Aloe marlothii is a large, single-stemmed Southern African aloe

Aloe

Aloe , also Aloë, is a genus containing about 500 species of flowering succulent plants. The most common and well known of these is Aloe vera, or "true aloe"....

 of rocky places and open flat country, occasionally growing to 6m tall. Its distribution ranges from the Klip River Hills in Johannesburg

Johannesburg

Johannesburg also known as Jozi, Jo'burg or Egoli, is the largest city in South Africa, by population. Johannesburg is the provincial capital of Gauteng, the wealthiest province in South Africa, having the largest economy of any metropolitan region in Sub-Saharan Africa...

, through eastern Botswana

Botswana

Botswana, officially the Republic of Botswana , is a landlocked country located in Southern Africa. The citizens are referred to as "Batswana" . Formerly the British protectorate of Bechuanaland, Botswana adopted its new name after becoming independent within the Commonwealth on 30 September 1966...

, northwards over the Soutpansberg

Soutpansberg

The Soutpansberg meaning "Salt Pan Mountain" in Afrikaans, is a range of mountains in the far north of South Africa. It is named for the salt pan located at its western end. The mountain reaches the opposite extremity at in the Matikwa Nature Reserve, some due east...

 to Zimbabwe

Zimbabwe

Zimbabwe is a landlocked country located in the southern part of the African continent, between the Zambezi and Limpopo rivers. It is bordered by South Africa to the south, Botswana to the southwest, Zambia and a tip of Namibia to the northwest and Mozambique to the east. Zimbabwe has three...

 and Malawi

Malawi

The Republic of Malawi is a landlocked country in southeast Africa that was formerly known as Nyasaland. It is bordered by Zambia to the northwest, Tanzania to the northeast, and Mozambique on the east, south and west. The country is separated from Tanzania and Mozambique by Lake Malawi. Its size...

 and eastwards through Swaziland

Swaziland

Swaziland, officially the Kingdom of Swaziland , and sometimes called Ngwane or Swatini, is a landlocked country in Southern Africa, bordered to the north, south and west by South Africa, and to the east by Mozambique...

 and Mozambique

Mozambique

Mozambique, officially the Republic of Mozambique , is a country in southeastern Africa bordered by the Indian Ocean to the east, Tanzania to the north, Malawi and Zambia to the northwest, Zimbabwe to the west and Swaziland and South Africa to the southwest...

 to the coast. This species grades through intermediate forms into Aloe spectabilis Reynolds of Kwa-Zulu Natal, and the two are now considered synonymous.

Named after Rudolf Marloth

Rudolf Marloth

Hermann Wilhelm Rudolf Marloth 28 December 1855 Lübben, Germany - 15 May 1931 Caledon, Cape Province was a German-born South African botanist, pharmacist and analytical chemist, best known for his Flora of South Africa which appeared in six superbly illustrated volumes between 1913 and 1932...

, the renowned South African botanist, this species in full flower presents a magnificent spectacle, the trunk densely covered by the withered old leaves, which when green can be up to 1.5m in length and usually densely covered in short spines on the convex lower surfaces and less so on the concave upper surfaces.

The inflorescence is a much-branched panicle with up to 30 or exceptionally 50 racemes . Flower colour ranges from yellow through orange to bright red. Flowering colour is through the winter months, as is the case with most aloes. Aloe marlothii forms natural hybrids with some 30 or more species.