Frailea
Frailea pumila
Frailea is a genus of flowering plants of the cactus family ( Cactaceae ). The botanical name honors the Spaniard Manuel Fraile, who supervised the collection of cacti in the Ministry of Agriculture of the United States. The type species of the genus is Frailea cataphracta.
Description
The species of the genus Frailea grow usually with many shoots but sometimes individually. The remaining low, depressed spherical to kurzzylindrisch shoots have only weak ribs and bumps as well as small thorns.
The short funnel-shaped, small flowers arise at the shoot tip. They open only briefly on the day or even cleistogamous. The areoles of Perikarpell and flower tube are densely covered with wool and bristles.
The thin, dry fruits are densely packed with seeds. You have a lasting flowers radical break unevenly or are not aufplatzend. The up to 1.5 mm long seeds are broadly ovate or often cap -shaped.
Distribution and systematics
The genus Frailea is widely used in South America. It occurs in northeast Argentina, in the east of Bolivia, Colombia, in the south of Brazil, Paraguay and Uruguay.
The first description was in 1922 by Nathaniel Lord Britton and Joseph Nelson Rose. The type species of the genus Echinocactus is cataphractus. Belong to the genus of the following types:
- Frailea amerhauseri
- Frailea buenekeri Frailea buenekeri subsp. buenekeri
- Frailea buenekeri subsp. densispina
- Frailea castanea subsp. castanea
- Frailea castanea subsp. harmoniana
- Frailea cataphracta subsp. cataphracta
- Frailea cataphracta subsp. duchii
- Frailea cataphracta subsp. melitae
- Frailea cataphracta subsp. tuyensis
- Frailea gracillima subsp. gracillima
- Frailea gracillima subsp. albifusca
- Frailea gracillima subsp. horstii
- Frailea grahliana subsp. grahliana
- Frailea grahliana subsp. moseriana
- Frailea pumila subsp. pumila
- Frailea pumila subsp. deminuta
- Frailea pygmaea subsp. pygmaea
- Frailea pygmaea subsp. albicolumnaris