Pygmaeocereus
Pygmaeocereus bylesianus
Pygmaeocereus is a genus of flowering plants of the cactus family ( Cactaceae ). The botanical name of the genus comes from the Greek adjective " πυγμαίος " ( pygmaeos ) for dwarf and means Zwergiger Cereus.
Description
The small, single to cushion -forming species of the genus Pygmaeocereus have usually fleshy roots. Her green, spherical diameter shoots reach 1-5 inches. The 8 to 15 ribs often form warts. The areolae are round to oblong and woolly. From these heights are several, often radiating spikes of up to 5 millimeters in length, which are usually pronounced as central and radial spines.
The wide funnel-shaped flowers are white, are long with a diameter of up to 6 inches to 8 inches and open at night. Your flower tube is long and slender.
The fleshy fruits are spherical to pear- shaped and tearing along on a dry or as a whole. They contain bag-shaped, dull brown-black seeds.
Systematics and distribution
The species of the genus Pygmaeocereus are common in Peru. The first description of the genus was made by Joseph Harry Johnson and Curt Backeberg 1957.
Belong to the genus of the following types:
- Pygmaeocereus bieblii
- Pygmaeocereus bylesianus
- Pygmaeocereus familiaris
By Lothar Diers in 2007 with Pygmaeocereus bieblii var kuehhasii a variety of Pygmaeocereus bieblii rewritten.