Pierrebraunia bahiensis

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Pierrebraunia bahiensis
Pierrebraunia bahiensis (PJBraun & Esteves) Esteves with flowers.jpg

Pierrebraunia bahiensis

Systematics
Order : Clove-like (Caryophyllales)
Family : Cactus family (Cactaceae)
Subfamily : Cactoideae
Tribe : Cereeae
Genre : Pierrebraunia
Type : Pierrebraunia bahiensis
Scientific name
Pierrebraunia bahiensis
( PJBraun & Esteves ) Esteves

Pierrebraunia bahiensis is a species of plant in the genus Pierrebraunia from the cactus family(Cactaceae). The specific epithet bahiensis refers to the occurrence in the Brazilian state of Bahia .

description

Fruits on Pierrebraunia bahiensis

Pierrebraunia bahiensis grows individually with spherical to short cylindrical to cylindrical, green to gray-green shoots . These reach a height of up to 1.1 meters and a diameter of 8 centimeters. The 9 to 14 vertical ribs are rounded at the edges. The round areoles on it are initially covered with a cream-colored wool and later bald. The finely needle-shaped, somewhat flexible thorns are yellowish to reddish and gray. The single central spine is up to 3 centimeters long. The 6 to 11 radial spines, on old areoles it can be up to 23, are protruding to spread out and up to 1.6 centimeters long.

The tubular, pink flowers appear near the apex and along the upper parts of the shoots. They are 3.2 to 3.9 inches long and reach a diameter of 8 to 10 millimeters. The inner bracts are white. The spherical to egg-shaped fruits are pink in color and 1 to 3 centimeters in diameter.

Systematics, distribution and endangerment

Pierrebraunia bahiensis is distributed in the Brazilian state of Bahia in the Chapada Diamantina at altitudes of 1000 to 1950 meters. The first specimens were found in 1981. The first description as Floribunda bahiensis was published in 1993 by Pierre Josef Braun (* 1959) and Eddie Esteves Pereira (* 1939). A year later, Nigel Paul Taylor and Urs Eggli assigned them to the genus Arrojadoa . Eddie Esteves Pereira finally placed them in 1997 in the new genus Pierrebraunia .

Pierrebraunia bahiensis is in the endangered Red List species the IUCN as " Vulnerable (VU) ", d. H. classified endangered.

proof

literature

Individual evidence

  1. ↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 21.
  2. ↑ Bob Ressler: Pierrebraunia bahiensis. A Rare Brazilian Cactus Flowers in Cultivation . In: Cactus and Succulent Journal . Volume 81, No. 1, 2009 p. 14
  3. ↑ Pierre Josef Braun, Eddie Esteves Pereira: Uma nova especie de Cactacea da Bahia, Brazil: Floribunda bahiensis Braun et Esteves . In: Pabstia. Boletim do Herbario "Guido Pabst" . Volume 4, p. 13, Carangola 1993
  4. ^ Kew Bulletin . Volume 49, p. 98, Kew 1994
  5. ^ Cactus and Succulent Journal . Volume 69, No. 6, p. 296, Los Angeles 1997
  6. ↑ Pierrebraunia bahiensis in the IUCN Red List of Threatened Species 2014.2. Posted by: Taylor, NP & Braun, P., 2010. Retrieved September 6, 2014.

Web links

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