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

[FWTA]

Compositae, C. D. Adams. Flora of West Tropical Africa 2. 1963

Morphology Reproductive morphology Flowers
Flower-heads in dense rounded clusters
Morphology Reproductive morphology Flowers Florets
Florets bluish-mauve.
Morphology General Habit
A shrub about 12 ft. high

[FWTA]

Compositae, C. D. Adams. Flora of West Tropical Africa 2. 1963

Morphology General Habit
A shrub or small soft-wooded tree 10-20 ft. high
Morphology Reproductive morphology Inflorescences
Numerous small heads of white florets in dense terminal corymbose panicles.

[FTEA]

Compositae, H. Beentje, C. Jeffrey & D.J.N. Hind. Flora of Tropical East Africa. 2005

Morphology General Habit
Shrub or small tree, sometimes a woody herb, 1.5-6 m tall; stems few to many, branches lax, at first densely crispate-tomentose with simple or incipiently asymmetrically T-shaped hairs, granulose-glandular, later developing projecting lenticels and grey bark.
Morphology Leaves
Leaves petiolate or especially the upper sessile, elliptic or ovate, 11-50 cm long, 2.5-23 cm wide, base cordate or rarely rounded, sometimes attenuate in sessile leaves, margins serrate or coarsely so with apiculate teeth, apex acute (rarely obtuse), thinly shortly pubescent and glabrescent above, thinly pubescent to densely whitish-tomentose beneath; petioles up to 8 cm long, sometimes with a narrow wing, often with suborbicular auricles at the base.
Morphology Reproductive morphology Inflorescences Capitulum
Capitula numerous in very large compound thyrsoid cymes; stalks of individual capitula densely tomentose; involucre narrowly ovoid-cylindrical or narrowly cylindrical, 3.5-7 mm long; phyllaries 3-6-seriate, appressed but later spreading and the inner becoming caducous, green, ± pubescent, the inner sometimes tinged purplish at the apex, ovate, broadly ovate or elliptic, subacute or rounded, minutely apiculate, the inner acute to obtuse, 4-6.8 mm long.
Morphology Reproductive morphology Flowers Florets
Florets 2-6 per capitulum; corolla scented, mauve or purplish, fading to white when old, 6-10 mm long, lobes 2-3 mm long, glabrous.
Morphology Reproductive morphology Fruits
Achenes subcylindric, 2.5-4.3 mm long, strongly 10-ribbed, ascending-pubescent or glabrous except at the base; outer pappus of inconspicuous narrow scales 0.2-1.7 mm long, inner pappus white, 5-8 mm long.
Figures
Fig. 41/6-8, p. 197.
Habitat
Evergreen forest clearings and margins, riverine forest, tall grassland and in cultivated areas; 850-2400 m
Distribution
widespread in tropical Africa from Sierra Leone to Sudan and Ethiopia to South Africa K3 K4/K6 K5 K7 T2 T3 T4 T5 T6 T7 T8 U1 U2

[FZ]

Compositae, G. V. Pope. Flora Zambesiaca 6:1. 1992

Morphology General Habit
A spreading shrub 1.5–6 m. tall.
Morphology Stem
Stems few to many, stout; branches lax, ± angular when young, often sparsely tuberculate-lenticellate, pubescent to tawny-tomentose, occasionally glabrescent, granulose-glandular; indumentum of flagelliform hairs.
Morphology Leaves
Leaves petiolate, occasionally sessile; petiole up to c. 7 cm. long, sometimes very narrowly-winged, sometimes with suborbicular stipule-like structures at the base, pubescent to tomentose; lamina up to 40 x 15 cm. and oblong-elliptic to broadly lanceolate, or up to c. 30 x 20 cm. and ovate, apex subacute to obtuse, base ± asymmetrically cordate or auriculate, sometimes broadly cuneate to attenuate in sessile leaves, with or without basal auricles, margins irregularly serrate to coarsely serrate-dentate with callose-tipped teeth, upper surface sparsely pubescent, lower surface densely grey-green pubescent to sericeous-tomentose, sometimes glabrous on both surfaces.
Morphology Reproductive morphology Inflorescences Capitulum
Capitula small and very numerous, in many subglobose clusters paniculately arranged; capitula subsessile.
Morphology Reproductive morphology Inflorescences Bracts Involucre
Involucres 5–7 x 2.5(5) mm., subcylindric becoming narrowly obconic.
Morphology Reproductive morphology Inflorescences Bracts Phyllaries
Phyllaries many-seriate, closely imbricate at first, scarious, becoming caducous, inner ones falling in fruit, mostly glabrous, finely ciliate and narrowly hyaline on the margins; outer phyllaries up to c. 1 mm. long, triangular-ovate; the inner up to c. 6 mm. long, narrowly oblong-elliptic, rounded to subacute at apex.
Morphology Reproductive morphology Flowers Florets
Florets 2–6 per capitulum, corollas whitish or pale-mauve to purple, c. 7 mm. long, funnel-shaped.
Morphology Reproductive morphology Fruits
Achenes 3–4 mm. long, subcylindric, tapering to base, narrowly c. 8-ribbed, thinly hispid; outer pappus of short flattened barbellate setae, inner of white barbellate setae c. 6 mm. long.

[FWTA]

Compositae, C. D. Adams. Flora of West Tropical Africa 2. 1963

Morphology General Habit
A shrub or small tree 15-20 ft. high
Morphology Reproductive morphology Flowers Florets
Mauve florets in numerous flower-heads each about 1/2 in. long
Ecology
In clearings of upland forest.

Native to:

Angola, Cameroon, Ethiopia, Gulf of Guinea Is., Ivory Coast, Kenya, KwaZulu-Natal, Malawi, Mozambique, Northern Provinces, Sierra Leone, Sudan, Swaziland, Tanzania, Uganda, Zambia, Zaïre, Zimbabwe

Gymnanthemum myrianthum (Hook.f.) H.Rob. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Dec 1, 2008 Harvey, Y.B. [315], Cameroon Vernonia myriantha K000518709
Feb 1, 2008 Simon, G. [1128], Tanzania Vernonia myriantha K000438257
Jan 1, 2008 Simon, G. [1190], Tanzania Vernonia myriantha K000438537
Jan 1, 2008 Gobbo, G. [802], Tanzania Vernonia myriantha K000438538
Aug 1, 2001 Petit, Ethiopia Vernonia myriantha K000272949
Jul 1, 2001 Cheek, M. [9565], Cameroon Vernonia myriantha K000108742
Dec 1, 1987 Meller, C.J. [s.n.], Malawi Vernonia myriantha K000273060
Mann [622] Vernonia myriantha K000272852
Mann [622] Vernonia myriantha K000272853
Mann, G. [1936], Cameroon Vernonia myriantha K000272888
Mann, G. [1913], Cameroon Vernonia myriantha K000272889
Kayombo, C.J. [841], Tanzania Vernonia myriantha K000612923
Mwangulango, N.A. [1307], Tanzania Vernonia myriantha K000612939
Ash [1514], Ethiopia Vernonia stipulacea 35683.000
Ash [1851], Ethiopia Vernonia stipulacea 35882.000
Ash [724], Ethiopia Vernonia ampla 50679.000
Ash [279], Ethiopia Vernonia ampla 6049.383
Ash [289], Ethiopia Vernonia ampla 9108.016
Lea, J.H. [3004], South Africa Vernonia podocoma K000273279 Unknown type material

First published in Proc. Biol. Soc. Washington 112: 242 (1999)

Accepted by

  • Roskov Y. & al. (eds.) (2018). Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands.

Flora Zambesiaca
Flora Zambesiaca
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

Flora of West Tropical Africa
Flora of West Tropical 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 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