Gymnocalycium tillianum
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Gymnocalycium tillianum |
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| Gymnocalycium tillianum | ||||||||||||
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Gymnocalycium tillianum is a species of plant in the genus Gymnocalycium from the cactus family(Cactaceae). The specific epithet honors the Austrian cactus lover Hans Till .
description
Gymnocalycium tillianum grows individually with gray-green, flattened, spherical shoots and reaches heights of up to 10 centimeters with diameters of up to 15 centimeters (rarely up to 17 centimeters). The up to 15 ribs are notched transversely and so divided into chin-like cusps. The strong, stiff, brownish to blackish thorns later turn gray and are up to 3 centimeters long. There is an upwardly curved central spine, which can also be missing. One of the seven radial spines is directed downwards. The others stand together in pairs and are bent sideways.
The broad, funnel-shaped, bright red flowers reach a length of up to 3 centimeters and a diameter of 2.5 centimeters. The flattened, spherical fruits are green to greenish brown.
Distribution and systematics
Gymnocalycium tillianum is widespread in the Argentine province of Catamarca in the Sierra Ambato at altitudes of 2600 to 3500 meters.
It was first described in 1970 by Walter Rausch .
proof
literature
- Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 328-329 .
Individual evidence
- ↑ Wolfgang Papsch, Joesef Pöschl: Austrians in the world of cacti . Society of Austrian Cactus Friends, Wiener Neustadt 2000, pp. 76–77.
- ↑ Cacti and other succulents . Volume 21, Number 4, 1970, p. 66.
