Aloe percrassa

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

Aloe percrassa is a species of aloes in the subfamily of the Affodilla family (Asphodeloideae). The specific epithet percrassa is derived from the Latin words per- for 'very' and crassus for 'thick' and refers to the succulent leaves of the species.

description

Vegetative characteristics

Aloe percrassa grows stemless or stem-forming, is simple or forms groups. The upright or prostrate trunk reaches a length of up to 80 centimeters and is 15 centimeters thick. It is covered with dead leaves. The 24 or more deltoid leaves form a dense rosette . The glaucous green or gray-green, slightly bluish to reddish tinged leaf blade is 40 to 55 centimeters long and 10 to 15 centimeters wide. It is sometimes spotted on young shoots. The whitish to pinkish red teeth on the leaf margin are 3 to 5 millimeters long and 0.6 to 16 millimeters apart. The leaf juice dries yellow.

Inflorescences and flowers

The inflorescence has five to twelve branches and reaches a length of 60 to 80 centimeters. The dense, cylindrical-conical grapes are 12 to 25 centimeters (rarely from 6.5 centimeters) long and 5 to 6 centimeters wide. The egg-shaped pointed bracts have a length of 8 to 20 millimeters and are 3 to 6 millimeters wide. The scarlet red flowers are lighter at their mouth and stand on 11 to 20 millimeter long peduncles . They are 17 to 23 millimeters long and narrowed briefly at their base. At the level of the ovary , the flowers have a diameter of 6 millimeters. They are not narrowed beyond that. Your outer tepals are not fused together over a length of 5 to 7 millimeters. The stamens and the stylus barely protrude from the flower.

Systematics and distribution

Aloe percrassa is common in Eritrea and the northeast of Ethiopia on rocky slopes with sparse vegetation at altitudes of 2100 to 2700 meters.

The first description by Agostino Todaro was published in 1875.

Synonyms are Aloe abyssinica var. Percrassa (Tod.) Baker (1880), Aloe schimperi Schweinf. (1894, nom. Illeg. ICBN -Article 53.1), Aloe oligospila Baker (1902) and Aloe schimperi G.Karst. & Schenk (1905, nom. Illeg. ICBN -Article 53.1).

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. 360 .
Leonard Eric Newton: Aloe percrassa . In: Urs Eggli (Hrsg.): Succulent lexicon. Monocotyledons . Eugen Ulmer, Stuttgart 2001, ISBN 3-8001-3662-7 , pp. 168 .

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. 98.
↑ Agostino Todaro: Hortus Botanicus Panormitanus . Volume 1, 1875, pp. 81-82, plate 21 ( online ).

Web links

Commons : Aloe percrassa - Collection of images, videos and audio files

[1] 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. 98.

[2] Agostino Todaro: Hortus Botanicus Panormitanus . Volume 1, 1875, pp. 81-82, plate 21 ( online ).