Published November 4, 2025 | Version v1
Taxonomic treatment Open

Acridocarpus Guill. & Perr.

  • 1. Royal Botanical Gardens, Kew, Richmond, London, Surrey, UK & Kew Madagascar Conservation Centre, Antananarivo, Madagascar
  • 2. C. E. Moss Herbarium, University of the Witwatersrand, Johannesburg, South Africa
  • 3. Royal Botanical Gardens, Kew, Richmond, London, Surrey, UK

Description

Acridocarpus Guill. & Perr., nom. cons. (Guillemin and Perrottet 1831: 123)

Anomalopterys (DC.) G. Don (Don 1831: 647) – Heteropterys sect. Anomalopterys DC. (De Candolle 1824: 592) – Type species: Anomalopterys spicata G. Don, nom. superfl. [Acridocarpus smeathmannii (DC.) Guill. & Perr.].

Rhinopteryx Nied. (Niedenzu 1896: 352) – Type species: Rhinopteryx spectabilis Nied. [Acridocarpus spectabilis (Nied.) Doorn-Hoekm.].

Type species

Acridocarpus plagiopterus Guill. & Perr.

Diagnosis

Acridocarpus is characterised by its tree, shrub to lianescent habit, leaves alternate, usually abaxially glandular near the midvein and base, long to short thyrses, bracteoles 0–2 glandular, sepals 0–5 glandular, nectar-secreting, posterior petals 2, erect, lateral petals patent, all petals with margins crenate to dentate, stamens 10, filaments heteromorphic in length, anthers poricidal, pollen parasyncolporate, gynoecium 3 - carpellate, styles 2, erect and curved inwards, mericarps with dorsal wing well-developed, and lateral wings absent (Niedenzu 1928).

Distribution

Acridocarpus is currently composed of 36 accepted species (19 of which are threatened; POWO 2025) distributed in continental Africa, Madagascar, the Arabian Peninsula, Iran, and Oceania (i. e. New Caledonia) (Almeida et al. 2024 a; POWO 2025).

Habitat and ecology

Acridocarpus comprises species of trees, shrubs, scandent shrubs, or lianas that are endemic to rainforests, savannas, and seasonally dry tropical forests (Almeida et al. 2024 a; POWO 2025).

Notes

There is no updated identification key for all species of Acridocarpus, but Niedenzu’s (1928) treatment covers 25 out of the 36 currently accepted species.

Notes

Published as part of de Almeida, Rafael F., Rasambo, Sedera Norotiana, Elliott, Kelda, Pellegrini, Marco O. O., Rakotonirina, Nivohenintsoa, Randriamboavonjy, Tiana, Rajaonah, Mamy Tiana, Andrianantenaina, Miantsa, Randrianarimanana, Noro Fenitra, Rakotomalala, Nantenaina Herizo, Rakotondratsimba, Mbola, Ranaivoson, Sedera Ny Aina, Randriatsarazaka, Tafitaniaina, Goyder, David & Vorontsova, Maria S., 2025, Historical biogeography and character-mapping of Acridocarpus (Malpighiaceae) evidence a revised infrageneric classification system and shifts in African biomes from the Eocene to the Miocene, pp. 428-444 in Plant Ecology and Evolution 158 (3) on pages 428-444, DOI: 10.5091/plecevo.158824

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Linked records

Additional details

Biodiversity

Scientific name authorship
Guill. & Perr.
Kingdom
Plantae
Phylum
Tracheophyta
Order
Malpighiales
Family
Malpighiaceae
Genus
Acridocarpus
Taxon rank
genus

References

  • Guillemin JBA, Perrottet GGS (1831) Malpighiaceae. Juss. In: Guillemin JBA, Perrottet GGS, Richard A (Eds) Florae Senegambiae Tentamen, Vol. 1. Treuttel & Wurtz, Paris, 123-124.
  • Don G (1831) A General History of the Dichlamydeous Plants, Vol. 1. J. G. and F. Rivington, London, 1–818.
  • De Candolle AP (1824) Prodromus Systematis Naturalis Regni Vegetabilis, Vol. 1. Sumptibus Sociorum Treuttel & Wu ̈ rtz, Paris, 1–745.
  • Niedenzu FJ (1896) Malpighiaceae. In: Engler A, Prantl K (Eds) Die Natürlichen Pflanzenfamilien., Embryophyta siphonogama, Vol. 3, Part 4. V. W. Engelmann, Leipzig, 41–74, 352–353.
  • Niedenzu FJ (1928) 141. Malpighiaceae, Pars II. In: Engler A (Ed.) Das Pflanzenreich: Regni Vegetablilis Conspectus, Vol. IV, Part 93–94. V. W. Engelmann, Leipzig, 248–870.
  • POWO (2025) Plants of the World Online. Facilitated by the Royal Botanic Gardens, Kew. https://powo.science.kew.org [accessed 07. 02. 2025]
  • Almeida RF, de Morais IL, Alves-Silva T, Antonio-Domingues H, Pellegrini MOO (2024 a) A new classification system and taxonomic synopsis for Malpighiaceae (Malpighiales, Rosids) based on molecular phylogenetics, morphology, palynology, and chemistry. PhytoKeys 242: 69–138. https://doi.org/10.3897/phytokeys.242.117469