Stenocactus vaupelianus

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Stenocactus vaupelianus
Systematics
Order : Clove-like (Caryophyllales)
Family : Cactus family (Cactaceae)
Subfamily : Cactoideae
Tribe : Cacteae
Genre : Stenocactus
Type : Stenocactus vaupelianus
Scientific name
Stenocactus vaupelianus
( Werderm. ) FMKnuth

Stenocactus vaupelianus is a species of plant in the genus Stenocactus from the cactus family(Cactaceae). The epithet of the species honors the German botanist Friedrich Vaupel (1876–1927).

description

The usually single dull green plant body is hemispherical and reaches a diameter of 7 to 9 centimeters. The top of the head is covered with white wool and densely wrapped in thorns . It has 30 to 40 thin, wavy ribs. The 1 to 2 awl, pointed central spines are upright or curved downwards and are up to 7 centimeters long. At first they are brownish black, later they become reddish brown. The 15 to 25 white, needle-like radial spines are aligned horizontally and 1 to 1.5 centimeters long.

The pale yellow flowers are up to 2 inches long. Nothing is known about the appearance of the fruit .

Distribution, systematics and endangerment

Stenocactus albatus is possibly a synonym.

Stenocactus vaupelianus is common in Mexico in the state of Hidalgo .

It was first described as Echinocactus vaupelianus in 1931 by Erich Werdermann . Frederik Marcus Knuth put the species as Stenocactus vaupelianus in the genus Stenocactus . A recombination into the genus Echinofossulocactus under the name Echinofossulocactus vaupelianus took place in 1938 by Ernst Tiegel and Hans Oehme . In 1980, Nigel Paul Taylor treated the species as Ferocactus ( Ferocactus vaupelianus ).

Whether Echinofossulocactus albatus (A.Dietr.) Britton & Rose is a synonym for the species has not yet been fully clarified.

In the Red List of Threatened Species of the IUCN , the species is called " Data Deficient (DD) ", i. H. with insufficient data.

proof

Individual evidence

  1. ^ Note sheet of the Botanical Garden and Museum in Berlin-Dahlem . Volume 11: 273. Berlin 1931
  2. ^ Curt Backeberg, Frederic Marcus Knuth: Kaktus-ABC, en Haandbog for Fagfolk og Amatorer . 1936, p. 355
  3. ↑ Contributions to succulent science and care . 1938, p. 82
  4. ^ Cactus and Succulent Journal of Great Britain . Volume 42, No. 4, p. 108, London 1980
  5. ↑ Stenocactus vaupelianus in the IUCN Red List of Threatened Species 2013.2. Posted by: Guadalupe Martínez, J., Sánchez, E., Bárcenas Luna, R. & Gómez-Hinostrosa, C., 2009. Accessed December 30, 2013.

literature

  • Echinofossulocactus vaupelianus (WERD.) TIEG. & OEHME In: Curt Backeberg : Die Cactaceae: Handbuch der Kakteenkunde . 2nd edition, 1984, Volume V, p. 2772. ISBN 3-437-30384-8
  • Stenocactus vaupelianus (Werdermann) FM Knuth In: Edward F. Anderson : The Cactus Family . Timber Press: Portland (Oregon), 2001, p. 641. ISBN 0-88192-498-9
  • Echinofossulocactus vaupelianus (WERD.) TIEG. & OEHME In: Walther Haage : cacti from A to Z . 3rd edition, Quelle & Meyer Verlag, Heidelberg 1986, p. 165. ISBN 3-494-01142-7

Web links

Commons : Stenocactus vaupelianus  - album with pictures, videos and audio files