1. Family: Euphorbiaceae Juss.
    1. Genus: Acalypha L.
      1. Acalypha acrogyna Pax

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

    [FZ]

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

    Habit
    A much-branched scrambling shrub up to 3 m tall, unarmed, slender-stemmed, with long shoots and short lateral shoots (brachyblasts).Bark of twigs brownish.
    Shoots
    Shoots puberulous or pubescent at first, later glabrescent.
    Petiole
    Petioles 2–5(10) mm long, densely pubescent.
    Leaf lamina
    Leaf blades 1.5–6(9) × 1–3(4) cm, elliptic-ovate to elliptic-lanceolate, usually obtusely acuminate at the apex, crenate, crenate-serrate or sometimes subentire on the margins, rounded or cordate at the base, membranous, sparingly pubescent or subglabrous, sometimes evenly pubescent along the midrib and main nerves and with tufts of hairs in the axils beneath, 3(5)-nerved from the base or ± penninerved; lateral nerves in 5–7 pairs.
    Stipules
    Stipules 2–3 mm long, narrowly triangular-lanceolate, keeled, sparingly pubescent.
    Inflorescences
    Inflorescences up to 7 cm long, spicate or racemose, usually on the brachyblasts, usually mostly male with 1–3 female flowers at the top; bracts 1 mm long, ovate-oblong, entire, ciliate, brownish.
    Flowers
    Male flowers shortly pedicellate; buds depressed-globose, sparingly pubescent, greenish-yellow. Female flowers shortly pedicellate; sepals 5, 1 mm long, ovate-lanceolate, acute, ciliate; ovary 1 mm in diameter, somewhat 3-lobed, echinate, densely pubescent; styles 3–4 mm long, ± free, pectinate, reddish.
    Male
    Male flowers shortly pedicellate; buds depressed-globose, sparingly pubescent, greenish-yellow.
    Female
    Female flowers shortly pedicellate; sepals 5, 1 mm long, ovate-lanceolate, acute, ciliate; ovary 1 mm in diameter, somewhat 3-lobed, echinate, densely pubescent; styles 3–4 mm long, ± free, pectinate, reddish.
    Fruits
    Fruits 2.5 × 4 mm, 3-lobed, echinate, sparingly pubescent.
    Seeds
    Seeds 2 × 1.75 mm, subglobose, smooth, brown, ecarunculate.
    [FTEA]

    Euphorbiaceae, A. R.-Smith. Flora of Tropical East Africa. 1987

    Habit
    A shrub or small tree up to 5 m. tall, with short and long shoots.
    Bark
    Bark smooth, grey.
    Shoots
    Short shoots and young long shoots crisped-puberulous, older long shoots glabrescent.
    Leaves
    Petioles up to 2 cm. long but more commonly 3–4 mm. long, densely puberulous; leaf-blade obovate, elliptic-ovate or elliptic-lanceolate, (2–)4–9(–11) cm. long, (1–)2–5 cm. wide, acute or obtuse, acuminate or not, somewhat attenuate toward the obtusely rounded or shallowly cordate base, but never really cuneate, crenate or crenate-serrate, thinly chartaceous, lateral nerves 6–7 pairs, very sparingly pubescent or subglabrous above and beneath, sometimes the midrib and main nerves evenly pubescent, and with dense tufts of hairs in the axils of the main nerves beneath.
    Stipules
    Stipules subulate, keeled, 3–4 mm. long, coriaceous, sparingly pubescent.
    Inflorescences
    Inflorescences racemose, borne on the short shoots, (3–)7–8.5(–12) cm. long, either all ♂ with numerous dense clusters of flowers, all ♀ with 1–4 flowers toward and at the apex, or else ♂ with 1 ♀ flower at the apex; axis crisped-puberulous; ♂ and ♀ bracts alike, oblong-ovate, 1 mm. long, entire, ciliate, brownish.
    Male
    Male flowers shortly pedicellate; buds subglobose, sparingly pubescent.
    Flowers
    Female flowers subsessile or shortly pedicellate; sepals 5, ovate-lanceolate, 1 mm. long, acute, ciliate; ovary subtrilobate, 1 mm. diameter, echinate, densely pubescent; styles ± free to the base, 3–4 mm. long, pectinate, red. Male flowers shortly pedicellate; buds subglobose, sparingly pubescent.
    Female
    Female flowers subsessile or shortly pedicellate; sepals 5, ovate-lanceolate, 1 mm. long, acute, ciliate; ovary subtrilobate, 1 mm. diameter, echinate, densely pubescent; styles ± free to the base, 3–4 mm. long, pectinate, red.
    Fruits
    Fruits trilobate, 2.5 mm. long, 4 mm. diameter, conspicuously echinate, sparingly pubescent.
    Seeds
    Seeds subglobose, 2 mm. long, 1.75 mm. wide, smooth, brown, ecarunculate.
    Habitat
    Forest edges and openings; 850–1250 m.
    Distribution
    T1 U2 U4

    Images

    Distribution

    Native to:

    Cameroon, Congo, Ethiopia, Mozambique, Sudan, Tanzania, Uganda, Zambia, Zaïre, Zimbabwe

    Acalypha acrogyna Pax appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Dawkins, H.C. [483], Uganda 4323.000
    Mildbraed [2341] K000431042 isosyntype
    Mildbraed [2341] K000431043

    First published in Bot. Jahrb. Syst. 43: 323 (1909)

    Accepted by

    • Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew.
    • Muñoz-Rodríguez, P., Cardiel, J.M. & Atha, D. (2014). Acalypha subgenus Linostachys (Euphorbiaceae, Acalyphoideae): a global review Phytotaxa 166: 199-221.
    • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
    • Calane da Silva, M., Izdine, S. & Amuse, A.B. (2004). A Preliminary Checklist of the Vascular Plants of Mozambique: 1-184. SABONET, Pretoria.
    • 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.

    Literature

    Kew Backbone Distributions
    • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
    • Calane da Silva, M., Izdine, S. & Amuse, A.B. (2004). A Preliminary Checklist of the Vascular Plants of Mozambique: 1-184. SABONET, Pretoria.
    Flora of Tropical East Africa
    • F. White, Forest Flora of Northern Rhodesia p. 192 (1962).
    • J.P.M. Brenan, Check-lists of the Forest Trees and Shrubs of the British Empire no. 5, part II, Tanganyika Territory p. 197 (1949).
    • Robyns, Flore des Spermatophytes du Parc National Albert 1: 466 (1948).
    • Pax in A. Engler, Das Pflanzenreich IV. 147(16): 93 (1924).
    • A. Engler & O. Drude, Die Vegetation Der Erde, IX, Pflanzenwelt Afrikas 3(2): 95 (1921).
    • Hutch. in Flora of Tropical Africa 6(1): 897 (1912).
    • Pax in A. Engler, Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 43: 323 (1909).

    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 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