Aloe riviere egg
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| Lavranos & LENewton |
Aloe rivierei is a plant of the genus Aloe in the subfamily of asphodeloideae (Asphodeloideae). The specific epithet rivierei honors the Spanish industrialist Fernando Riviere de Caralt (1904–1992).
description
Vegetative characteristics
Aloe rivierei grows trunk-forming and is branched from the base. The upright trunks reach a length of up to 200 centimeters and are 5 centimeters thick. The approximately 15 triangular-pointed leaves form a rosette . The light green leaf blade is 55 inches long and 8 inches wide. There are many light spots on young shoots. The piercing, white, reddish brown pointed teeth on the white translucent edge of the leaf are 2 millimeters long and 4 to 5 millimeters apart.
Inflorescences and flowers
The inflorescence has two branches and reaches a length of up to 120 centimeters. The loose grapes are cylindrically pointed. The light green bracts have a length of 10 millimeters and are 7 millimeters wide. In the bud stage they are arranged in a brick shape. The coral-red flowers turn yellow or orange towards their mouth and are up to 15 millimeter long peduncles . They are 30 millimeters long and rounded at their base. At the level of the ovary , the flowers have a diameter of 4 millimeters. Above this they are very slightly narrowed and finally slightly expanded towards the mouth. Your outer tepals are not fused together over a length of 11 to 13 millimeters. The stamens and the stylus protrude 5 millimeters from the flower.
genetics
The number of chromosomes is .
Systematics and distribution
Aloe rivierei is common in Saudi Arabia and Yemen on cliffs and rocky slopes at altitudes of 1,300 to 1,900 meters.
The first description by John Jacob Lavranos and Leonard Eric Newton was published in 1977.
proof
literature
- Susan Carter , John J. Lavranos , Leonard E. Newton , Colin C. Walker : Aloes. The definitive guide . Kew Publishing, Royal Botanic Gardens, Kew 2011, ISBN 978-1-84246-439-7 , pp. 581 .
- Leonard Eric Newton: Aloe rivierei . In: Urs Eggli (Hrsg.): Succulent lexicon. Monocotyledons . Eugen Ulmer, Stuttgart 2001, ISBN 3-8001-3662-7 , pp. 175 .
Individual evidence
- ↑ Gideon F. Smith, Colin C. Walker, Estrela Figueiredo: What's in a name: epithets in Aloe L. (Asphodelaceae) and what to call the next new species . In: Bradleya . Volume 28, 2010, p. 99.
- ^ John Jacob Lavranos, Leonard Eric Newton: Two new species of Aloe from Arabia . In: Cactus and Succulent Journal . Volume 49, Number 3, Cactus and Succulent Society of America, 1977, pp. 114-116.