Ipomoea rubens Choisy

First published in Mém. Soc. Phys. Genève 6: 463 (1833 publ. 1834)[Conv. Or.: 81]
This species is accepted
The native range of this species is Tropical & Subtropical Old World. It is a climbing helophyte and grows primarily in the seasonally dry tropical biome. It is used as animal food.

Descriptions

Distribution
Biogeografic region: Andean. Elevation range: 1300–1300 m a.s.l. Naturalised in Colombia. Colombian departments: Cauca.
Habit
Climbing.
Conservation
IUCN Red List Assessment (2021): LC.
Ecology
Habitat according IUCN Habitats Classification: forest and woodland, savanna, artificial - terrestrial.
[UPFC]

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]

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

Morphology General Habit
Perennial twiner; stems pubescent, rather woody, up to 3.6 m. long.
Morphology Leaves
Leaf-blade entire or rarely 3-lobed, ovate, 5–17 cm. long, 4–14 cm. wide, acuminate at the apex, cordate at the base, glabrous to slightly pubescent or densely velutinous; petiole up to 7(–12) cm. long.
Morphology Reproductive morphology Inflorescences
Peduncle 2–16 cm. long, pubescent, few- to many-flowered; pedicels up to 1.5 cm. long; bracts ovate, minute.
Morphology Reproductive morphology Flowers Calyx
Sepals ovate, obtuse or minutely mucronate, 6–8 mm. long and 5–8 mm. wide, pilose.
Morphology Reproductive morphology Flowers Corolla
Corolla funnel-shaped, purple, 3–4.5 cm. long,sparsely pilose.
Morphology Reproductive morphology Fruits
Capsule globose, glabrous, 1.3 cm. in diameter.
Morphology Reproductive morphology Seeds
Seeds ovoid, 5 mm. long, 4.5 mm. wide, densely hairy; hairs 2.5 mm. long.
Habitat
Papyrus and Echinochloa swamps by rivers, lakes and on seasonally inundated clays and silts; 700–1200 m.
Distribution
widespread in tropical Africa, K5 T1 T4 T6 U3 U4
[FTEA]

Wood, J.R.I., Carine, M.A., Harris, D. et al. 2015. Ipomoea (Convolvulaceae) in Bolivia. Kew Bulletin 70: 31. DOI https://doi.org/10.1007/s12225-015-9592-7

Note
In designating a lectotype we have chosen the best of three sheets at Geneva, where Choisy worked.

It has been found in flower in nearly every month of the year.

The pilose sepals and grey-tomentose leaves can lead to confusion with Ipomoea longibarbis but the corolla is shorter and the bracteoles much smaller. Moreover their habitats are quite different, I. rubens growing by water whereas I. longibarbis is a plant of very dry scrub.

Ecology
A pantropical species originally described from India but with every appearance of being native in Bolivia although molecular studies suggest an Old World origin. In Bolivia widespread but scattered in the eastern lowlands below about 350 m but restricted to the Amazon watershed apart from records from the Pantanal. It is a plant with a very distinct ecology, growing beside slow-moving tropical rivers, streams and small lakes.
Conservation
Least concern (LC).
Type
Type: India, Wallich 1421 (lectotype G 00227258, designated here, isolectotypes G, K-W).
Morphology General Habit
Twining perennial herb, stems tomentose, to several metres high
Morphology Leaves
Leaves petiolate, 4 – 8 × 3 – 5 cm, ovate-deltoid, often shallowly 3-lobed, cordate with rounded auricles, apex acute, adaxially pubescent, abaxially grey-tomentose; petioles 2 – 4 cm, grey-tomentose
Morphology Reproductive morphology Inflorescences
Inflorescence of compact, axillary, pedunculate cymes; peduncles 3 – 12 cm, densely woolly-pilose; bracteoles 3 – 7 mm, linear, caducous; secondary peduncles (if present) 2 – 3 mm; pedicels 5 – 17 mm, pilose; sepals somewhat unequal, outer (8 –) 10 – 14 mm, accrescent to 16 mm in fruit, ovate-deltoid, acute (or obtuse), pilose, inner sepals 8 – 12 mm, obtuse, pilose, margins scarious; corolla 4 – 5.5 cm, funnel-shaped, pink, sericeous-pubescent, limb 4 – 5 cm diam. Capsule globose, 8 – 13 × 11 – 12 mm, enclosed by sepals, glabrous; seeds 5 – 6 mm long, pilose.
[KBu]

Bernal, R., Gradstein, S.R. & Celis, M. (eds.). 2015. Catálogo de plantas y líquenes de Colombia. Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá. http://catalogoplantasdecolombia.unal.edu.co

Distribution
Nativa en Colombia; Alt. 1300 m.; Andes.
Morphology General Habit
Trepadora
Conservation
No Evaluada
[CPLC]

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

Morphology General Habit
Perennial twiner; stems rather woody, up to several m long, pubescent
Morphology Leaves
Leaf-blades ovate, 5–17 x 4–14 cm, cordate at the base, acuminate at the apex, entire or rarely 3-lobed, glabrous to pubescent; petiole up to 12 cm long
Morphology Reproductive morphology Inflorescences
Cymes few–many-flowered; peduncle 2–16 cm long; pedicels up to 1.5 cm long; bracts lanceolate to ovate, c. 3 mm long
Morphology Reproductive morphology Flowers Calyx
Sepals ovate, 6–8 x 5–8 mm, pilose
Morphology Reproductive morphology Flowers Corolla
Corolla purple, 3–4.5 cm long, funnel-shaped
Morphology Reproductive morphology Fruits
Capsule globose, 10–13 mm in diam., glabrous
Morphology Reproductive morphology Seeds
Seeds ovoid, c. 5 mm long, densely covered with c. 2.5–4 mm long hairs.
Distribution
S3 widespread in tropical Africa, Madagascar, and in tropical Asia and South America.
Ecology
Altitude range 40–60 m.
[FSOM]

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/140392190/140392209

Conservation
LC - least concern
[IUCN]

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

Morphology General Habit
Perennial twiner, up to 4 m. long.
Morphology Stem
Stems terete, rather woody, finely striate when dry densely short-pilose with soft white hairs.
Morphology Leaves
Leaf lamina broadly ovate to circular, 5–15 × 4–12 cm., acuminate at the apex, cordate at the base, entire or rarely 3-lobed, glabrous to slightly pubescent or densely velutinous; petiole slender, 3–7 cm. long, pilose like the stems.
Morphology Reproductive morphology Inflorescences
Inflorescences 1-few-flowered cymes with very short cymes branches and consequently flowers subumbellate; peduncle 2–15 cm. long, pilose like the stems; pedicels up to 1·5 cm. long, pilose, bracts ovate, minute.
Morphology Reproductive morphology Flowers Calyx
Sepals ovate, obtuse or minutely mucronate, 6–8 mm. long, pilose.
Morphology Reproductive morphology Flowers Corolla
Corolla funnel-shaped, purple or mauve with darker centre, 4–5 cm. long, sparsely pilose.
Morphology Reproductive morphology Fruits
Capsule globose, glabrous.
Morphology Reproductive morphology Seeds
Seeds ovoid, densely hairy, hairs 2·5 mm. long.
[FZ]

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

Morphology General Habit
A fairly stout twiner
Morphology General Indumentum
Grey-pubescent striate stems
Morphology Reproductive morphology Flowers
Bright red-purple flowers 11/2-2 in. long.
[FWTA]

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

Morphology General Habit
A glabrous twiner or trailer
Morphology Leaves
Very variable leaves
Morphology Reproductive morphology Flowers
Flowers 2 in. long, lilac or darker red-purple.
[FWTA]

Uses

Use Animal Food
Used as animal food.
[UPFC]

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0
  • Catálogo de Plantas y Líquenes de Colombia

    • http://creativecommons.org/licenses/by-nc-sa/3.0
  • 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

    • 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 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 Bulletin

    • Kew Bulletin
    • http://creativecommons.org/licenses/by-nc-sa/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
  • Plants and People Africa

    • Common Names from Plants and People Africa http://www.plantsandpeopleafrica.com/
    • © Plants and People Africa http://www.plantsandpeopleafrica.com http://creativecommons.org/licenses/by/3.0/
  • Useful Plants and Fungi of Colombia

    • http://creativecommons.org/licenses/by-nc-sa/3.0