Turbinicarpus horripilus
Turbinicarpus horripilus Plate 6 of 1900 from Blooming cactus
Turbinicarpus horripilus is a flowering plant in the genus Turbinicarpus from the cactus family ( Cactaceae ). The specific epithet horripilus means, with bristling hair, shaggy, bristling porcupine '.
Description
Turbinicarpus horripilus often grows with olive clumping, spherical to extended spherical bodies and fibrous roots. The body can reach growth height 7-18 cm and a diameter of 4 to 6.5 cm. Her distinctly pronounced conical protuberances are 5-7 millimeters high. It is usually a single, projecting, straight, whitish, darker at the tip center spine present. It reaches a length of 12-18 millimeters. The 12 to 14 straight radial spines are white with dark tip, spreading and 9 to 11 millimeters long.
The magenta -colored flowers have a white throat. They are 2.2 to 3.1 cm long and have diameters of 2.5 to 3.5 centimeters. The elongated, greenish red fruits are yellowish brown at maturity. They are 4-6 mm long and reach a diameter of 3 to 5 millimeters.
Systematics, distribution and hazard
Turbinicarpus horripilus is common in the Mexican state of Hidalgo.
The first description was in 1838 as Mammillaria horripila by Charles Lemaire. Václav John and Jan Říha ( b. 1947 ), they 1983 in the genus Turbinicarpus. Synonyms include Echinocactus horripilus ( Lem. ) Lem. (1839 ) and Gymnocactus horripilus ( Lem. ) Backeb. ( 1951).
Turbinicarpus horripilus be listed in Annex I of the CITES Convention. In the Red List of Threatened Species IUCN 2002, she is known as " Vulnerable (VU) ," ie, endangered classified. In 2013, the species is considered " Endangered ( EN ) ', ie performed at high risk.