Echinocereus pentalophus
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Echinocereus pentalophus |
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| ( DC. ) Lem. |
Echinocereus pentalophus is a species of plant in the genus Echinocereus from the cactus family(Cactaceae). The specific epithet pentalophus is derived from the Greek words penta for five and lophos for comb and refers to the mostly five-ribbed shoots of the species. Trivial names are "Alicoche", "Cardoncillo" and "Lady-Finger Cactus".
description
Echinocereus pentalophus forms richly branched, low and spreading groups of up to 1 meter in diameter. The yellowish-green to gray-green, firm, fleshy, cylindrical shoots are 20 to 70 centimeters long and have a diameter of 1 to 6 centimeters. There are three to eight mostly sharp-edged, straight ribs , which are later humped. The single protruding central spine , which can also be missing, is yellowish to dark brown and has a length of up to 3 centimeters. The three to eight straight, whitish to yellowish radial spines are up to 2 centimeters long. The top of them are very short.
The broad, funnel-shaped flowers are bright pink to slightly pink-magenta or rarely white and have a white or yellow throat. They never appear near the shoot tips, are 8 to 10 centimeters long and reach 10 to 15 centimeters in diameter. The egg-shaped green fruits have brown thorns and loose wool. They tear open irregularly.
Distribution, systematics and endangerment
Echinocereus pentalophus is found in the United States in the southern state of Texas and in the Mexican states of Coahuila , Tamaulipas , Nuevo León , Guanajuato , San Luis Potosí , Hidalgo, and Querétaro .
The first description as Cereus pentalophus by Augustin-Pyrame de Candolle was published in 1828. Charles Lemaire placed the species in the genus Echinocereus in 1868 . The following subspecies are distinguished:
- Echinocereus pentalophus subsp. pentalophus
- Echinocereus pentalophus subsp. leonensis (Mathsson) NPTaylor
- Echinocereus pentalophus subsp. procumbens (Engelm.) W.Blum & Mich.Lange
A synonym of the subspecies Echinocereus pentalophus subsp. pentalophus is Echinocereus leptacanthus (DC. ex Pfeiff.) K.Schum. (1898, nom. Invalid ICBN -Article 36.1, 34.1).
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. 202-203 .
Individual evidence
- ↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , pp. 181-182.
- ^ Mémoires du Museum d'Histoire Naturelle . Volume 17, Paris 1828, p. 117 (online) .
- ↑ Charles Lemaire: Les Cactées Histoire, Patrie organ de vegetation Inflorescence Culture etc. Paris 1868, p 56
- ↑ Echinocereus pentalophus in the Red List of Threatened Species of the IUCN 2013.2. Posted by: Goettsch, BK, Gómez-Hinostrosa, C., Heil, K., Terry, M. & Corral-Díaz, R., 2009. Retrieved January 24, 2014.
