Echium hypertropicum is a species of flowering plants of the family Boraginaceae. The species is endemic to Cape Verde.[2] It is listed as an endangered plant by the IUCN.[1][3]
Species of flowering plant
Echium hypertropicum
Echium hypertropicum at Ribeira Principal in Santiago Island
Its local name is língua-de-vaca (cow tongue), a name that may also refer to the related species Echium vulcanorum and Echium stenosiphon.[4] The oil of its seeds contains γ-linolenic acid, and is used for medicinal and dietary purposes.[5]
Echium hypertropicum near Ribeira Principal in Santiago
Description
The plant can reach 2 m height. Its leaves are lance-shaped and can be up to 20cm long. Its flowers are whitish, purplish or bluish.[4] Old plants higher than 0.5–1 m are extremely rare today.[3]
Distribution and ecology
Echium hypertropicum occurs on the islands of Santiago and Brava.[2] It mainly occurs in sub-humid and humid zones.[1]
Romeiras, Maria M.; Cotrim, Helena C.; Duarte, Maria C.; Pais, Maria S. (2007). "Genetic diversity of three endangered species of Echium L. (Boraginaceae) endemic to Cape Verde Islands". Biodiversity and Conservation. Springer. 16: 547–566. doi:10.1007/s10531-006-6734-0.
Gomes, Alda Roque; Vasconcelos, Teresa; Almeida, Helena Guimarães de (31 October 2008). "Plantas na medicina tradicional de Cabo Verde"[Traditional Medicinal Plants in Cape Verde](PDF) (in Portuguese). Plantas Medicinais e Fitoterapêuticas nos Trópicos, IICT/CCCM. p.7. Archived from the original(PDF) on 29 March 2017. Retrieved 24 March 2016.
The endemic vascular plants of the Cape Verde Islands, W Africa, Sommerfeltia 24, 1997, C. Brochmann, Ø. H. Rustan, W. Lobin & N. Kilian, ISSN 0800-6865, ISBN82-7420-033-0
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