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

[FZ]

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

Morphology General Habit
Perennial herbs with annual stems from woody rootstocks.
Morphology General Indumentum
Vegetative indumentum of short-stalked flagelliform hairs.
Morphology Stem
Stems many, densely leafy, with short internodes, branching above.
Morphology Leaves
Leaves alternate or spirally arranged, opposite or whorled, sessile to shortly petiolate, felted-tomentose, sparsely pilose or glabrescent, glandular-punctate.
Morphology Reproductive morphology Inflorescences Capitulum
Capitula homogamous, numerous, in lax or ± dense clusters at the ends of branches, or the capitulum-clusters arranged in a large corymbiform cyme, occasionally the capitula somewhat scorpioidly arranged.
Morphology Reproductive morphology Inflorescences Bracts Involucre
Involucres campanulate to subglobose, florets exserted; phyllaries several-seriate, progressively larger to the inside.
Morphology Reproductive morphology Flowers Receptacle
Receptacle flat, shallowly alveolate.
Morphology Reproductive morphology Flowers Corolla
Corollas purple or mauve, darker in the upper half, regularly 5-lobed, lobes lanate or pilose.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers with a broad hyaline apical appendage and short acute tails at the base.
Morphology Reproductive morphology Flowers Gynoecium Style
Style-arms subulate, hairy outside.
Morphology Reproductive morphology Fruits
Achenes obovoid-oblong or turbinate, 4–5-sided and obscurely ribbed on the angles, truncate at the apex, smooth or strongly rugose on the faces between the ribs, glabrous or sparsely setulose, minutely brown gland-dotted.
Morphology Reproductive morphology Seeds
Pappus persistent, of ± united broad shiny scales lacerate on the upper margin, or of scales sometimes free and alternating with paleaceous setae.
Morphology Reproductive morphology Flowers Pollen
Pollen described as triporate, lophate and emicropunctate.

[FTEA]

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

Morphology General Habit
Perennial herbs with annual stems from a woody rootstock; stems many, densely leafy, with flagelliform hairs
Morphology Leaves
Leaves alternate or opposite, glandular-punctate
Morphology Reproductive morphology Inflorescences Capitulum
Capitula homogamous; involucre with several series of phyllaries; receptacle flat
Morphology Reproductive morphology Flowers Corolla
Corolla regularly 5-lobed, with hairy lobes.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers with wide hyaline appendage and short tails.
Morphology Reproductive morphology Flowers Gynoecium Style
Style branches subulate, hairy on outside
Morphology Reproductive morphology Fruits
Achenes 4–5-angled, truncate at apex, glandular; pappus of lacerate scales or of alternating scales and setae.

Native to:

Malawi, Tanzania, Zambia, Zaïre

Ageratinastrum Mattf. appears in other Kew resources:

First published in Notizbl. Bot. Gart. Berlin-Dahlem 11: 412 (1932)

Accepted by

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

Literature

Flora Zambesiaca

  • C. Jeffrey in Kew Bull.43: 270–271 (1988).
  • Wild & G.V. Pope in Kirkia 10: 326, 357 (1977).
  • in Notizbl. Bot. Gart. Berl.11: 412 (1932).

Flora of Tropical East Africa

  • C. Jeffrey in K.B. 43: 270 (1988)
  • G.V. Pope in F.Z. 6: 180 (1992)
  • K. Bremer, Asteraceae Clad. & Class.: 216 (1994)
  • in N.B.G.B. 11: 412 (1932)

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

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