Gymnocalycium leeanum
Gymnocalycium leeanum | ||||||||||||
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![]() Gymnocalycium leeanum f. roseiflorum |
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Systematics | ||||||||||||
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Scientific name | ||||||||||||
Gymnocalycium leeanum | ||||||||||||
( Hook. ) Britton & Rose |
Gymnocalycium leeanum is a species of plant in the genus Gymnocalycium from the cactus family(Cactaceae).
description
Gymnocalycium leeanum grows with blue-green, depressed spherical to spherical shoots that reach a diameter of up to 8 centimeters and develop fiber roots. The 15, sometimes more, ribs are divided into hexagonal cusps. The single central spine , which can also be missing, is protruding and straight. The approximately eleven curved radial spines lie on the shoot surface and are up to 1.2 centimeters long.
The yellowish white flowers reach a length of 5 to 6 centimeters and the same diameter.
Distribution and systematics
Gymnocalycium leeanum is common in the Argentine province of Buenos Aires between Tandil and Mar del Plata in the pampas .
It was first described as Echinocactus leeanus in 1845 by William Jackson Hooker . Nathaniel Lord Britton and Joseph Nelson Rose put the species in 1922 in the genus Gymnocalycium .
proof
literature
- Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 318 .
Individual evidence
- ↑ Botanical Magazine . Volume 71, 1845. Plate 4184, (online) .
- ^ NL Britton , JN Rose : The Cactaceae. Descriptions and Illustrations of Plants of the Cactus Family . tape III . The Carnegie Institution of Washington, Washington 1922, p. 154 .