Talinaceae
Talinum

Talinum arnotii Hook.f.

First published in Bot. Mag. 102: t. 6220 (1876)
This species is accepted
The native range of this species is Kenya to S. Africa. It is a tuberous geophyte and grows primarily in the desert or dry shrubland biome.

Descriptions

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]

Portulacaceae, Sylvia M. Phillips. Flora of Tropical East Africa. 2002

Morphology General Habit
Perennial herb similar to T. caffrum, tuber often long and tapering, flesh reddish-brown; stems erect to ascending, less often decumbent, to 40 cm high, moderately branched.
Morphology Leaves
Leaves variable, usually elliptic to ovate but sometimes narrower, 2–7(–10) cm long, 2–20(–35) mm wide, margins undulate especially when young, slightly revolute.
Morphology Reproductive morphology Inflorescences
Flowers in axillary 1(–3)-flowered cymes; peduncle 0.8–3.5(–6.5) cm long, often longer than the leaves, slender to stout but not filiform, pedicel usually stout, thickened upwards.
Morphology Reproductive morphology Flowers
Sepals 8–11 mm long; petals usually bright yellow but varying from lemon-yellow to orange; stamens 20–± 50.
Morphology Reproductive morphology Fruits
Capsule (5–)6–10 mm high; seeds lenticular to plumply comma-shaped, 1.7–1.8 mm in diameter, minutely pitted at the cell corners, almost smooth varying to distinctly granular.
Habitat
Dry grassland and bushland on sandy or stony soils, or among rocks; 250–1700 m
Distribution
S Ethiopia, and southwards to South Africa K1 K2 K6 K7 T1 T2 T3 T4 T5 T6 T7 U1 U2 U3
[FTEA]

Portulacaceae, H. Wild. Flora Zambesiaca 1:2. 1961

Diagnostic
Very similar to T. caffrum but the typical leaves are oblong to broadly obovate or ovate and up to 4 × 2·75 cm., only rarely are they lanceolate-elliptic and c. 4 × 1 cm.
Morphology Reproductive morphology Flowers Corolla
The petals are golden-yellow and the seeds are shining black and noticeably concentrically verruculose but not ridged.
[FZ]

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