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.

    [FTEA]

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

    Habit
    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
    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.
    Inflorescences
    Inflorescence a 3-flowered cyme, 1–2 in a leaf-axil; peduncle 4–6 mm long; pedicels 4–8 mm long.
    Flowers
    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
    Androgynophore 1 mm long, glabrous, cupped at the apex.
    Stamens
    Stamens 6–7 mm long, yellow.
    Pistil
    Ovary densely pubescent; style 6 mm long, yellow, glabrous; stigma greenish.
    Fruits
    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.
    Figures
    Fig. 3/28 (leaf, p. 9).
    Habitat
    Forest, forest-edges and clearings, thicket and bushland; 0–650(–1000) m
    Distribution
    K7 T3 T6 T8
    [FZ]

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

    Habit
    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.
    Leaves
    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
    Inflorescences all axillary; peduncles c. 5 mm. long, slightly pubescent; pedicels usually 3 together, c. 5 mm. long, slightly pubescent.
    Buds
    Flower-buds oblong, hardly swollen at the base.
    Calyx
    Sepals up to 1·2 cm. long, linear-oblong, sparsely pubescent and greenish outside, yellow and glabrous within.
    Corolla
    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
    Androgynophore 1 mm. long, glabrous and shallowly cup-like at the apex, clasping the ovary.
    Pistil
    Ovary ovoid, pubescent, not at all lobed; style c. 7 mm. long, glabrous, with 4 subulate stigma-lobes.
    Fruits
    Fruit 5–8 mm. in diam., globose, not lobed, yellowish, very minutely stellate-pubescent.

    Images

    Distribution

    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.

    Literature

    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).

    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 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