1. Family: Asteraceae Bercht. & J.Presl
    1. Genus: Ageratinastrum Mattf.
      1. Ageratinastrum polyphyllum (Baker) Mattf.

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

    [FTEA]

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

    Habit
    Perennial herb 40–125 cm tall, with several annual, sometimes slightly woody, erect stems from a woody rootstock; rootstock with woody taproot; stems tufted, ascending, branching near apex, rather densely leafy, usually densely tomentose and glandular.
    Leaves
    Leaves alternate, rarely almost whorled, subsessile, overlapping, lanceolate, ovate or elliptic, 1.2–4.5 cm long, 0.4–1.8 cm wide, base cuneate, rounded or cordate into a short petioloid base, obscurely remotely denticulate or subentire, apex acuminate, apiculate, thinly pubescent and glabrescent to finely crispate-tomentose or sericeous-tomentose above, more densely so and silvery or pale grey or rarely almost glabrous except on the main veins beneath, glandular-punctate.
    Capitulum
    Capitula usually numerous in rather dense small scorpioid clusters in moderately dense terminal compound corymbiform cymes; involucre obconic-hemispherical, 3–5 mm long, 2.5–6 mm in diameter at flowering time; phyllaries 3–4-seriate, grey-green, purple near apex, oblong to lanceolate, 1–6.5 mm long, densely tomentose, recurving at the apex.
    Flowers
    Corolla mauve, lilac or purple (once described as white), densely hairy on lobes and upper part of tube, 4–6.3 mm long, lobes 2–2.5 mm long.
    Fruits
    Achenes 1.5–2.2 mm long, 4–5-angled, prismatic, glabrous or usually hairy on the angles at least towards the apex, often curved; pappus usually double, outer of 4–8 free or more or less connate shiny scales 0.5–1.3 mm long, inner pappus of fewer slightly longer flattened bristles, or absent.
    Figures
    Fig. 53, p. 275.
    Habitat
    Montane grassland or scattered tree grassland, may be locally common; 1600–2500 m
    Distribution
    T4 T5 T7
    [FZ]

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

    Habit
    An erect tufted perennial herb to c. 1 m. tall, with annual stems from a woody rootstock; rootstock with a woody taproot.
    Stem
    Stems many, strict, branching near the apex, densely leafy with internodes mostly less than 10 mm. long, densely pilose-tomentose with glands between the hairs, becoming pubescent or glabrescent below; indumentum of short-stalked flagelliform hairs.
    Leaves
    Leaves sessile or subsessile, overlapping, alternate or spirally arranged, sometimes subopposite or whorled, 2–4.5 x 0.4–1.2 cm., narrowly oblong-lanceolate to narrowly-elliptic or ovate, acute mucronate at the apex, cuneate to rounded below, margins ± revolute, upper surface densely tomentellous to sparsely pilose, lower surface paler, tomentose or pubescent, glandular punctate.
    Capitulum
    Capitula numerous, in few to many 3–15-capitulate clusters, or the capitulum-clusters ± corymbiformly cymose on branches 1.5–9 cm. long, occasionally the capitula somewhat scorpioidly arranged along branches.
    Involucre
    Involucres 3–5 x 4–6 mm., campanulate to subglobose, florets exserted.
    Phyllaries
    Phyllaries several-seriate, purple above, acute, tomentose to woolly outside; the outer from c. 1 mm. long, narrowly ovate; the inner to c. 5 mm. long, narrowly oblong to lanceolate.
    Receptacle
    Receptacle shallowly alveolate.
    Corolla
    Corollas purple, darker in the upper half, 4–6 mm. long, narrowly funnel-shaped, puberulous to tomentellous outside or only the lobes hispidulous, glandular.
    Fruits
    Achenes 1.5–2 mm. long, narrowly oblong-obovoid, often curved, truncate at the apex, 4–5-angular, obscurely ribbed on the angles and ± sparsely setulose, the faces smooth with scattered brown minute gland-dots, otherwise glabrous; pappus of 4–7 broad ± united shiny scales, 0.5–1 mm. long and lacerate on the upper margin, or sometimes the scales free and alternating with 4–7-narrower paleaceous setae which exceed or ± equal the scales in length.

    Images

    Distribution

    Native to:

    Malawi, Tanzania, Zambia

    Ageratinastrum polyphyllum (Baker) Mattf. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Whyte, A. [252], Malawi K000273361 holotype

    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 of Tropical East Africa
    • G.V. Pope in Flora Zambesiaca 6: 181, t. 30a (1992).
    • Lisowski in Fragm. Flor. Geobot. 37: 354, fig. 23g (1992).
    • C. Jeffrey in Kew Bulletin 43: 271 (1988).
    • Cribb & Leedal, Mountain Flow. S. Tanz.: 149, fig. 39a (1982).
    • Kalanda & Lisowski in Bulletin du Jardin Botanique National de Belgique 51: 457, fig. 1/1–5 (1981).
    • Mattf. in Notizblatt des Botanischen Gartens und Museums zu Berlin-Dahelm 11: 412 (1932).

    Sources

    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

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    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 2020. 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 2020. 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