1. Family: Euphorbiaceae Juss.
    1. Genus: Acalypha L.
      1. Acalypha echinus Pax & K.Hoffm.

        This species is accepted, and its native range is SE. Kenya to E. Tanzania.

    [FTEA]

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

    Habit
    A many-stemmed straggling shrub up to 4 m. tall, sometimes developing short shoots.
    Twigs
    Older branches sometimes spinescent.
    Shoots
    Young shoots sparingly to densely crisped-puberulous or tomentose.
    Leaves
    Petioles up to 2.5 cm. long, evenly to densely crisped-puberulous; leaf-blade ovate to elliptic-ovate, 4–8 cm. long, 2–4.5 cm. wide, obtuse and mucronulate, rounded at the base, serrate to shallowly crenate-serrate, thinly chartaceous, 3(–5)-nerved from the base, lateral nerves 4–6 pairs, sparingly pubescent or subglabrous on the midrib and with dense tufts of hairs in the axils of the main nerves beneath, otherwise glabrous.
    Stipules
    Stipules triangular-subulate, keeled, 2 mm. long, ciliate.
    Inflorescences
    Inflorescences racemose, borne on long and short shoots, up to 16 cm. long, with the upper half, two-thirds or most of the inflorescence ♀, and the rest ♂; axis sparingly puberulous or quite glabrous; ♂ and ♀ bracts alike, triangular-ovate, 1 mm. long, entire, ciliate.
    Male
    Male flowers shortly pedicellate; buds subglobose, glabrous.
    Flowers
    Female flowers long-pedicellate, the pedicels up to 5 mm. long in fruit, articulate; sepals 5, ovate-lanceolate, 1 mm. long, acute, subglabrous; ovary subtrilobate, 0.5 mm. diameter, echinate, the spine-like processes gland-tipped, ± glabrous; styles ± free to the base, 5 mm. long, pectinate-laciniate, white. Male flowers shortly pedicellate; buds subglobose, glabrous.
    Female
    Female flowers long-pedicellate, the pedicels up to 5 mm. long in fruit, articulate; sepals 5, ovate-lanceolate, 1 mm. long, acute, subglabrous; ovary subtrilobate, 0.5 mm. diameter, echinate, the spine-like processes gland-tipped, ± glabrous; styles ± free to the base, 5 mm. long, pectinate-laciniate, white.
    Fruits
    Fruits trilobate, 2.5 mm. long, 4 mm. diameter, densely glandular-echinate, glabrous.
    Seeds
    Seeds subglobose, 1.5 mm. long, 1.5 mm. wide, smooth, brown, with a small apical caruncle.
    Habitat
    Riverine forest; 60–300 m.
    Distribution
    not known elsewhere K7 T3 T6

    Images

    Distribution

    Native to:

    Kenya, Tanzania

    Acalypha echinus Pax & K.Hoffm. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Dec 7, 1972 Tanner, R.E.S. [2525], Tanzania K000452448 neotype
    Drummond, R.B. [3340], Tanzania K000452447
    Mhoro, B. [5667], Tanzania K000452449
    Iversen, S.T. [86216], Tanzania K000452445
    G [94195], Tanzania K000452444

    First published in H.G.A.Engler (ed.), Pflanzenr., IV, 147, XVI: 20 (1924)

    Accepted by

    • Muñoz-Rodríguez, P., Cardiel, J.M. & Atha, D. (2014). Acalypha subgenus Linostachys (Euphorbiaceae, Acalyphoideae): a global review Phytotaxa 166: 199-221.
    • 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
    • Muñoz-Rodríguez, P., Cardiel, J.M. & Atha, D. (2014). Acalypha subgenus Linostachys (Euphorbiaceae, Acalyphoideae): a global review Phytotaxa 166: 199-221.
    Flora of Tropical East Africa
    • J.P.M. Brenan, Check-lists of the Forest Trees and Shrubs of the British Empire no. 5, part II, Tanganyika Territory p. 196 (1949).
    • Pax & K. Hoffm. in A. Engler, Das Pflanzenreich IV. 147(16): 20 (1924).

    Sources

    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