Annonaceae
Uvariodendron

Uvariodendron anisatum Verdc.

First published in Kew Bull. 10: 596 (1955 publ. 1956)
This species is accepted
The native range of this species is Central & S. Kenya. It is a shrub or tree and grows primarily in the seasonally dry tropical biome.

Descriptions

Annonaceae, B. Verdcourt. Flora of Tropical East Africa. 1971

Morphology General Habit
Shrub or small tree up to 9 m. tall, most parts strongly aniseed-scented; bark grey-brown; branchlets longitudinally rugose, lenticellate, obscurely pale silky when very young, soon glabrous.
Morphology General Buds
Leaf-buds golden or ferruginous silky; juvenile foliage red, hanging.
Morphology Leaves
Leaf-blades oblong-elliptic or rarely oblong-lanceolate, 8–29.5 cm. long, 3.4–11.2 cm. wide, broadest near the middle, ± acute or obtuse at the apex, rounded or cuneate at the base, somewhat coriaceous, glabrous and very shining above, obscurely adpressed pilose beneath; midrib impressed above, very prominent beneath; lateral nerves 16–21, prominent on both sides; venation reticulate; petiole 4–7 mm. long, thick.
Morphology Reproductive morphology Flowers
Flowers solitary, axillary or growing on the old wood or trunk; bracts 1–2, 3–4 mm. long, 6–7 mm. wide, ferruginous silky; peduncle 2.5–3.7 cm. long, pubescent.
Morphology Reproductive morphology Flowers Calyx
Sepals reniform, 5–6 mm. long, 7–8 mm. wide, shortly mucronulate, pubescent outside, glabrous inside.
Morphology Reproductive morphology Flowers Corolla
Petals cream or yellow; outer ovate, 1.8–2.3 cm. long, 1.1–1.6 cm. wide, narrowed at the base, longitudinally 6–7-ridged, velvety brown outside, glabrous inside save at the margins; inner narrower, elliptic-obovate, 2 cm. long, 0.95–1.1 cm. wide, considerably narrowed at the base.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 2.2 mm. long.
Morphology Reproductive morphology Flowers Gynoecium Carpels
Carpels 5–15, oblong, somewhat 4-angled, 3.5 mm. long, hairy, with ± 12–16 biseriate ovules.
Morphology Reproductive morphology Fruits
Fruiting peduncles up to 5.5 cm. long. Monocarps 4–15, cylindric, 2.5–6 cm. long, 1.3–1.8 cm. wide, obtuse, dark blue-black when ripe, with finely raised pseudosutures, at first brownish pubescent later almost glabrous, 5–16-seeded, slightly constricted between the seeds; stipes obsolete or only 2–3 mm. long.
Morphology Reproductive morphology Seeds
Seeds pale brown, ellipsoid, compressed, 1.1–1.4 cm. long, 9 mm. wide, 5–8 mm. thick.
Habitat
Rather dry evergreen forest; 1170–1770 m.
Distribution
K4 K6 not known elsewhere
[FTEA]

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/32241/128399203

Conservation
VU - vulnerable
[IUCN]

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: threatened. Confidence: confident
[AERP]

Sources

  • Angiosperm Extinction Risk Predictions v1

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

  • 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/

  • IUCN Categories

    • IUCN Red List of Threatened Species
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2026. 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 2026. 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