Echinopsis pugionacantha

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Echinopsis pugionacantha
Systematics
Order : Clove-like (Caryophyllales)
Family : Cactus family (Cactaceae)
Subfamily : Cactoideae
Tribe : Trichocereeae
Genre : Echinopsis
Type : Echinopsis pugionacantha
Scientific name
Echinopsis pugionacantha
Rose & Boed. ex Boed.

Echinopsis pugionacantha is a species of the genus Echinopsis in the cactus family(Cactaceae). The specific epithet pugionacantha is derived from the Latin word pugio for 'dagger' and the Greek word akantha for 'thorn'.

description

Echinopsis pugionacantha usually grows individually, but occasionally forms groups. The spherical to egg-shaped, cloudy gray-green shoots reach heights of 8 to 15 centimeters with a diameter of up to 4.5 centimeters. The shoots form a long taproot . There are about 17  ribs . The four to seven, very variable, light yellow thorns are sometimes dagger-like. They are directed sideways and have a length of up to 2.5 centimeters - or more.

The funnel-shaped, fragrant flowers open during the day. They are yellow to pink or orange-red. The flowers are up to 4.5 centimeters long and have the same diameter. The spherical fruits are semi-dry and tear open.

Distribution, systematics and endangerment

Echinopsis pugionacantha is distributed in the Bolivian departments of Cochabamba , Chuquisaca , Potosí , Tarija and possibly La Paz as well as the Argentine province of Jujuy at altitudes of 3500 to 4000 meters.

The first description by Friedrich Bödeker was published in 1931. A nomenclature synonym is Lobivia pugionacantha (Rose & Boed. Ex Boed.) Backeb. (1936).

Subspecies

The following subspecies are distinguished:

  • Echinopsis pugionacantha subsp. pugionacantha
  • Echinopsis pugionacantha subsp. rossii (Boed.) G. Navarro

Echinopsis pugionacantha subsp. pugionacantha
The subspecies is distributed in the Bolivian departments of Chuquisaca, Potosí, Tarija and possibly La Paz as well as in the Argentine province of Jujuy near La Quiaca and Yavi in the puna vegetation of the Andes at altitudes of 3300 to 3800 meters. The flowers are reddish yellow in color. They are up to 4.5 meters long and reach the same diameter.

The following taxa were included as a synonym in the subspecies: Lobivia pugionacantha var. Flaviflora Backeb. (1957), Lobivia culpinensis F.Ritter (1966), Lobivia pugionacantha var. Culpinensis (F.Ritter) Noise (1976), Lohivia cornuta noise (1972), Lobivia pagionacantha var. Cornuta (noise) to noise (1976), Lobivia salitrensis noise (1974), Lobivia pugionacantha var. salitrensis (noise) noise (1976), Lobivia salitrensis var. flexuosa noise (1974), Lobivia versicolor noise (1974), Lobivia pugionacantha var. versicolor (noise) noise (1976), Lobivia adpressispina F.Ritter (1980), Lobivia pugionacantha var. adpressispina (F.Ritter) Ullmann (1992), Lobivia campicola F.Ritter (1980), Lobivia pugionacantha var. campicola (F.Ritter) Ullmann (1992), Lobivia rossii var. bustilloensis F. Ritter (1980), Lobivia pugionacantha var. corrugata Rausch (1987) and Lobivia pugionacantha var. haemantha Rausch (1987).

Echinopsis pugionacantha subsp. rossii
The first description as Echinopsis rossii by Friedrich Bödeker was published in 1933. Gonzalo Navarro introduced the species in 1996 as a subspecies to Echinopsis pugionacantha . Echinopsis pugionacantha subsp. rossii is common in the Bolivian departments of Cochabamba and Potosí in the Puna vegetation at altitudes of 4000 to 4700 meters. The flowers are orange to reddish in color.

The following taxa were included in the subspecies as a synonym: Lobivia rossii (Boed.) Backeb. (1936), Lobivia pugionacantha var. Rossii (Boed.) Rausch (1976), Echinopsis stollenwerkiana Boed. (1936), Lobivia stollenwerkiana (Boed.) Boed. (1935), Lobivia rossii var. Stollenwerkiana (Boed.) Backeb. (1951) and Lobivia pugionacantha var. Stollenwerkiana (Boed.) Ullmann (1992).

In the Red List of Threatened Species of the IUCN , the species is listed as " Least Concern (LC) ". H. listed as not 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. 194.
  2. ↑ Monthly of the German Cactus Society . Volume 3, Number 12, 1931, pp. 272-273.
  3. ↑ Fr. Bödeker: Echinopsis (Lobivia) rossii Böd., Sp. n. In: Kakteenkunde . 1933, p. 167.
  4. ↑ Gonzalo Navarro: Catálago ecológico preliminar de las cactáceas de Bolivia . In: Lazaroa . Volume 17, 1996, p. 53 ( online ).
  5. ↑ Echinopsis pugionacantha in the Red List of Threatened Species of the IUCN 2013.2. Posted by: Lowry, M. & Demaio, P., 2010. Retrieved March 2, 2014.

Web links

  • Photos of Echinopsis pugionacantha