SWANEPOEL, W.; WYK, A. E. V. Petalidium matupaense (Acanthaceae), a new species from Angola. Phytotaxa, Auckland, New Zealand, v. 784, n. 2, p. 188–200, 2026. DOI: 10.11646/phytotaxa.784.2.4. Disponível em: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.784.2.4. Acesso em: 12 nov. 2026.