Malvaceae
Hibiscus

Hibiscus seineri Ulbr.

First published in H.G.A.Engler & C.G.O.Drude, Veg. Erde 9(III 2): 397 (1921)
This species is accepted
The native range of this species is Ethiopia to S. Africa. It is a shrub and grows primarily in the seasonally dry tropical biome.

Descriptions

Malvaceae, Bernard Verdcourt & Geoffrey Mwachala. Pavonia, B Verdcourt; Kosteletzkya, OJ Blanchard Jr.; Gossypium, P Fryxell & B Verdcourt. Flora of Tropical East Africa. 2009

Type
Type: Botswana, Mabele a pudi, Seiner II. 310 (B†, holo.); Neotype: Botswana, Kwebe Hills, Lugard 95 (K!), selected by Vollesen in K.B. (1980)
Morphology General Habit
Shrub 1–1.5 m tall.
Morphology Stem
Stems white stellate-tomentose when young, becoming glabrous with age
Morphology Leaves
Leaves ovate-acuminate, 6–8 × 3.3–4.5 cm, apex acute or rounded, base rounded or shallowly cordate, margin serrate or crenate, stellate-pubescent below, sparsely so above, discolorous; petiole 2.4–10 cm long, stellate-pubescent; stipules filiform, 0.5–0.9 × 0.1 cm, tapering to a filiform tip
Morphology Reproductive morphology Flowers
Flowers solitary in leaf axils; pedicel 0.8–1.5 cm long, articulated at base, stellate-pubescent; epicalyx of 5 lanceolate bracts, 1.5–2 × 0.2–0.5 cm, stellate-pubescent, always longer than the sepals; calyx lobes 5, ovate to triangular, 1–1.3 × 0.4–0.6 cm, stellate-pubescent with a prominent rib-like midvein and two weaker lateral ones
Morphology Reproductive morphology Flowers Corolla
Corolla yellow with a maroon blotch at base, 4.5–6 cm long, sparsely stellate-hairy.
Morphology Reproductive morphology Flowers Androecium Stamens
Staminal tube 1.4–2 cm long; filaments 3 mm long; exserted part of style 3.5–7 mm long, glabrous
Morphology Reproductive morphology Fruits
Capsule conical, 1.5–2.5 cm long, 1.5 cm diameter, densely stellate-setose.
Morphology Reproductive morphology Seeds
Seeds reniform, pale brown, 5 × 3–4 mm, densely tomentose.
Ecology
Woodland and bushland; 700–1400 m
Distribution
Flora districts: T1 T5 T7 Range: Ethiopia (one collection), Zambia, Mozambique, Botswana, Namibia, South Africa
[FTEA]

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 of Tropical East Africa

    • Flora of Tropical East Africa
    • http://creativecommons.org/licenses/by-nc-sa/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