Aloe perfoliata L. – S.W. & S. Cape Province Aloe perrieri Reynolds – S. Central Madagascar Aloe perryi Baker – Socotra Aloe petricola Pole-Evans – Mpumalanga Aloe petrophila Pillans – Limpopo Aloe peyrierasii Cremers – N. Madagascar Aloe × philippei J.-B.Castillon – S. Madagascar Aloe pictifolia D.S.Hardy – E. Cape Province Aloe pienaarii Pole-Evans – Mozambiqe to S. Mozambique Aloe pirottae A.Berger – S. & E. Ethiopia to N.E. Kenya Aloe plowesii Reynolds – S. Tropical Africa (Chimanimani Mts.) Aloe pluridens Haw. – E. Cape Province to KwaZulu-Natal Aloe polyphylla Pillans – Lesotho (Maluti Mts.) Aloe porphyrostachys Lavranos & Collen. – S.W. Saudi Arabia (Jabal Radhwa) Aloe powysiorum L.E.Newton & Beentje – N. Kenya Aloe praetermissa T.A.McCoy & Lavranos – S. Oman Aloe pratensis Baker – E. Cape Province to KwaZulu-Natal Aloe pretoriensis Pole-Evans – Zimbabwe to Swaziland Aloe prinslooi I.Verd. & D.S.Hardy – Central KwaZulu-Natal Aloe procera L.C.Leach – W. Central Angola (Cuanza Sul) Aloe pronkii Lavranos, Rakouth & T.A.McCoy – Central Madagascar Aloe propagulifera (Rauh & Razaf.) L.E.Newton & G.D.Rowley – Central Madagascar Aloe prostrata (H.Perrier) L.E.Newton & G.D.Rowley – W. Madagascar Aloe pruinosa Reynolds – KwaZulu-Natal Aloe pseudoparvula J.-B.Castillon – Central Madagascar Aloe pseudorubroviolacea Lavranos & Collen. – W. Saudi Arabia Aloe × puberula (Schweinf.) A.Berger – Ethiopia Aloe pubescens Reynolds – Ethiopia (Arussi Province) Aloe pulcherrima M.G.Gilbert & Sebsebe – Ethiopia (Shewa Reg.) Aloe purpurea Lam. – Mauritius Aloe pustuligemma L.E.Newton – N. Kenya R Aloe rabaiensis Rendle – S. Somalia to N. Tanzania Aloe rapanarivoi J.-P.Castillon – Madagascar Aloe rauhii Reynolds – S. Madagascar Aloe rebmannii Lavranos – S.E. Madagascar Aloe reitzii Reynolds – S. Africa Aloe rendilliorum L.E.Newton – Kenya (Marsabit Distr.) Aloe retrospiciens Reynolds & P.R.O.Bally – E. Ethiopia to Somalia Aloe reynoldsii Letty – E. Cape Province Aloe rhodesiana Rendle – S. Tropical Africa (Chimanimani Mts.) Aloe ribauensis T.A.McCoy, Rulkens & O.J.Baptista – Mozambique Aloe richardsiae Reynolds – S.W. Tanzania Aloe richaudii Rebmann – N. Madagascar Aloe rigens Reynolds & P.R.O.Bally – Djibouti to N. Somalia Aloe rivae Baker – S. Ethiopia to N. Kenya Aloe rivierei Lavranos & L.E.Newton – S.W. Arabian Peninsula Aloe rodolphei J.-B.Castillon – N. Madagascar Aloe roeoeslii Lavranos & T.A.McCoy – N. Madagascar Aloe rosea (H.Perrier) L.E.Newton & G.D.Rowley – N. Central Madagascar Aloe rouxii van Jaarsv. – Mpumalanga Aloe rubrodonta T.A.McCoy & Lavranos – N.W. Somalia Aloe rubroviolacea Schweinf. – S.W. Arabian Peninsula Aloe rugosifolia M.G.Gilbert