Echeveria chihuahuaensis

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Echeveria chihuahuaensis
Systematics
Order : Saxifragales (Saxifragales)
Family : Thick-leaf family (Crassulaceae)
Subfamily : Sempervivoideae
Tribe : Sedeae
Genre : Echeveria ( Echeveria )
Type : Echeveria chihuahuaensis
Scientific name
Echeveria chihuahuaensis
Poelln.

Echeveria chihuahuaensis is a species of the genus Echeveria ( Echeveria ) in the family of thick-leaf plants (Crassulaceae).

description

Echeveria chihuahuaensis grows with sparsely branched shoots that reach a length of up to 5 centimeters and a diameter of about 1 centimeter. The obovate-oblong to obovate-spatulate or oblong leaves are thorn-pointed and have an attached tip. They become 4 to 6 inches long and 3 to 4 inches wide. The glaucous- white to greenish-white leaves are red at the edge and at the tips.

The inflorescence forms a coil that is one to rarely five branches. It becomes up to 20 centimeters long. The flower stalk is up to 14 millimeters long. The very unequal sepals are pressed or ascending and the longest about 8 millimeters long. The cylindrical corolla is about twice as long as it is thick. The reddish petals are about 14 millimeters long.

The number of chromosomes is 2n = 52, 100 or 102.

Distribution and systematics

Echeveria chihuahuaensis is common in Mexico in the states of Sonora , Chihuahua, and Durango . In a population 13 km away from Los Altares in Durango, along the road to Topia, there is an occurrence of plants with atypical dark green leaves.

It was first described in 1935 by Karl von Poellnitz .

proof

literature

  • Urs Eggli (ed.): Succulent lexicon. Crassulaceae (thick leaf family) . Eugen Ulmer, Stuttgart 2003, ISBN 3-8001-3998-7 , pp. 111 .

Individual evidence

  1. Echeveria chihuahuaensis at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis
  2. ^ Repertorium specierum novarum regni vegetabilis. Issue 38, p. 29. 1935, Berlin-Dahlem ( online PDF)

Web links