Arrojadoa rhodantha

Arrojadoa rhodantha
	Arrojadoa rhodantha
Systematics
Order :	Clove-like (Caryophyllales)
Family :	Cactus family (Cactaceae)
Subfamily :	Cactoideae
Tribe :	Cereeae
Genre :	Arrojadoa
Type :	Arrojadoa rhodantha
Scientific name
	Arrojadoa rhodantha
	( Gürke ) Britton & Rose

Arrojadoa rhodantha is a species of plant in the genus Arrojadoa in the cactus family(Cactaceae). The specific epithet rhodantha is derived from the Greek words rhodos for 'rose red' and anthos for 'blossom' and refers to the flower color of the species.

description

Arrojadoa rhodantha grows shrubby, upright to straddling or climbing ajar and reaches heights of growth of up to 2 meters. The roots are fibrous. The dark green, cylindrical shoots are segmented and have a diameter of 2 to 5 centimeters. The 10 to 12 ribs are very flat, the areoles are 10 to 12 millimeters apart. Yellowish white to brown thorns arise from the areoles . The 5 to 6 strong central spines are up to 3 centimeters long, the 20 radial spines up to 1.2 centimeters long. The cephalium consists of brown wool and reddish brown bristles.

The purple to pink to purple-red flowers are up to 3.5 centimeters long and have a diameter of 1.2 centimeters. The spherical fruits are red and reach a diameter of 2 centimeters.

Distribution, systematics and endangerment

Arrojadoa rhodantha is common in the Brazilian states of Bahia , Minas Gerais, and Piauí .

The first description as Cereus rhodanthus by Robert Louis August Maximilian Gürke was published in 1908. Nathaniel Lord Britton and Joseph Nelson Rose put the species in the genus Arrojadoa in 1920 .

Another nomenclature synonym is Cephalocereus rhodanthus (Gürke) Werderm. (1933). Other synonyms include Arrojadoa rhodantha subsp. aureispina (Buining & Brederoo) PJ Braun & Esteves (1995) , Arrojadoa rhodantha subsp. canudosensis (Buining & Brederoo) PJBraun (1988) and Arrojadoa rhodantha subsp. reflexa P.J. Braun (1984).

In the Red List of Threatened Species of the IUCN , the species is listed as " Least Concern (LC) ". H. listed as not endangered.

proof

literature

Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 80 .

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.
↑ Monthly for cactus science . Volume 18, Berlin 1908, p. 69 (online) .
^ NL Britton , JN Rose : The Cactaceae . Descriptions and Illustrations of Plants of the Cactus Family . tape II . The Carnegie Institution of Washington, Washington 1920, p. 170 ( online ).
↑ Arrojadoa rhodantha in the IUCN Red List of Threatened Species 2013.2. Posted by: Machado, M., Braun, P., Taylor, NP & Zappi, D., 2010. Retrieved December 31, 2013.

Web links

Commons : Arrojadoa rhodantha - album with pictures, 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. 202.

[2] Monthly for cactus science . Volume 18, Berlin 1908, p. 69 (online) .

[3] NL Britton , JN Rose : The Cactaceae . Descriptions and Illustrations of Plants of the Cactus Family . tape II . The Carnegie Institution of Washington, Washington 1920, p. 170 ( online ).

[4] Arrojadoa rhodantha in the IUCN Red List of Threatened Species 2013.2. Posted by: Machado, M., Braun, P., Taylor, NP & Zappi, D., 2010. Retrieved December 31, 2013.