Astrophytum myriostigma
Astrophytum myriostigma
The bishop's cap ( Astrophytum myriostigma ) is a species of the genus Astrophytum in the cactus family ( Cactaceae ). The specific epithet myriostigma derives from the Greek words " μνρίός " ( myrios ) for innumerable and " οτίγμα " ( stigma ) for stain from. Other common names next to " miter " are " Mitra " and " Bonete de Obispo ".
Description
Astrophytum myriostigma is from spherical to cylindrical growth. The shoots are covered with dense clusters of white trichomes and hence appear whitish. You reach a stature height 10-25 centimeters and a diameter of 10 to 18 centimeters. On the usually 5 wide - triangular fins are located in the distance of 10 to 20 mm round areolae. Spines are absent.
The 6-7 inch long flowers are yellow with a red throat. The sepals are black tipped, the denticulate petals. The stamens and the style are yellow, the scar is usually 7-piece. The oblong- round, green fruits burst on star-shaped.
Distribution, systematics and hazard
Astrophytum myriostigma is mainly used in the Chihuahuan Desert in northern and central Mexico.
The first description by Charles Lemaire was published in 1839. A synonym is nomenklatorisches Echinocactus myriostigma ( Lem. ) Salm- Dyck (1845 ).
More of the numerous synonyms of the highly variable nature include Astrophytum Lem prismaticum. , Astrophytum coahuilense ( H.Moeller ) K.Kayser, Astrophytum columnar ( K.Schum. ) Sadovsky & Schütz, Astrophytum subsp. potosinum ( H.Moeller ) K.Kayser, Astrophytum subsp. tulense K.Kayser and Astrophytum tulense ( K.Kayser ) Sadovsky & contactor.
In the Red List of Threatened Species IUCN, the type is known as " Least Concern (CR ) ", ie than not led at risk.