Aloe helenae

Aloe helenae

Aloe helenae is a plant of the genus of aloes in the subfamily Asphodelus ( Asphodeloideae ). The specific epithet honors helenae Decary Helen, the wife of the Frenchman Raymond Decary.

  • 3.1 Literature
  • 3.2 Notes and references

Description

Vegetative characteristics

Aloe helenae grows singly and trunk -forming. The upright stem is up to 4 meters long and reaches a diameter of up to 20 centimeters. He is busy with the remains of dead leaves. The approximately 40 schwertfömigen, strongly recurved leaves form dense rosettes. Your green leaf blade is up to 140 inches long and 12 to 15 inches wide. The pungent, bright green teeth on the leaf margin are 2-3 millimeters long and are 15 millimeters apart.

Inflorescences and flowers

The simple inflorescence is 40 to 60 inches long. The very dense, cylindrical - clavate grapes are 15 inches long and 9 inches wide. They consist of 300 to 400 flowers. The lanceolate - deltoids, pointed bracts have a length of 12 millimeters and 6 millimeters wide. They are red tipped and thick and fleshy. The yellow flowers have a reddish mouth. They stand at 2-3 mm long pedicles. The basal cylindrical, up wide bell-shaped flowers are 24 to 27 millimeters long and blunt at their base. At the level of the ovary, they have a diameter of 4 millimeters. In addition they are slightly narrowed, and then expanded to its muzzle. Your outer tepals are not fused together over a length 12 to 15 millimeters. The stamens and style are yellow and stand out from 9 to 10 millimeters from the flower.

Systematics, distribution and hazard

Aloe helenae is widespread in southern Madagascar on coastal sand and limestone.

The first description by Paul Auguste Danguy was published in 1929.

Aloe helenae be listed in Annex I of the CITES Convention. In the Red List of Threatened Species IUCN, the type is known as " Critically Endangered (CR ) ', ie classified threatened with extinction.

Evidence

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