Mammillaria spinosissima
Mammillaria spinosissima
Mammillaria spinosissima is a species of the genus Mammillaria in the cactus family ( Cactaceae ). The specific epithet spinosissima means very thorny '.
Description
Mammillaria spinosissima grows simply cylindrical. The blue-green body, up to 30 centimeters long and 6-7 centimeters in diameter are large. They are closely surrounded by thorns. The rounded crown is woolly provided with upright spikes. The axillae are a bit woolly and bristly. The slightly tapered edged up warts are 4-5 millimeters long. The areoles are short, rounded, glabrous later. The 10 to 30 radial spines are bright bristle -shaped and 2 to 18 millimeters long. The 2-17 central spines are slightly stronger and 1 to 2 inches long, scarcely pungent and very different colored; of pure white, off-white, yellowish, ruby red or dark brown.
That appear on the wreath flowers are 2 inches long. The outer petals are brownish red with pink edge, the inner petals are karminfarben feuerig. The scars are greenish. The fruits are reddish brown or greenish. The seeds are brown.
Distribution, systematics and hazard
Mammillaria spinosissima is common in the Mexican states of Guerrero and Morelos in mountainous regions of 600-1900 meters.
The first description was in 1838 by Charles Lemaire. There are very many invalid double descriptions and recombinations patterns and, hence a variety of synonyms.
We distinguish the following sub- types:
- Mammillaria spinosissima subsp. spinosissima
- Mammillaria spinosissima subsp. pilcayensis ( Bravo) D.R.Hunt: The first description was in 1958 by Helia Bravo Hollis as Mammillaria pitcayensis. David Richard Hunt she presented in 1997 as a subspecies of Mammillaria spinosissima.
- Mammillaria spinosissima subsp. tepoxtlana ( A.Dietr. ) D.R.Hunt: The first description was in 1846 by Albert Gottfried Dietrich as Mammillaria auricoma David Richard Hunt put it in 1997 as a subspecies of Mammillaria spinosissima.
In the Red List of Threatened Species IUCN is the species as "Data Deficient ( DD)", ie out with no sufficient data.