Clerodendrum thomsoniae Balf.f.

First published in Gard. Chron. 1862: 70 (1862)
This species is accepted
The native range of this species is W. Tropical Africa to Cameroon. It is a liana and grows primarily in the wet tropical biome. It is has environmental uses and as a medicine.


Bernal, R., G. Galeano, A. Rodríguez, H. Sarmiento y M. Gutiérrez. 2017. Nombres Comunes de las Plantas de Colombia.

corazón herido, gota de sangre, lágrimas de Obando

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.

Cultivada en Colombia; Alt. 100 - 1600 m.; Andes, Orinoquia, Valle del Cauca.
Morphology General Habit

Verbenaceae, H. Huber, F. N. Hepper & R. D. Meikle. Flora of West Tropical Africa 2. 1963

Morphology General Habit
An almost glabrous climbing shrub
Morphology Reproductive morphology Flowers Calyx
A large white calyx
Morphology Reproductive morphology Flowers
Bright crimson flowers.

Biogeografic region: Andean, Orinoquia. Elevation range: 100–1600 m a.s.l. Cultivated in Colombia. Naturalised in Colombia. Colombian departments: Antioquia, Casanare, Valle del Cauca.
Habitat according IUCN Habitats Classification: forest and woodland, shrubland, artificial - terrestrial.

Flora Zambesiaca. Vol 8, Pt 7. Avicenniaceae, R. Fernandes. Nesogenaceae, M.A. Diniz. Verbenaceae, R. Fernandes. Lamiaceae, R. Fernandes. 2005.

Type a cultivated plant in Edinburgh Bot. Gard.
Morphology General Habit
Climber to 7 m or shrub 1–2 m tall; branchlets slender, obtusely tetragonous, greyish, puberulent and brown or purplish when very young
Morphology Leaves
Leaves 6–18 × 3–10 cm, elliptic or ovate-elliptic, acuminate at the apex, rounded or shortly cuneate at the base, entire, subchartaceous or membranous, dark green above, lighter beneath, usually blackish on drying, glabrous on both faces or slightly puberulous on the nervation beneath; petiole 0.8–3.5 cm long, slender, puberulous
Morphology Reproductive morphology Inflorescences
Cymes few-flowered, lax, axillary in the uppermost leaves or subtended by bracts, all forming a terminal, foliate, corymbose inflorescence, 5–9 cm long and 4–8.5 cm wide; pedicels of dichotomies up to 2.8 cm long
Morphology Reproductive morphology Flowers Calyx
Calyx white at anthesis, turning yellow, pink or violet-red, 1.4–3 cm long, ± pentagonous and inflated; lobes 8–10 mm long, broadly ovate, apiculate or shortly acuminate, connivent at the apex, ± completely concealing the corolla tube
Morphology Reproductive morphology Flowers Corolla
Corolla red, scarlet or crimson, sometimes deep rose; tube c. 2.5 cm long, slender, glandular-pubescent; lobes 6–10 × 3.5–4 mm
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens long-exserted
Morphology Reproductive morphology Fruits
Fruit black, glossy.
Morphology General
A very ornamental plant originally from west tropical Africa and cultivated in Europe and in many tropical countries
Mozambique District code: MOZ MS, MOZ M.

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.

Predicted extinction risk: not threatened. Confidence: confident


Use Environmental
Environmental uses.
Use Medicines
Medical uses.


  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
  • Catálogo de Plantas y Líquenes de Colombia

  • Flora Zambesiaca

    • Flora Zambesiaca
  • Flora of West Tropical Africa

    • Flora of West Tropical Africa
  • Herbarium Catalogue Specimens

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  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at and
    • © Copyright 2023 World Checklist of Vascular Plants.
  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at and
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants.
  • Kew Science Photographs

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  • Universidad Nacional de Colombia

    • ColPlantA database
  • Useful Plants and Fungi of Colombia