Pachycereus marginatus
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Pachycereus marginatus |
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| ( DC. ) Britton & Rose |
Pachycereus marginatus is a species of the genus Pachycereus in the cactus family(Cactaceae). Spanish common names are "Chilayo" and "Órgano". The specific epithet marginatus means 'provided with a margin, rimmed'.
Pachycereus marginatus was chosen by the cactus societies of the three German-speaking countries Germany ( DKG ), Austria ( GÖK ) and Switzerland ( SKG ) as cactus of the year 2020.
description
Pachycereus marginatus grows tree-shaped with single or rarely branching, upright, columnar shoots and reaches heights of 3 to 4 meters with a diameter of 8 to 20 centimeters. There are four to seven protruding, broad ribs . The large areoles on it later flow together. The one to three yellowish to gray central spines are 1 to 1.5 centimeters long. The five to nine radial spines are 2 to 4 millimeters long. The flowering areoles located near the shoot tips are covered with numerous bristles up to 2 centimeters long.
The funnel-shaped, reddish flowers are 3 to 4 centimeters long. Your pericarpel and the flower tube are covered with scales, which carry wool and bristles in their armpits. The spherical fruits are more or less dry. They reach a diameter of up to 4 centimeters and are covered with slightly sloping thorns and wool.
Distribution, systematics and endangerment
Pachycereus marginatus is common in the Mexican states of Hidalgo , México , Guanajuato , Querétaro , Morelos , Puebla , Oaxaca , Colima , Michoacán and Guerrero . It was first described as Cereus marginatus in 1828 by Augustin-Pyrame de Candolle . Nathaniel Lord Britton and Joseph Nelson Rose placed them in the genus Pachycereus in 1909 .
In the Red List of Threatened Species of the IUCN , the species is called " Data Deficient (DD) ", i. H. with insufficient data.
proof
literature
- Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 491 .
Individual evidence
- ↑ Cactus of the year 2020 - the wrinkle cactus, Pachycereus marginatus. Retrieved November 2, 2019 .
- ^ Revue de la Famille des Cactées . In: Memoires du Museum d'Histoire Naturelle . Volume 17, 1828, p. 116 (online) .
- ^ Contributions from the United States National Herbarium . Volume 12, Number 10, 1909, p. 421 (online) .
- ↑ Pachycereus marginatus in the IUCN Red List of Threatened Species 2013.2. Posted by: Sánchez, E., Guadalupe Martínez, J. & Bárcenas Luna, R., 2009. Retrieved January 25, 2014.
Web links
Gold ball cactus (2008) | Queen of the Night (2009) | Farmer's Cactus (2010) | Leaf cactus (2011) | Sea Urchin Cactus (2012) | Silver Candle Cactus (2013) | Schlumbergera truncata (2014) | Mother's Day Cactus (2015) | Discocactus horstii (2016) | Carnegiea gigantea (2017) | Echinopsis chamaecereus (2018) | Opuntia ficus-indica (2019) | Pachycereus marginatus (2020)