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

        This species is accepted, and its native range is Ethiopia to Burundi.

    [FTEA]

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

    Habit
    A prostrate, procumbent, ascending or scandent woody herb or subshrub up to 3 m. tall, but commonly not exceeding 1 m.
    Stem
    Stems subglabrous, sparingly to densely puberulous or hirsute or both, tomentose or villous, green, later becoming reddish brown.
    Leaves
    Petioles (0.2–)1–5(–8) cm. long, hairy ± as the stems; leaf-blade ovate, triangular-ovate or elliptic-ovate, 1–9.5 cm. long, 0.5–6 cm. wide, acutely, subacutely or obtusely gradually acuminate, rounded, truncate or shallowly cordate, crenate-serrate, membranous to thinly chartaceous, 5–7-nerved from the base, lateral nerves (4–)5–7 pairs, subglabrous or sparingly puberulous, pubescent or setose above, more evenly or sometimes densely so beneath, particularly along the midrib and main veins, yellow-green.
    Stipules
    Stipules linear-filiform, 2–4 mm. long, sparingly pubescent or subglabrous, sometimes with 1–2 sessile glands near the base.
    Inflorescences
    Inflorescences ± spicate, axillary, rarely terminal on lateral few-leaved branches, solitary, up to 11 cm. long, with a terminal ♂ portion borne on a peduncle up to 4.5 cm. long, with 1(–3) bracteate ♀ flowers at the base of the ♂ peduncle, and sometimes also with a basal allomorphic ♀ flower borne on a very slender hair-like pedicel up to 3 cm. long arising from near the point of insertion of the bracteate ♀ flower, rarely the inflorescence unisexual; axis sparingly to densely puberulous or pubescent; ♂ bracts minute; ♀ bracts leaf-like, strongly accrescent, broadly ovate or reniform, flattened out, 0.5–1.5 cm. long, 0.7–2 cm. wide, obtuse or subacute, cordate, crenate-serrate, subglabrous or sparingly pubescent above and beneath, 1(–2)-flowered, the second sometimes abortive.
    Male
    Male flowers subsessile or shortly pedicellate; buds 4-gonous, glabrous, granulose on the angles, red.
    Flowers
    Allomorphic ♀ flowers (where present) nodding on the pedicel, obovoid, crowned or not with an apical fimbriate whorl, sparingly to densely pubescent. Female flowers sessile; sepals 3, ovate, 0.3 mm. long; ovary trilobate, 0.5 mm. diameter, tubercled, densely hirsute; styles ± free to the base, 4–5 mm. long, laciniate, red. Male flowers subsessile or shortly pedicellate; buds 4-gonous, glabrous, granulose on the angles, red.
    Female
    Allomorphic ♀ flowers (where present) nodding on the pedicel, obovoid, crowned or not with an apical fimbriate whorl, sparingly to densely pubescent. Female flowers sessile; sepals 3, ovate, 0.3 mm. long; ovary trilobate, 0.5 mm. diameter, tubercled, densely hirsute; styles ± free to the base, 4–5 mm. long, laciniate, red.
    Fruits
    Fruits trilobate, 1.5–2 mm. long, 2.5–3 mm. diameter, slightly tuberculate, sparingly hirsute above.
    Seeds
    Seeds ovoid, 1.3 mm. long, 1 mm. wide, smooth, brown, with a small narrow caruncle.
    Habitat
    Forest undergrowth, edges and associated bushland and grassland, extending into drier country along rivers and in rocky places, also on disturbed ground; 765–3000 m.
    Distribution
    K1 K2 K3 K4 K5 K6 K7 T1 T2 T3 U3

    Images

    Distribution

    Native to:

    Burundi, Ethiopia, Kenya, Somalia, Sudan, Tanzania, Uganda

    Acalypha volkensii Pax appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Greenway, P.J. [10691], Tanzania K000452751
    Greenway, P.J. [12408], Tanzania K000452759
    Drummond, R.B. [2148], Tanzania K000452765
    Faulkner, H.G. [4619], Tanzania K000452764
    Richards, M. [23950], Tanzania K000452762
    Richards, M. [20025], Tanzania K000452757
    Richards, M. [20390], Tanzania K000452758
    Archbold, M.E. [197], Tanzania K000452766
    Semsei, S.R. [3954], Tanzania K000452767
    Pocs, T. [88143F], Tanzania K000452763
    Richards, H.M. [21856], Tanzania K000452761
    Richards, H.M. [26403], Tanzania K000452752
    Richards, H.M. [22014], Tanzania K000452768
    Abdallah, R. [96/127], Tanzania K000452769
    Volkens, G. [419], Tanzania K000431079
    Borhidi, A. [85164], Tanzania K000452770
    Newbould, J.B. [5772], Tanzania K000452754
    Newbould, J.B. [6151], Tanzania K000452755
    Newbould, J.B. [6420], Tanzania K000452756
    Carmichael [1198], Tanzania K000452760
    Geilinger, (.D.r.). [s.n.], Tanzania K000452753

    First published in H.G.A.Engler, Pflanzenw. Ost-Afrikas, C: 239 (1895)

    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.
    • Fischer, E., Rembold, K., Althof, A. & Obholzer, J. (2010). Annotated checklist of the vascular plants of Kakamega forest, Western province, Kenya Journal of East African Natural History 99: 129-226.
    • 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

    Flora of Tropical East Africa
    • A.D.Q. Agnew, Upland Kenya Wild Flowers p. 215 (1974).
    • F. W. Andr., The Flowering Plants of the Anglo-Egyptian Sudan2: 54 (1952).
    • J.P.M. Brenan, Check-lists of the Forest Trees and Shrubs of the British Empire no. 5, part II, Tanganyika Territory p. 198 (1949).
    • Pax in A. Engler, Das Pflanzenreich IV. 147 (16): 129 (1924).
    • A. Engler & O. Drude, Die Vegetation Der Erde, IX, Pflanzenwelt Afrikas 3(2): 98 (1921).
    • Hutch. in Flora of Tropical Africa 6(1): 908 (1912).
    • Pax in Die Pflanzenwelt Ost-Afrikas und der Nachbargebiete, Theile C: 239 (1895).

    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