Malvaceae
Grewia

Grewia herbacea Hiern

First published in Cat. Afr. Pl. 1: 96 (1896)
This species is accepted
The native range of this species is Tanzania to S. Tropical Africa. It is a shrub and grows primarily in the seasonally dry tropical biome.

Descriptions

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

Morphology General Habit
Small shrub very similar to G. villosa but with long virgate stems from a woody rootstock.
Morphology Stem
Young stems densely stellate-pubescent, not villous.
Morphology Leaves
Leaves subcircular, 2.5–11 cm long, 2.5–10 cm wide, ± rounded to obtuse or slightly apiculate at the apex, cordate at the base, margin coarsely serrate or dentate, veins prominent and finely reticulate, sparsely pubescent above but denser on the veins, densely stellate-pubescent beneath but without longer hairs on the veins; petioles 0.5–3 cm long, densely stellate-pubescent; stipules subulate, 8–11 mm long.
Morphology Reproductive morphology Inflorescences
Inflorescence 2–4 cm across, usually with more than 20 flowers.
Morphology Reproductive morphology Flowers Perianth
Sepals 5–7 mm long; petals oblong, 3–4 mm long, ± 1 mm wide.
Morphology Reproductive morphology Flowers Androgynophore
Androgynophore ± absent.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary ± 1 mm long, densely hairy; style ± 4.5 mm long.
Morphology Reproductive morphology Fruits
Fruit 2–4-lobed, ± 1.8 cm wide, tuberculate.
Habitat
Damper areas, sometimes subject to flooding; 900–1200 m
Distribution
T6 T8
[FTEA]

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

Morphology General Habit
Very like G. villosa Willd. but with long virgate branches arising from a woody rootstock.
Morphology Leaves Stipules
Stipules linear or filiform, somewhat keeled and up to 13 mm. long.
Morphology Reproductive morphology Inflorescences Bracts
Bracts up to 10 mm. long, narrowly lanceolate to linear-lanceolate or sometimes bifid, pubescent.
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigma-lobes broad and flat with toothed or lobed margins.
Morphology Reproductive morphology Flowers
Flowers smaller than in G. villosa and more per inflorescence.
Note
Otherwise as in G. villosa.
[FZ]

Extinction risk predictions for the world's flowering plants to support their conservation (2024). Bachman, S.P., Brown, M.J.M., Leão, T.C.C., Lughadha, E.N., Walker, B.E. https://nph.onlinelibrary.wiley.com/doi/full/10.1111/nph.19592

Conservation
Predicted extinction risk: not threatened. Confidence: confident
[AERP]

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0

  • 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 Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0

  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0