1. Family: Malvaceae Juss.
    1. Genus: Grewia L.
      1. Grewia holstii Burret

        This species is accepted, and its native range is S. Somalia to N. Mozambique.


    Tiliaceae, C. Whitehouse, M. Cheek, S. Andrews & B. Verdcourt. Flora of Tropical East Africa. 2001

    Shrub to 4 m tall, sometimes scandent to 10 m tall, with flat spreading branches; old branches fluted, 3–4-angled with bases of old branches appearing like blunt thorns.
    Leaves elliptic to ovate-elliptic, 2.5–7(–12) cm long, 1.3–2.7(–3.7) cm wide, acute to acuminate at the apex, slightly cordate to truncate at the base, margin serrate, undulating, glossy green and concolorous, sometimes reddish when new, lamina dotted with stellate hairs above, slightly denser beneath especially on the veins; petiole 2–3.5(–8) mm long.
    Inflorescence a 3-flowered cyme, 1–2 in a leaf-axil; peduncle 4–6 mm long; pedicels 4–8 mm long.
    Flowers yellow, greyish to reddish green on the outside; sepals 7–11 mm long; petals 4–7 mm long, acute at the apex, sometimes reddish at the base.
    Androgynophore 1 mm long, glabrous, cupped at the apex.
    Stamens 6–7 mm long, yellow.
    Ovary densely pubescent; style 6 mm long, yellow, glabrous; stigma greenish.
    Fruit obovate to subglobose, 8–11 mm long, 7–11 mm wide, unlobed or slightly 2-lobed, dark green becoming cream or brown when old.
    Fig. 3/28 (leaf, p. 9).
    Forest, forest-edges and clearings, thicket and bushland; 0–650(–1000) m
    K7 T3 T6 T8

    Tiliaceae, H. Wild. Flora Zambesiaca 2:1. 1963

    Shrub or small tree up to 8 m. tall or liane climbing over tall trees; young branches pubescent, soon becoming glabrous; older stems 3–4-angled, blackish and sometimes developing stout spine-like bosses.
    Leaf-lamina 3–6 × 1·5–3 cm., elliptic or lanceolate-elliptic, acute to acuminate at the apex, margin serrate, rounded or subcordate at the base, subglabrous, with minute scattered appressed-stellate hairs on both sides; petiole 0·2–0·3 cm. long, pubescent; stipules up to 5 mm. long, subulate to linear, slightly pubescent.
    Inflorescences all axillary; peduncles c. 5 mm. long, slightly pubescent; pedicels usually 3 together, c. 5 mm. long, slightly pubescent.
    Flower-buds oblong, hardly swollen at the base.
    Sepals up to 1·2 cm. long, linear-oblong, sparsely pubescent and greenish outside, yellow and glabrous within.
    Petals yellow, slightly shorter than the sepals, glabrous except for the nectariferous base, which is up to 1 mm. long circumvillous within and setose-pubescent on the back.
    Androgynophore 1 mm. long, glabrous and shallowly cup-like at the apex, clasping the ovary.
    Ovary ovoid, pubescent, not at all lobed; style c. 7 mm. long, glabrous, with 4 subulate stigma-lobes.
    Fruit 5–8 mm. in diam., globose, not lobed, yellowish, very minutely stellate-pubescent.



    Native to:

    Kenya, Mozambique, Somalia, Tanzania

    Grewia holstii Burret appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Mar 1, 1937 Busse, W. [574], Tanzania K000241849 Unknown type material
    Mar 3, 1911 Holst, C. [2817], Tanzania K000241851 Unknown type material
    Jan 31, 1911 Busse, W. [574], Tanzania K000241850 Unknown type material

    First published in Bot. Jahrb. Syst. 45: 157 (1910)

    Accepted by

    • Govaerts, R. (2003). World Checklist of Seed Plants Database in ACCESS G: 1-40325.
    • Whitehouse, C., Cheek, M., Andrews, S. & Verdcourt, B. (2001). Flora of Tropical East Africa, Tiliaceae & Muntingiaceae: 1-120.
    • Thulin, M. (ed.) in Thulin, M. (ed.) (1999). Flora of Somalia 2: 1-303. The Royal Botanic Gardens, Kew.
    • Exell, A.W., Fernandes, A. & Wild, H. (eds.) (1963). Flora Zambesiaca 2(1): 1-351. Royal Botanic Gardens, Kew.


    Flora of Tropical East Africa
    • Beentje, Kenya Trees, Shrubs and Lianas p. 155, fig. f2 on 152, map (1994).
    • Vollesen in Opera Bot. 59: 33 (1980).
    • Kokwaro, Medic. Pl. E. Afr.: 213 (1976).
    • Wild & Gonç. in Fl. Moçamb. 28: 12 (1969).
    • Wild in Flora Zambesiaca 2: 44 (1963).
    • Dale & Greenway, Kenya Trees and Shrubs p. 566, fig. 103/f2 (1961).
    • J.P.M. Brenan, Check-lists of the Forest Trees and Shrubs of the British Empire no. 5, part II, Tanganyika Territory p. 618 (1949).
    • Battiscombe & Dale, Trees and Shrubs of Kenya Colony p. 38 (1936).
    • Burret in A. Engler, Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 45: 167 (1910).


    Flora Zambesiaca
    Flora Zambesiaca

    Flora of Tropical East Africa
    Flora of Tropical East Africa

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    Kew Backbone Distributions
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    Kew Names and Taxonomic Backbone
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    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0