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  1. Family: Euphorbiaceae Juss.
    1. Genus: Croton L.
      1. Croton somalensis Pax

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

    [FTEA]

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

    Habit
    A monoecious or sometimes dioecious shrub 1–2.5 m. tall.
    Twigs
    Young twigs densely silvery or brownish lepidote, the scales deeply laciniate. Older twigs dark grey or reddish brown, lenticellate, glabrescent.
    Leaves
    Leaves sometimes subopposite; petioles 1–2.7 cm. long, silvery or coppery lepidote; blade ovate to triangular-ovate, (1–)1.5–4(–6) cm. long, (0.9–)1.3–2.3(–5) cm. wide, obtuse, subacute or rarely acute and acuminate, shallowly cordate, rounded or subcuneate, with 2 minute sessile discoid basal glands visible or not from above, entire, thinly chartaceous, lateral nerves 6–9 pairs, not or slightly impressed above, fairly prominent beneath, uniformly thinly stellate-pubescent and dark green above, silvery lepidote and sometimes brown flecked beneath, the scales deeply fimbriate, almost resembling flattened stellate hairs in places.
    Stipules
    Stipules triangular-lanceolate, 0.75 mm. long, somewhat obscured by the scales.
    Buds
    Axillary buds not perulate.
    Inflorescences
    Racemes terminal, up to 3 cm. long but often only 1 cm. long, the lower quarter ♀, the upper three-quarters ♂, or occasionally all ♂, axis silvery or coppery lepidote; bracts linear, 1.5 mm. long, with 2 minute basal linear lobes, stellate pubescent without, ± glabrous within.
    Male
    Male flowers:pedicels up to 3.5 mm. long, fimbriate-lepidote to stellate-pubescent; sepals 5, triangular-ovate, 2 mm. long, 1.3 mm. wide, subacute, yellowish or greyish fimbriate-lepidote without, glabrous within; petals 5, oblong-oblanceolate, 2 mm. long, 0.5 mm. wide, ± glabrous within and without, densely villous on the margin; disc-glands free, truncate; stamens 16, filaments 2.5 mm. long, glabrous above, pilose below, anthers 0.8 mm. long; receptacle pilose.
    Flowers
    Female flowers:pedicels 2–4 mm. long, not elongating in fruit, stouter than in the ♂, silvery or coppery lepidote; calyx 5-lobed, the lobes pubescent within, otherwise resembling the ♂ sepals; petals 0; disc pentagonal, pubescent; ovary globose, 2 mm. diameter, densely brownish fimbriate-lepidote; styles 3, spreading, 2 mm. long, stellate-pubescent beneath, glabrous above, bipartite, the lobes oblanceolate. Male flowers:pedicels up to 3.5 mm. long, fimbriate-lepidote to stellate-pubescent; sepals 5, triangular-ovate, 2 mm. long, 1.3 mm. wide, subacute, yellowish or greyish fimbriate-lepidote without, glabrous within; petals 5, oblong-oblanceolate, 2 mm. long, 0.5 mm. wide, ± glabrous within and without, densely villous on the margin; disc-glands free, truncate; stamens 16, filaments 2.5 mm. long, glabrous above, pilose below, anthers 0.8 mm. long; receptacle pilose.
    Female
    Female flowers:pedicels 2–4 mm. long, not elongating in fruit, stouter than in the ♂, silvery or coppery lepidote; calyx 5-lobed, the lobes pubescent within, otherwise resembling the ♂ sepals; petals 0; disc pentagonal, pubescent; ovary globose, 2 mm. diameter, densely brownish fimbriate-lepidote; styles 3, spreading, 2 mm. long, stellate-pubescent beneath, glabrous above, bipartite, the lobes oblanceolate.
    Fruits
    Fruit subglobose-subtrilobed, 6 mm. long, 7–8 mm. diameter, septicidal, evenly adpressed fimbriate-lepidote.
    Seeds
    Seeds ellipsoid-ovoid, 4.5 mm. long, 3 mm. wide, light pinkish brown, shiny, with a small flattened caruncle 1 mm. wide.
    Habitat
    On lava ridges and limestone slopes in Acacia, Commiphora deciduous bushland; 400–1400 m.
    Distribution
    K1 K6 S. and probably also in E. Ethiopia

    Images

    Distribution

    Native to:

    Djibouti, Ethiopia, Kenya, Somalia

    Other Data

    Croton somalensis Pax appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Hildebrandt, J.M. [1530], Somalia K000347435 Unknown type material

    Bibliography

    First published in Bot. Jahrb. Syst. 15: 535 (1893)

    Accepted by

    • 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. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.

    Literature

    Kew Backbone Distributions

    • Audru, J., Cesar, J. & Lebrun, J.-P. (1994). Les Plantes Vasculaires de la République de Djibouti. Flore Illustrée 1: 1-336. CIRAD, Départerment d'Elevage et de Médecine vétérinaire, Djibouti.

    Flora of Tropical East Africa

    • A. Engler & O. Drude, Die Vegetation Der Erde, IX, Pflanzenwelt Afrikas 3(2): 47 (1921).
    • Hutch. in Flora of Tropical Africa 6(1): 754 (1912).
    • Vatke & Pax in A. Engler, Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 15: 535 (1893).

    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 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