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A species of aloe (Aloe Sanguinalis knew in Somali as “Dacar Cas”) believed to be new to science has been found in the Republic of Somaliland.

Aloe Sanguinalis “Dacar Cas”: A New Species From Somaliland
The Somali red aloe (Aloe sanguinalis) from Alala Adka, Somaliland, in June 2017: (A) whole inflorescence, including peduncle; (B) sap, showing color after 10-15 minutes; (C) leaves freshly cut near their base showing color of sap when fresh; (D) decumbent offset, showing roots from some nodes; (E) inflorescence branch and flowers from another branch, arranged from top to bottom of the branch; (F) flower after maturation of style. Image credit: Barkworth et al, doi: 10.3897/phytokeys.117.28226.

The genus Aloe includes over 600 species, all native to Africa, islands in the western Indian Ocean or the Arabian Peninsula.

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Its members are succulent plants with densely packed, spirally arranged leaves.

Almost all species are considered to have medicinal or cosmetic value, but a few are poisonous. Only one, Aloe vera, is widely cultivated.

The new species of aloe, named the Somali red aloe (Aloe sanguinalis), was discovered in Somaliland by Utah State University botanist Dr. Mary Barkworth and her colleagues from the University of Hargeisa and the Candlelight for Environment, Education, and Health.

“This news comes from a region which had experienced periods of conflict and instability, climate change effects and accelerated environmental degradation, whereby much of the people’s attention has been focused on promoting livelihoods and resilience,” Dr. Barkworth said.

Aloe Sanguinalis “Dacar Cas”: A New Species From Somaliland
Aloe sanguinalis at Alala Adka showing the largest clump in October 2016.

“With this positive piece of information, we hope that we inspire scientists to further explore the area.”

The Somali red aloe, locally known as ‘Dacar Cas’ or ‘Red Aloe,’ differs from other species of the genus in its combination of sap that is initially yellow but quickly turns bright red, drying to dark red or brownish-red, strong clump-forming habit, red teeth and paniculate inflorescence of well-spaced glabrous, red flowers.

Flowering time in this species is probably determined by the timing of the spring rains which fall between late March and early June.

“The new species is currently known from only two locations, the type locality near Alala Adka and a more northern locality near the village of Lafarug,” the researchers said.

The discovery is reported in the journal PhytoKeys.

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M.E. Barkworth et al. 2019. Dacar Cas/Somali Red Aloe: a new species of Aloe (Asphodelaceae) from SomalilandPhytoKeys 117: 85-97; doi: 10.3897/phytokeys.117.28226. Download as PDF

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