Aloe excelsa var. excelsa
The species excelsus means “tall” or “high.” This aloe is native to Zimbabwe, Zambia, Malawi, and northwestern South Africa, at elevations of 1476-5249' (450-1600 m). It is not found in the wild in North America.
Identification: These aloes appear atop trunks 9½-20' (3-6 m) tall. Dead leaves cover all but the bottom of the trunk. Dark green leaves at the top can reach 3' (1 m) in length and up to 1" (3 cm) in thickness. Flowers are tall spikes, in groups of 10-15, that are dark red or red-orange. Flowering is July-September.
See the Aloe comparison table.
Aloe excelsa var. excelsa in Flora of Zimbabwe
Aloe excelsa var. excelsa on Desert-tropicals.com
Aloe excelsa var. excelsa on Wikipedia
Aloe excelsa var. excelsa on the Red List of South African Plants
Aloe excelsa var. excelsa description by Thomas H. Kent, last updated 16 Aug 2013.
Range: Zones 9b-11: