Echinocereus adustus

Echinocereus adustus
	Echinocereus adustus subsp. roemerianus
Systematics
Order :	Clove-like (Caryophyllales)
Family :	Cactus family (Cactaceae)
Subfamily :	Cactoideae
Tribe :	Pachycereeae
Genre :	Echinocereus
Type :	Echinocereus adustus
Scientific name
	Echinocereus adustus
	Engelm.

Echinocereus adustus is a species of plant in the genus Echinocereus from the cactus family(Cactaceae). The specific epithet adustus comes from Latin , means 'blackened' or 'burned' and refers to the blackish thorns of the species.

description

Echinocereus adustus usually grows individually. The depressed spherical to short cylindrical shoots are up to 19 centimeters long and have a diameter of 5 to 12 centimeters. Their roots are fibrous. There are eleven to 20 wavy and somewhat humped ribs . The up to nine dark brown to blackish central spines , which can also be missing, have a length of up to 3.2 centimeters. The top one is very short, the bottom one spread out horizontally. The eight to 31 straight to slightly curved, white radial spines are pointed darker and up to 1.8 centimeters long. The side of them are the longest.

The short funnel-shaped flowers are pink. They appear well below the shoot tips, are 3 to 10 centimeters long and reach a diameter of 4 to 7 centimeters. Their scars are white or very light green. The egg-shaped fruits are up to 2 centimeters long and covered with sloping thorns. They are almost dry when ripe and tear open vertically.

Distribution, systematics and endangerment

Echinocereus adustus is common in the Mexican states of Chihuahua and Durango at altitudes above 1,800 meters.

The first description by George Engelmann was published in 1848. A nomenclature synonym is Cereus adustus (Engelm.) Engelm. (1849). The following subspecies are distinguished:

Echinocereus adustus subsp. adustus
Echinocereus adustus subsp. bonatzii (RC Romans) NPTaylor
Echinocereus adustus subsp. roemerianus W.Rischer
Echinocereus adustus subsp. schwarzii (ABLau) NPTaylor

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

Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 191-192 .

Individual evidence

↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 3.
↑ George Engelmann: Botanical Appendix . In: Friedrich Adolph Wislizenus: Memoir of a Tour to Northern Mexico: Connected with Col. Doniphan's Expedition, in 1846 and 1847 . Tippin & Streeper, Washington 1848, p. 104 (online) .
^ In: Asa Gray: Plantae Fendlerianae Novi-Mexicanae: An Account of a Collection of Plants made chiefly in the Vicinity of Santa Fé, New Mexico, by Augustus Fendler; with Descriptions of the New Species, Critical Remarks, and Characters of other undescribed or little known Plants from surrounding Regions . In: Memoirs of the American Academy of Arts and Sciences . 2nd episode, volume 4, number 1, 1849, p. 50 (online) .
↑ Echinocereus adustus in the IUCN Red List of Threatened Species 2013.2. Posted by: Fitz Maurice, B, Sotomayor, M., Fitz Maurice, WA, Hernández, HM & Smith, M., 2009. Retrieved January 25, 2014.

Web links

Commons : Echinocereus adustus - collection of images, videos and audio files

[1] Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 3.

[2] George Engelmann: Botanical Appendix . In: Friedrich Adolph Wislizenus: Memoir of a Tour to Northern Mexico: Connected with Col. Doniphan's Expedition, in 1846 and 1847 . Tippin & Streeper, Washington 1848, p. 104 (online) .

[3] In: Asa Gray: Plantae Fendlerianae Novi-Mexicanae: An Account of a Collection of Plants made chiefly in the Vicinity of Santa Fé, New Mexico, by Augustus Fendler; with Descriptions of the New Species, Critical Remarks, and Characters of other undescribed or little known Plants from surrounding Regions . In: Memoirs of the American Academy of Arts and Sciences . 2nd episode, volume 4, number 1, 1849, p. 50 (online) .

[4] Echinocereus adustus in the IUCN Red List of Threatened Species 2013.2. Posted by: Fitz Maurice, B, Sotomayor, M., Fitz Maurice, WA, Hernández, HM & Smith, M., 2009. Retrieved January 25, 2014.