Eulychnia
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Eulychnia is a genus of plants from the cactus family(Cactaceae). The botanical name of the genus is derived from the Greek words "εὖ" (eu) for beautiful and "λύχνος" (lychnos) for lamp and means beautiful torch .
description
The species of the genus Eulychnia grow bushy or tree-like, are freely branched and sometimes have a distinct trunk. The shoots are straight, ascending or prostrate, and have 9 to 16 ribs. The areoles are covered with wool or long hair. The thorns emerging from it are often strong and long.
The small, bell-shaped to funnel-shaped flowers appear at the tip of the shoot. They are white to pinkish red and open day and night. Its flower cup and the very short flower tube are covered with woolly hair or bristly thorns and covered with scales.
The fleshy, spherical fruits are scaly or hairy and rarely thorn. The broad, egg-shaped, matt black or gray seeds are finely warty.
Systematics and distribution
The species of the genus Eulychnia distributed along the coast from northern Chile to southern Peru . They rarely grow at altitudes above 1000 meters. The first description of the genus with the then only species Eulychnia breviflora , which is thus the type species of the genus, was made in 1860 by Rudolph Amandus Philippi .
The genus includes the following species:
- Eulychnia acida Phil.
- Eulychnia breviflora Phil.
- Eulychnia castanea Phil.
- Eulychnia iquiquensis (K.Schum.) Britton & Rose
- Eulychnia ritteri Cullmann
A synonym of the genus is Philippicereus Backeb.
proof
literature
- Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 285-287 .
Individual evidence
- ↑ Florula Atacamensis seu Enumeratio Plantarum in Itinere per Desertum Atacamense Observatarum . 1860, pp. 23-24 ( online ).
- ^ Edward F. Anderson : The great cactus lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 285-287 .
further reading
- Paul Hoxey, Paul Klaassen: Two New Combinations in the genus Eulychnia (Cactaceae) . In: Cactus and Succulent Journal . Volume 83, number 4, 2011, pp. 169-175, DOI: 10.2985 / 0007-9367-83.4.169 .
