Agave potrerana
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Agave potrerana at Santa Clara in Chihuahua in Mexico |
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Agave potrerana is a plant from the genus of the Agave ( agave ). An English common name is "Potrerana Hardy Century Plant".
description
Agave potrerana grows solitary with a height of 70 to 100 cm and is 150 to 200 cm wide. The lanceolate, stiff, gray-green to bluish, curved leaves are 40 to 100 cm long and 6 to 8 cm wide. The horny, brown leaf margins are serrated irregularly. The brown to gray, needle-shaped terminal mandrel is up to 6 cm long.
The paniculate, straight to curved inflorescence is 3 to 8 m high. The red colored, numerous flowers appear in the upper half of the inflorescence and are 45 to 60 mm long. The cup-shaped flower tube is 3 to 6 mm long.
The elongated three-chamber capsule fruits are 25 to 40 mm long and 10 to 15 mm wide. The shiny, black seeds are 4 to 5 mm long and 3 to 3.5 mm wide.
Systematics and distribution
Agave potrerana grows in Mexico in the states of Chihuahua and Coahuila in forest and grassland at an altitude of 1500 to 2500 m. It is associated with Coryphantha compacta and Echinocereus spec.
The first description by William Trelease was published in 1920.
Agave potrerana is a member of the Marginatae group . Their occurrence is limited to the states of Chihuahua and Coahuila in Mexico. Rose (1897) reports from a location near San Juan Capistrano in Zacatecas . (Gentry 1982, p. 193). It grows up to higher regions in exposed areas in the Sierra del Carmen with severe frosts. The compact rosettes have numerous, lanceolate, stiff leaves. Characteristic is the 3 to 8 m high, straight to curved inflorescence with the red colored flowers. Agave potrerana of the higher mountain regions can withstand periods of frost down to minus 1 ° C when dry.
proof
- Howard Scott Gentry: Agave potrerana . In: Agaves of Continental North America . The University of Arizona Press, 1982, pp. 172-174.
- J. Thiede: Agave potrerana . In: Urs Eggli (Hrsg.): Succulent lexicon. Monocotyledons . Eugen Ulmer, Stuttgart 2001, ISBN 3-8001-3662-7 , pp. 57 .
Individual evidence
- ↑ In: Contr. US Natl. Herb. Agave potrerana Volume 23, p. 138, 1920.
