Convolvulaceae
Ipomoea

Ipomoea sagittifolia Burm.f.

First published in Fl. Indica: 50 (1768)
This species is accepted
The native range of this species is Cape Verde, Tropical Africa, Tropical & Subtropical Asia to Queensland. It is a climbing herbaceous tree and grows primarily in the seasonally dry tropical biome.

Descriptions

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

Morphology General Habit
Perennial or rarely annual (fide Milne-Redhead & Taylor 10707); stems several from a woody tuberous rootstock, yellow-brown, ridged, pilose to glabrous.
Morphology Leaves
Leaf-blade ovate-cordate, triangular, oblong-triangular or lanceolate, 1–12 cm. long, 1–9.3 cm. wide, ± acuminate or acute at the apex, truncate, sagittate, hastate or with rounded lobes at the base, glabrous save for the margins which are minutely puberulous; petiole 1–4 cm. long.
Morphology Reproductive morphology Inflorescences
Inflorescences few–many-flowered, rather dense; peduncle 1.5–12(–23) cm. long; pedicels 0.75–1.2 cm. long.
Morphology Reproductive morphology Flowers Calyx
Sepals elliptic-oblong or ovate, 4–8 mm. long, obtuse to acutish, glabrous, the outer ones sometimes verruculose.
Morphology Reproductive morphology Flowers Corolla
Corolla lilac-pink or almost white, sometimes with a purple or maroon centre, 2–6 cm. long; limb almost salver-shaped; tube narrow.
Morphology Reproductive morphology Flowers Androecium Stamen and Style
Stamens and style included or very slightly exserted.
Morphology Reproductive morphology Fruits
Capsule globose, glabrous, (4–)6–7 mm. in diameter.
Morphology Reproductive morphology Seeds
Seeds subtrigonous, pale, about 3 mm. diameter, densely tomentose and also with some longer hairs.
Habitat
Swamps and moist places near the sea, also in wooded grassland and Brachystegia-Uapaca woodland inland; 0–1100 m.
Distribution
Sudan and Congo Republics to West Africaalso through tropical Asia and Malaysia to Formosa and Queensland K7 T6 T8 U1 U3 Z
[FTEA]

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

Morphology General Habit
Perennial or rarely annual.
Morphology Stem
Stems several from a cylindrical woody tuberous root-stock, twining, yellow-brown, ridges, pilose to glabrous.
Morphology Leaves
Leaf lamina ovate-cordate, triangular, oblong-triangular, or lanceolate, 1–12·5 × 1–9·5 cm., acuminate or acute at the apex, truncate sagittate, hastate or with rounded lobes at the base, glabrous save for the margins which are minutely puberulous; petiole 1–4 cm. long.
Morphology Reproductive morphology Inflorescences
Inflorescences few-many flowered, rather dense; peduncle 1·5–18 cm. long, glabrous; bracts small, lanceolate to ovate, acute; pedicels 0·5–1·4 cm. long.
Morphology Reproductive morphology Flowers Calyx
Sepals elliptic-oblong or ovate, 4–8 mm. long, obtuse to acutish, glabrous, coriaceous with thinner margins, the outer sometimes verruculose.
Morphology Reproductive morphology Flowers Corolla
Corolla funnel-shaped, lilac-pink or almost white, sometimes with a purple or maroon centre, 2–6 cm. long; limb almost salver-shaped; tube narrow.
Morphology Reproductive morphology
Stamens and style included or very slightly exerted.
Morphology Reproductive morphology Fruits
Capsule globose, glabrous.
Morphology Reproductive morphology Seeds
Seeds subtrigonous, pale, c. 3 mm. in diam., densely tomentose.
[FZ]

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

Morphology General Habit
Perennial herb; stems trailing or climbing, up to several m long, pilose to glabrous
Morphology Leaves
Leaf-blades ovate to lanceolate, 1–12 x 1–9.3 cm, truncate to hastate or sagittate at the base, acute at the apex, glabrous except for puberulous margins; petiole 1–4 cm long
Morphology Reproductive morphology Inflorescences
Cymes few–many-flowered, rather dense; peduncle 1.5–12(–23) cm long; pedicels 0.7–1.2 cm long
Morphology Reproductive morphology Flowers Calyx
Sepals elliptic-oblong to ovate, 4–8 mm long, obtuse to subacute, glabrous
Morphology Reproductive morphology Flowers Corolla
Corolla pink to almost white, sometimes with purple throat, 2–6 cm long, narrow
Morphology Reproductive morphology Fruits
Capsule globose, glabrous, 4–7 mm in diam.
Morphology Reproductive morphology Seeds
Seeds c. 3 mm long, densely tomentose.
Distribution
S2, 3 widespread in tropical Africa, and through tropical Asia to Taiwan and northern Australia.
Ecology
Altitude range 20–40 m.
Vernacular
Bar-baraajis (Somali).
[FSOM]

Sources

  • Art and Illustrations in Digifolia

    • Digital Image © Board of Trustees, RBG Kew

  • 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

  • Herbarium Catalogue Specimens

    • 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 2023. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2022 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 2023. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2022 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