Coryphantha radians

Coryphantha radians
	Coryphantha radians
Systematics
Order :	Clove-like (Caryophyllales)
Family :	Cactus family (Cactaceae)
Subfamily :	Cactoideae
Tribe :	Cacteae
Genre :	Coryphantha
Type :	Coryphantha radians
Scientific name
	Coryphantha radians
	( DC. ) Britton & Rose

Coryphantha radians is a species of plant in the genus Coryphantha from the cactus family(Cactaceae). The specific epithet radians comes from Latin , means 'radial' and refers to the thorns of the species.

description

Coryphantha radians usually grows individually and only sometimes forms groups. The spherical to slightly cylindrical, dark green shoots reach a diameter of 5 to 8 centimeters. They are tightly wrapped in the thorns. The large warts are egg-shaped. The axillae and the wart furrows are covered with white wool. A central spine is usually missing. If it is there, it is slightly curved. The 16 to 18 whitish to yellowish, 1 to 1.2 centimeters long radial spines are stiff.

The bright yellow flowers have a diameter of up to 10 centimeters. The fruits are green.

Distribution and systematics

Coryphantha radians is common in the Mexican states of Durango , San Luis Potosí , Guanajuato , Querétaro, and Hidalgo .

The first description as Mammillaria radians by Augustin-Pyrame de Candolle was published in 1828. Nathaniel Lord Britton and Joseph Nelson Rose put the species in 1923 in the genus Coryphantha .

Nomenclatory synonyms are Echinocactus radians (DC.) Poselg. (1853) and Cactus radians (DC.) Kuntze (1891). Another synonym is Coryphantha bernalensis L. Bremer (1984).

proof

literature

Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 158 .

Individual evidence

↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 199.
↑ Augustin-Pyrame de Candolle: Revue de la famille des cactées . In: Mémoires du Muséum d'Histoire Naturelle . Volume 17, 1828, p. 111 (online) .
^ NL Britton , JN Rose : The Cactaceae . Descriptions and Illustrations of Plants of the Cactus Family . tape IV . The Carnegie Institution of Washington, Washington 1923, p. 36-37 ( online ).

Web links

Commons : Coryphantha radians - collection of images, videos and audio files

Herbarium from Coryphantha radians

[1] Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 199.

[2] Augustin-Pyrame de Candolle: Revue de la famille des cactées . In: Mémoires du Muséum d'Histoire Naturelle . Volume 17, 1828, p. 111 (online) .

[3] NL Britton , JN Rose : The Cactaceae . Descriptions and Illustrations of Plants of the Cactus Family . tape IV . The Carnegie Institution of Washington, Washington 1923, p. 36-37 ( online ).