Aloe sladeniana

Aloe sladeniana
	Aloe sladeniana
Systematics
	Monocots
Order :	Asparagales (Asparagales)
Family :	Grass trees (Xanthorrhoeaceae)
Subfamily :	Affodilla family (Asphodeloideae)
Genre :	Aloes ( aloe )
Type :	Aloe sladeniana
Scientific name
	Aloe sladeniana
	Pole Evans

Aloe sladeniana is a species of aloes in the subfamily of the Affodilla family (Asphodeloideae). The specific epithet sladeniana refers to the Percy Sladen Memorial Trust Expeditions , as the type specimen of the species was collected during one of them.

description

Vegetative characteristics

Aloe sladeniana grows without a trunk, sprouts and forms groups. The six to eight lanceolate, pointed leaves are arranged in three rows. The green leaf blade is 4 to 8 inches long and 3 to 4 inches wide. There are many white, elongated, confluent, scattered spots on the leaf surface, or the spots are arranged in irregular transverse bands. The underside of the leaf is indistinctly keeled near the tip. There are a few small, white and hard spines on the keel. The narrow leaf margin is whitish and cartilaginous. The hard, white teeth on the leaf edge are about 1 millimeter long and 2 to 5 millimeters apart.

Inflorescences and flowers

The inflorescence is simple or consists of one or two branches and reaches a length of about 50 centimeters. The loose, cylindrical, pointed grapes are about 18 centimeters long and 7 centimeters wide. The deltoid pointed bracts have a length of about 6 millimeters and are 4 millimeters wide. The cloudy pink flowers are slightly greenish at their mouth and stand on 17 millimeter long flower stalks . They are 30 millimeters long and trimmed at their base. At the level of the ovary , the flowers are 7 millimeters in diameter. Above this, they are suddenly narrowed to 5 millimeters and then widened to 8 millimeters towards their mouth. Your tepals are not fused together over a length of 7 millimeters. The stamens and the style protrude up to 1 millimeter from the flower.

Systematics, distribution and endangerment

Aloe sladeniana is widespread on quartz hills southwest of Windhoek in Namibia .

The first description by Illtyd Buller Pole-Evans was published in 1920. A synonym is Aloe carowii Reynolds (1938).

Aloe sladeniana is in the endangered Red List species the IUCN as " Least Concern (LC) ", d. H. classified as not endangered in nature.

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. 400 .
Leonard Eric Newton: Aloe sladeniana . In: Urs Eggli (Hrsg.): Succulent lexicon. Monocotyledons . Eugen Ulmer, Stuttgart 2001, ISBN 3-8001-3662-7 , pp. 180 .

Individual evidence

↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 222.
^ Annals of the Bolus Herbarium . Volume 3, Number 1, 1920, p. 13.
↑ Aloe sladeniana in the endangered Red List species the IUCN 2012. Posted by: Loots, S., 2004. Accessed October 18, 2012th

Web links

Commons : Aloe sladeniana - collection of images, videos and audio files

Photos of Aloe sladeniana

[1] Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 222.

[2] Annals of the Bolus Herbarium . Volume 3, Number 1, 1920, p. 13.

[3] Aloe sladeniana in the endangered Red List species the IUCN 2012. Posted by: Loots, S., 2004. Accessed October 18, 2012th