorescences extra-axillary with 6–15 flowers in a nodding umbel.
Morphology Reproductive morphology Inflorescences Peduncles
Peduncles 1.5–4.7(–7) cm long, usually much shorter than the subtending leaf, glabrous or softly pubescent.
Morphology Reproductive morphology Inflorescences Bracts
Bracts variable in size even within an inflorescence, filiform to elliptic or oblanceolate, 10–35 × 0.2–10(–15) mm, acute or obtuse, green or glaucous, glabrous but sometimes ciliate towards tip.
Morphology Reproductive morphology Flowers Pedicel
Pedicels commonly purple, 2.5–5(18.5) cm long, glabrous or with soft spreading hairs
Morphology Reproductive morphology Flowers Calyx
Calyx lobes elliptic to obovate, rarely linear, 5–17(–27) × (2–)4–10 mm, apex obtuse or rarely acute, glabrous, green, glaucous, purple or brown.
Morphology Reproductive morphology Flowers Corolla
Corolla united at base for ± 3 mm, green or yellow-green with reddish purple markings outside, papillate towards base; lobes strongly reflexed, ovate, (14–)16–35 × 7–15 mm, acute
Morphology Reproductive morphology Flowers Corona
Corona lobes attached 1–2 mm above base of the staminal column, laterally compressed but with the half of the lobe furthest from the column subcylindrical and solid except for the rim, outer margin of lobe drawn in apically towards column, brown or purple with greenish yellow upper margin, (5–)7–12 × (4–)6–9 mm, upper margins generally well above head of staminal column, conspicuously toothed at proximal end and half way along upper margin
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anther wings 3–3.5 × 1 mm, outer margin ± straight or weakly curved; anther appendages broadly ovate, 1–1.5 × 1–1.5 mm, obtuse, inflexed above over apex of stylar head; corpusculum black, ovoid, 0.5 × 0.2 mm, with broad translucent wings extending up sides; translator arms ± 0.7 × 0.15 mm, flattened and generally broader distally.
Morphology Reproductive morphology Flowers Pollinia
Pollinia obovate to oblanceolate, 1–1.6 × 0.5 mm
Morphology Reproductive morphology Fruits
Follicles fusiform, ± 8 × 2 cm, inflated, usually only one of the pair developing, glabrous, glaucous; fruiting pedicel contorted to hold follicle erect
Morphology Reproductive morphology Seeds
Seeds suborbicular, ± 7 × 4.5 mm, with a slightly convoluted, pale and minutely pubescent margin surrounding a verrucose pubescent disc; coma ivory, ± 4 cm long
Figures
Fig 103/8 & 105, pp 424 & 434
Ecology
Grassland or open Brachystegia/ Uapaca woodland on sandy or rocky ground; 1500–2400 m
Distribution
Range: Contiguous upland areas of Zambia, N Malawi, extending westwards through S Congo-Kinshasa into Angola Flora districts: T4

Native to:

Angola, Malawi, Tanzania, Zambia, Zaïre

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

Date Reference Identified As Barcode Type Status Has image?
Milne-Redhead, E. [3380], Malawi 17859.000 No
Milne-Redhead, E. [4231], Angola 17860.000 No
Bullock, A.A. [1877], Tanzania 30453.000 No
Richards, H.M. [11855], Tanzania 30794.000 No
Goyder, D.J. [3601], Malawi 58337.000 No
Goyder, D.J. [3812], Tanzania 59814.000 No

First published in Kew Bull. 56: 815 (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.

Literature

Kew Backbone Distributions

  • Goyder, D.J., Gilbert, M.G. & Venter, H.J.T. (2020). Flora Zambesiaca 7(3): 1-375. Royal Botanic Gardens, Kew.

Flora of Tropical East Africa

  • K.B. 56: 815 (2001), as praticolus.

  • 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 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