Aloe suzannae

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

Aloe suzannae is a species of aloes in the subfamily of the Affodilla family (Asphodeloideae). The specific epithet suzannae honors Suzanne Decary, the daughter of Raymond Decary and his wife Hélène.

description

Vegetative characteristics

Aloe suzannae grows in a stem-forming manner , is usually solitary or occasionally forms one or two shoots. The trunks are up to 4 meters high and 30 centimeters wide. The 60 to 100 lanceolate, narrowed leaves form dense rosettes . They are persistent below a meter. The deep green leaf blade is 100 centimeters long and 8 to 9 centimeters wide. There are five to seven short teeth at its rounded tip. The leaf surface is very rough. The light brown, stabbing teeth on the leaf margin are 2 millimeters long and 8 to 10 millimeters apart. The leaf sap is deep brown-orange when dry.

Inflorescences and flowers

The simple inflorescence reaches a length of about 3 meters. The dense, cylindrical grapes are about 200 centimeters long and 17 centimeters wide. The linear-deltoid, green bracts have lighter edges and are about 15 millimeters long and 2 millimeters wide. The ivory-white and light pink flowers are on 28 to 30 millimeter long peduncles . They are 33 millimeters long and rounded at their base. At the level of the ovary , the flowers have a diameter of 10 millimeters, above they are slightly narrowed. Their corners are spread out. Your folded back tepals are not fused together over a length of 16 to 17 millimeters. The stamens and the style stick out 10 millimeters from the flower. They are lemon yellow.

genetics

The number of chromosomes is . ${\ displaystyle 2n = 14}$

ecology

The flowers of Aloe suzannae are open at night and are fragrant. They may be pollinated by lemurs and bats.

Systematics, distribution and endangerment

Aloe suzannae is widespread in the south of Madagascar in dense bush at heights of about 30 meters.

The first description by Raymond Decary was published in 1921.

Aloe suzannae is listed in Appendix I of the Washington Convention on Endangered Species . In the Red List of Threatened Species of IUCN is the species as " Critically Endangered (CR) ", d. H. classified critically endangered.

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. 676 .
Leonard Eric Newton: Aloe Suzannae . In: Urs Eggli (Hrsg.): Succulent lexicon. Monocotyledons . Eugen Ulmer, Stuttgart 2001, ISBN 3-8001-3662-7 , pp. 184 .

Individual evidence

↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 234.
^ Raymond Decary: Monographie du district de Tsihombe . In: Bulletin Economique de Madagascar . Volume 18, Number 1, 1921, p. 26.
↑ Appendices I, II and III valid from April 3, 2012 . (accessed October 19, 2012).
↑ Aloe suzannae in the Red List of Threatened Species of the IUCN 2012. Posted by: World Conservation Monitoring Center, 1998. Accessed October 19, 2012th

Web links

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

[1] Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 234.

[2] Raymond Decary: Monographie du district de Tsihombe . In: Bulletin Economique de Madagascar . Volume 18, Number 1, 1921, p. 26.

[3] Appendices I, II and III valid from April 3, 2012 . (accessed October 19, 2012).

[4] Aloe suzannae in the Red List of Threatened Species of the IUCN 2012. Posted by: World Conservation Monitoring Center, 1998. Accessed October 19, 2012th