Aloe excelsa
Aloe excelsa
Aloe excelsa is a species of the genus Aloe in the subfamily Asphodelus ( Asphodeloideae ). The specific epithet excelsa is Latin, means high ' and refers to the growth of the Art
- 3.1 Literature
- 3.2 Notes and references
Description
Vegetative characteristics
Aloe excelsa grows individually and stem -forming. The upright stem is up to 4 meters long and covered with the remnants of dry leaves. The 30 triangular pointed leaves form dense rosettes. The oldest of them are bent back over time. The dull green leaf blade is up to 80 centimeters long and 15 centimeters wide. The lower leaf surface is usually warty - spiny. The pungent, reddish brown teeth on the leaf margin are 5-6 millimeters long and are 15 to 20 millimeters apart.
Inflorescences and flowers
The inflorescence consists of up to 14 branches and is 80 to 100 inches long. The very dense, cylindrical clusters are 15 to 25 inches long. The recurved bracts have a length of 4 to 6 mm and as wide. The red or orange flowers are at about 1 millimeter long pedicles. The slightly bulbous flowers are 30 mm long and rounded at their base. At the level of the ovary, they have a diameter of 5 millimeters. Furthermore, it has expanded to the middle to 7 millimeters and then narrows to its muzzle. Your outer tepals are not fused together over a length of about 15 millimeters. The stamens and the style protrude up to 10 mm from the flower.
Genetics
The chromosome number is.
Systematics and distribution
Aloe excelsa is widespread in Malawi, Mozambique, Zambia, Zimbabwe and South Africa. Aloe excelsa var breviflora grows in Malawi and Mozambique at altitudes 230-615 m on fire listed rock deposits.
The first description by Alwin Berger was published in 1906. We distinguish the following varieties:
- Aloe excelsa var excelsa
- Aloe excelsa var breviflora L.C.Leach
Aloe excelsa var breviflora The differences with Aloe excelsa var excelsa are: The leaves are narrow and have no spines on both sides. The flower clusters are narrower and usually less dense. The flowers are about 20 mm long.
The first description of the variety was made in 1977 by Leslie Charles Leach.