Echinopsis trichosa

from Wikipedia, the free encyclopedia
Echinopsis trichosa
Systematics
Order : Clove-like (Caryophyllales)
Family : Cactus family (Cactaceae)
Subfamily : Cactoideae
Tribe : Trichocereeae
Genre : Echinopsis
Type : Echinopsis trichosa
Scientific name
Echinopsis trichosa
( Cardenas ) H.Friedrich & GDRowley

Echinopsis trichosa is a species of the genus Echinopsis in the cactus family(Cactaceae). The specific epithet trichosa comes from Latin , means 'hairy' and refers to the densely hairy pericarpel of the flower.

description

Echinopsis trichosa usually grows individually, is columnar and reaches heights of up to 1 meter. The cylindrical to somewhat club-shaped, glaucous gray-green shoots have a diameter of 5 to 6 centimeters. There are nine round and broad ribs . The triangular areoles on them are gray and are up to 5 centimeters apart. From them arise gray, awl, strong thorns , which are pointed darker and thickened at their base. The single central spine stands out and is up to 7 inches long. The four to six radial spines are spread out or lie on the shoots and have a length of 1 to 3.5 centimeters.

The tubular, funnel-shaped, white flowers appear near the shoot tips and open at night. They are up to 23 centimeters long and have a diameter of 10 centimeters. Your pericarpel and the flower tube are covered with thick white to brown hair . The spherical fruits are very hairy and have a diameter of up to 5 centimeters.

Distribution and systematics

Echinopsis trichosa is distributed in the Bolivian department of Santa Cruz in the lowlands at 600 meters.

The first description as Trichocereus trichosus by Martín Cárdenas was published in 1957. Heimo Friedrich and Gordon Douglas Rowley placed the species in 1974 in the genus Echinopsis .

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. 243.
  2. Martín Cárdenas: Nouvelles Cactées Boliviennes. Part. V . In: Cactus . Volume 12, number 57, Paris 1957, p. 249.
  3. ^ Gordon Douglas Rowley: Reunion of the genus Echinopsis . In: IOS Bulletin. Journal of the International Organization for Succulent Plant Study . Volume 3, Number 3, 1974, p. 98.