& Sebsebe – S. Ethiopia to N. Kenya Aloe rugosquamosa (H.Perrier) J.-B.Castillon & J.-P.Castillon – Central Madagascar Aloe rulkensii T.A.McCoy & O.J.Baptista – Mozambique Aloe rupestris Baker – S. Mozambique to KwaZulu-Natal Aloe rupicola Reynolds – Angola (Bié) Aloe ruspoliana Baker – S. & E. Ethiopia to Kenya Aloe ruvuensis T.A.McCoy & Lavranos – N. Tanzania S Aloe sakarahensis Lavranos & M.Teissier – Madagascar Aloe sanguinalis Awale & Barkworth - N. Somalia Aloe saudiarabica T.A.McCoy – S.W. Saudi Arabia Aloe saundersiae (Reynolds) Reynolds – KwaZulu-Natal Aloe scabrifolia L.E.Newton & Lavranos – Kenya Aloe schelpei Reynolds – Central Ethiopia Aloe schilliana L.E.Newton & G.D.Rowley – N. Madagascar Aloe × schimperi Tod. – Cape Province Aloe schoelleri Schweinf. – W. Eritrea Aloe schomeri Rauh – S.E. Madagascar Aloe schweinfurthii Baker – Mali to South Sudan Aloe scobinifolia Reynolds & P.R.O.Bally – N. Somalia Aloe scorpioides L.C.Leach – S.W. Angola Aloe secundiflora Engl. – S. Ethiopia to Tanzania Aloe seibanica Orlando & El Azzouni – South Yemen Aloe seretii De Wild. – E. DR Congo Aloe serriyensis Lavranos – S. Yemen (Jebel Arays) Aloe shadensis Lavranos & Collen. – S.W. Saudi Arabia (Jabal Shada) Aloe sharoniae N.R.Crouch & Gideon F.Sm. – Swaziland to N. & Central KwaZulu-Natal Aloe sheilae Lavranos – W. Saudi Arabia Aloe silicicola H.Perrier – Central Madagascar Aloe simii Pole-Evans – Mpumalanga Aloe sinana Reynolds – Central Ethiopia Aloe sinkatana Reynolds – N.E. Sudan Aloe sobolifera (S.Carter) Wabuyele – Tanzania Aloe socialis (H.Perrier) L.E.Newton & G.D.Rowley – W. Madagascar Aloe somaliensis C.H.Wright ex W.Watson – Djibouti to N. Somalia Aloe soutpansbergensis I.Verd. – Limpopo Aloe speciosa Baker – S. Cape Province Aloe spectabilis Reynolds – KwaZulu-Natal Aloe spicata L.f. – S.E. Zimbabwe to S. Africa Aloe spinitriaggregata J.-B.Castillon – Madagascar Aloe springatei-neumannii L.E.Newton – Kenya Aloe squarrosa Baker ex Balf.f. – W. Socotra Aloe steudneri Schweinf. – Eritrea to N.W. Ethiopia Aloe striata Haw. – Cape Province Aloe suarezensis H.Perrier – N. Madagascar Aloe subacutissima G.D.Rowley – S. Central Madagascar Aloe subspicata (Baker) Boatwr. & J.C.Manning – S. Africa Aloe succotrina Weston – S.W. Cape Province Aloe suffulta Reynolds – S. Malawi to N.E. KwaZulu-Natal Aloe suprafoliata Pole-Evans – Mpumalanga to N. KwaZulu-Natal Aloe suzannae Decary – S. Madagascar Aloe swynnertonii Rendle – E. Zimbabwe to W. Mozambique T Aloe tartarensis T.A.McCoy & Lavranos – Kenya (Tartar Falls) Aloe tauri L.C.Leach – S. Zimbabwe Aloe tegetiformis L.E.Newton – Kenya Aloe