Ipomoea kotschyana Hochst. ex Choisy

First published in A.P.de Candolle, Prodr. 9: 354 (1845)
This species is accepted
The native range of this species is Cape Verde to W. Tropical Africa, NE. Tropical Africa to Mozambique. It is an annual or biennial and grows primarily in the seasonally dry tropical biome.

Descriptions

Convolvulaceae, Maria Leonor Gonçalves. Flora Zambesiaca 8:1. 1987

Morphology General Habit
Annual or biennial herb with long slender rhizome.
Morphology Stem
Stems very slender, trailing, pubescent to glabrescent.
Morphology Leaves
Leaf lamina lanceolate to oblong-ovate in outline, 1·5–3 × 0·4–2 cm.; upper leaves lanceolate, entire or with two small basal lobes; lower and radical leaves 1–2–pinnatifid with the lobes linear 0·5–1·5 × 0·1–0·3 cm., sometimes sparsely dentate, pubescent; petiole 0·2–1·5 cm. long.
Morphology Reproductive morphology Flowers
Flowers axillary, solitary, subsessile; pedicels up to 3 mm. long.
Morphology Reproductive morphology Flowers Calyx
Sepals unequal, pubescent, the outer three 6 mm. long, base ovate and coriaceous, often dentate on either side, apex narrow; the two inner ones much shorter, elliptic, hyaline.
Morphology Reproductive morphology Flowers Corolla
Corolla very narrowly tubular, pink with dark centre, more or less long, opening in the evening.
Morphology Reproductive morphology Fruits
Capsule globose, glabrous, 6-valved.
Morphology Reproductive morphology Seeds
Seeds 4–6, small collateral, together forming a sphere, pale brown with dark spots and patches or pubescence.
[FZ]

Convolvulaceae, H. Heine. Flora of West Tropical Africa 2. 1963

Morphology General Habit
A slender annual
Morphology Reproductive morphology Flowers
Small flowers.
[FWTA]

Convolvulaceae, B. Verdcourt (East African Herbarium). Flora of Tropical East Africa. 1963

Morphology General Habit
Annual or biennial herb with long slender rootstock; stems 3–5, prostrate, 12–60 cm. long, densely white-pilose above, glabrescent beneath.
Morphology Leaves
Leaf-blade lanceolate to oblong-ovate in outline, 1.5–3.5 cm. long, 0.4–3.5 cm. wide; petiole 0.2–2 cm. long; upper leaves lanceolate, entire or with two small basal lobes; lower and radical leaves 3–13-lobed, with the lobes linear, 0.5–3 cm. long, 0.1–0.3 cm. wide, sometimes sparsely toothed, somewhat pilose.
Morphology Reproductive morphology Flowers
Flowers axillary, solitary; pedicels 3 mm. long.
Morphology Reproductive morphology Flowers Calyx
Outer sepals 6 mm. long, base ovate and coriaceous, often toothed on either side, apex narrow and foliaceous; inner much shorter, elliptic, hyaline.
Morphology Reproductive morphology Flowers Corolla
Corolla pink with dark centre, very narrowly tubular, 1.1 cm. long, tube 0.75 mm. wide and limb 5 mm. wide, opening in the evening.
Morphology Reproductive morphology Fruits
Capsule globose, glabrous, 5 mm. diameter, 6-valved.
Morphology Reproductive morphology Seeds
Seeds 4–6, collateral, together forming a sphere, pale brown with dark spots and patches of pubescence, 2.1 mm. long.
Habitat
Grassy banks on sandy soil just above sea level.
Distribution
K7 T6
[FTEA]

M. Thulin et al. Flora of Somalia, Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Morphology General Habit
Annual or short-lived perennial herb; stems prostrate, 10–60 cm long, densely pilose when young
Morphology Leaves
Upper leaves lanceolate, entire or with 2 basal lobes; lower leaves pinnately 3–13-lobed with linear lobes, 5–30 x 1–3 mm, sometimes sparsely toothed, sparsely pilose; petiole 2–20 mm long
Morphology Reproductive morphology Inflorescences
Flowers solitary; pedicels up to 3 mm long; bracts linear-lanceolate, 7–9 mm long
Morphology Reproductive morphology Flowers Calyx
Outer sepals ovate, 4–7 mm long, often 3-lobed, pilose; inner lobes elliptic, much shorter
Morphology Reproductive morphology Flowers Corolla
Corolla pink with dark centre, very narrowly tubular, c. 11 mm long, opening in the evening
Morphology Reproductive morphology Fruits
Capsule globose, glabrous, c. 5 mm in diam., 6-valved
Morphology Reproductive morphology Seeds
Seeds c. 2 mm long, pale brown with dark spots and patches of hairs.
Distribution
C2; S1, 2; Socotra, Eritrea, Ethiopia, Sudan, Mali, Kenya, Tanzania
Ecology
Altitude range 10–310 m.
[FSOM]

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 Somalia

    • Flora of Somalia
    • 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
  • Flora of West Tropical Africa

    • Flora of West Tropical 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
  • Kew Science Photographs

    • Copyright applied to individual images