Haworthia retusa

Haworthia retusa
	Haworthia retusa
Systematics
	Monocots
Order :	Asparagales (Asparagales)
Family :	Grass trees (Xanthorrhoeaceae)
Subfamily :	Affodilla family (Asphodeloideae)
Genre :	Haworthia
Type :	Haworthia retusa
Scientific name
	Haworthia retusa
	( L. ) Duval

Haworthia retusa is a species of the genus Haworthia in the subfamily of the Affodill family (Asphodeloideae). The specific epithet retusa comes from Latin , means 'blunted' and refers to the shape of the leaf tips.

description

Haworthia retusa grows without a trunk and sprouts slowly or rarely. The 10 to 15 firm, stiff leaves form a rosette with a diameter of up to 12 centimeters. The brownish green or rarely purple leaf blade is up to 8 inches long and 2 inches wide. The end face is clearly truncated, the tip pointed. The leaf surface is lined and windowed in various ways. Like the leaf margin and the leaf keel, it is usually not thorny and has no warts.

The powerful inflorescence reaches a length of up to 30 centimeters and consists of 20 to 30 flowers . The closely spaced white flowers have greenish-brown veins.

Systematics and distribution

Haworthia retusa is widespread in the South African province of Western Cape near Riversdale .

The first description as Aloe retusa by Carl von Linné in Species Plantarum was published in 1753. Henri-Auguste Duval placed the species in the genus Haworthia in 1809 .

There are numerous synonyms .

proof

literature

Martin Bruce Bayer , Ernst Jacobus van Jaarsveld : Haworthia retusa . In: Urs Eggli (Hrsg.): Succulent lexicon. Monocotyledons . Eugen Ulmer, Stuttgart 2001, ISBN 3-8001-3662-7 , pp. 227 .

Individual evidence

↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 202.
↑ Carl von Linné: Species Plantarum . 1st edition, Lars Salvius, Stockholm 1753, p. 322 ( online ).
^ Henri-Auguste Duval: Plantae succulentae in horto Alenconio . Paris 1809, p. 7.

Web links

Commons : Haworthia retusa - collection of images, videos and audio files

Photos of Haworthia retusa
Haworthia retusa in the Red List of South African Plants

[1] Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 202.

[2] Carl von Linné: Species Plantarum . 1st edition, Lars Salvius, Stockholm 1753, p. 322 ( online ).

[3] Henri-Auguste Duval: Plantae succulentae in horto Alenconio . Paris 1809, p. 7.