1. Family: Euphorbiaceae Juss.
    1. Genus: Acalypha L.
      1. Acalypha welwitschiana Müll.Arg.

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

    [FZ]

    Euphorbiaceae, A. Radcliffe-Smith. Flora Zambesiaca 9:4. 1996

    Habit
    A many-stemmed lax pubescent or puberulous shrub or subshrub up to 2 m high, or an erect or procumbent suffrutex with annual stems arising from a woody stock.
    Petiole
    Petioles 0.2–5 cm long, often with a number of stipelliform glands at the apex.
    Leaf lamina
    Leaf blades 1–13 × 0.5–7.5 cm, elliptic-ovate to lanceolate, acute or obtuse at the apex, crenate to crenate-serrate on the margin, rounded to cordulate at the base, chartaceous, 5-nerved from the base, sparingly to evenly pubescent on both surfaces; lateral nerves in 3–6 pairs.
    Stipules
    Stipules 1.5–3 mm long, filiform.
    Note
    Plants monoecious or sometimes apparently dioecious.
    Inflorescences
    Male racemes up to 9 cm long, solitary, axillary, yellow-green, pink-tinged, shortly pedunculate or subsessile, occasionally terminating in a mass of female flowers, rarely with one or two female flowers at the base or halfway up. Female spikes 1.5–4 × 1.5–2 cm, terminal or axillary or both, capitate, ovoid or subcylindric, shortly pedunculate or subsessile; bracts c. 0.6–1 × 1–1.3 cm in the fruiting stage, flabelliform, c. 15–25-fid to halfway, the segments 3–5 mm long, linear-lanceolate to subulate, pilose, eglandular, pinkish-green, 1-flowered.
    Male
    Male racemes up to 9 cm long, solitary, axillary, yellow-green, pink-tinged, shortly pedunculate or subsessile, occasionally terminating in a mass of female flowers, rarely with one or two female flowers at the base or halfway up. Male flowers very shortly pedicellate; buds quadrangular-subglobose, minute, sparingly pubescent, pinkish; anthers white.
    Flowers
    Female flowers sessile; sepals 3, c. 0.5 mm long, ovate-lanceolate, subglabrous; ovary c. 1 mm in diameter, somewhat 3-lobed, glabrous or sericeous-hispid in the upper half; styles 3–5 mm long, free, slender, pectinately lacinulate, maroon or crimson. Male flowers very shortly pedicellate; buds quadrangular-subglobose, minute, sparingly pubescent, pinkish; anthers white.
    Female
    Female flowers sessile; sepals 3, c. 0.5 mm long, ovate-lanceolate, subglabrous; ovary c. 1 mm in diameter, somewhat 3-lobed, glabrous or sericeous-hispid in the upper half; styles 3–5 mm long, free, slender, pectinately lacinulate, maroon or crimson. Female spikes 1.5–4 × 1.5–2 cm, terminal or axillary or both, capitate, ovoid or subcylindric, shortly pedunculate or subsessile; bracts c. 0.6–1 × 1–1.3 cm in the fruiting stage, flabelliform, c. 15–25-fid to halfway, the segments 3–5 mm long, linear-lanceolate to subulate, pilose, eglandular, pinkish-green, 1-flowered.
    Fruits
    Fruits c. 2–3 × 2–3 mm, somewhat 3-lobed, glabrous or pubescent.
    Seeds
    Seeds 2 × 1 mm, ovoid, smooth, shiny, dark purplish-brown.

    Images

    Distribution

    Native to:

    Angola, Burundi, Malawi, Mozambique, Tanzania, Zambia

    Acalypha welwitschiana Müll.Arg. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Bidgood, S. [5759], Tanzania K000468665
    Welwitsch [433], Angola K000431088 Unknown type material
    Welwitsch [434], Angola K000431089
    Timberlake, J. [5183], Mozambique K000613911
    Timberlake, J. [5140], Mozambique K000613520

    First published in J. Bot. 2: 334 (1864)

    Accepted by

    • Strugnell, A.M. (2006). A checklist of the Spermatophytes of Mt. Mulanje, Malawi Scripta Botanica Belgica 34: 1-199.
    • Govaerts, R., Frodin, D.G. & Radcliffe-Smith, A. (2000). World Checklist and Bibliography of Euphorbiaceae (and Pandaceae) 1-4: 1-1622. The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 1-529. MIM, Deurne.

    Sources

    Flora Zambesiaca
    Flora Zambesiaca
    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 2019. 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 2019. 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