Aloe rauhii
Aloe rauhii
Aloe rauhii is a plant of the genus of aloes in the subfamily Asphodelus ( Asphodeloideae ). The specific epithet rauhii honors the German botanist Werner Rauh.
- 3.1 Literature
- 3.2 Notes and references
Description
Vegetative characteristics
Aloe rauhii growing stemless or very short stem -forming, branched and then forming dense groups. The up to 20 - lanceolate deltoids leaves form dense rosettes. The gray-green, sometimes brownish suffused leaf blade is 7 to 10 centimeters long and 1.5 to 2 inches wide. On it there are numerous scattered, H-shaped spots. The leaf tip is pointed. The white teeth on cartilaginous, white margin are about 0.5 millimeters long and are 1 to 2 millimeters apart.
Inflorescences and flowers
The simple or rarely once branched inflorescence reaches a length of 30 centimeters. The loose, cylindrical and slightly tapering grapes are about 7 inches long and 4 inches wide. They consist of twelve to 18 flowers. The ovate - acute, narrowed, white bracts have a length of 4 to 5 mm and 2 mm wide. The pink - scarlet flowers are brighter at its mouth. They stand at 10 millimeters long pedicles. The flowers are 25 millimeters long and short narrowed at its base. At the level of the ovary, the petals have a diameter of 5 millimeters. In addition they are slightly narrowed and then extended towards the mouth. Your tepals are not fused together. The stamens and the style protrude up to 1 millimeter from the flower.
Genetics
The chromosome number is 2n = 14
Systematics, distribution and hazard
Aloe rauhii is widespread in Madagascar on sandstone rocks in dense bush at altitudes of about 600 meters. The species is known only from the vicinity of the location type.
The first description by Gilbert Westacott Reynolds was published in 1963. A synonym is nomenklatorisches Guillauminia rauhii ( Reynolds ) PVHeath (1994).
Aloe is rauhii out in Appendix I of the CITES Convention.