Echinomastus johnsonii
Echinomastus johnsonii
Echinomastus johnsonii is a flowering plant in the genus Echinomastus from the cactus family ( Cactaceae ). English common names are " Chartreuse Pineapple cactus ", " Johnson's Pineapple Cactus ," " Pineapple Cactus" and "Pink Viznagita ".
Description
Echinomastus johnsonii grows mostly single with ovoid to cylindrical, densely spined shoots, which reach heights of growth 10 to 25 centimeters in diameters 5 to 10 centimeters. There are 17 to 21 ribs are provided which are clearly divided into about 6 millimeters long hump. The 4-9 ( almost) straight, outstretched central spines are slightly pink to reddish, to dark ages and are 3 to 4 inches long. The lighter 9-10 outstretched spines are 1.2 to 2 inches long.
The funnel-shaped, magenta, greenish-yellow or pink flowers are 5 to 6 inches long and reach a diameter from 5 to 7.5 centimeters. The green fruits tear on vertically and ocher color when ripe.
Distribution, systematics and hazard
Echinomastus johnsonii is distributed in the United States in the states of California, Arizona and Nevada.
The first description as Echinocactus johnsonii was 1871 by George Engelmann. Edgar Martin Baxter introduced the type 1935 in the genus Echinomastus.
Nomenclatural synonyms Ferocactus johnsonii ( Parry ex Engelm. ) Britton & Rose (1922 ), Thelocactus johnsonii ( Parry ex Engelm. ) WTMarshall (1942 ), Neolloydia johnsonii ( Parry ex Engelm. ) LDBenson (1969 ) Sclerocactus johnsonii ( Parry ex Engelm. ) NPTaylor (1987) and Pediocactus johnsonii ( Parry ex Engelm. ) Halda (1998)
In the Red List of Threatened Species IUCN, the type is known as " Least Concern ( LC) ," ie, than not led at risk.