Agave xylonacantha

Agave xylonacantha
Agave xylonacantha
Systematics
Order : Asparagales (Asparagales) Family : Asparagaceae (Asparagaceae) Subfamily : Agave family (Agavoideae) Genre : Agaves ( agave ) Subgenus : Littaea Type : Agave xylonacantha
Scientific name
Agave xylonacantha
Salm-Dyck

Agave xylonacantha is a plant from the genus of the Agave ( agave ). An English common name is "Saw Leaf Agave".

description

Agave xylonacantha forms a short trunk and grows singly or sprouts. The rosettes are formed from the lower leaf axils. The variable, lanceolate, thick, stiff, green to yellow-colored leaves are 40 to 125 cm long and 5 to 12 cm wide. The upper and lower sides of the leaf are shaped differently. The horny leaf margins are toothed flexibly. The strong brown to gray terminal thorn is 3 to 6 cm long.

The annual, straight inflorescence is 3 to 6 m high. The green to yellow colored flowers appear in pairs, rarely more often in the upper part and are 40 to 50 mm long. The flower tube is 3 to 5 mm long.

Systematics and distribution

Agave xylonacantha grows in Mexico in Tamaulipas , San Luis Potosí , Guanajuato , Querétaro and Hidalgo on dry limestone slopes , in tropical woodlands up to 900 m altitude. It is associated with cacti and other types of succulents.

The first description by Salm-Dyck was published in 1859. Synonyms are Agave carchariodonta Pamp. , Agave kochii Jacobi , Agave noli-tangere A. Berger and Agave splendens Jacobi .

Agave xylonacantha is a member of the Marginatae group . The horny leaf margins with the strong, variably arranged marginal teeth are characteristic. It is closely related to Agave lophantha . The species is cultivated in the Huntington Botanical Garden in San Marino, California. Agave xylonacantha hybridizes with Agave lophantha , Agave ghiesbreghtii and Agave lechuguilla .

literature

• August J. Spread : The Agaves. The Cactus & Succulent Journal Yearbook. 1968, pp. 10, 12.
• Howard Scott Gentry: Agaves of Continental North America . University of Arizona Press, 1982, ISBN 0-8165-0775-9 , pp. 126-129, 187-188.
• Mary & Gary Irish: Agaves, yuccas, and related plants . Timber Press, 2000, ISBN 0-88192-442-3 , pp. 181-183, pl. 51.
• J. Thiede: Agavaceae. In: Urs Eggli (Hrsg.): Succulent lexicon. Monocotyledons. Eugen Ulmer, Stuttgart 2001, ISBN 3-8001-3662-7 , p. 75.
• Thomas Heller: Agaves . Ntv, Münster 2006, ISBN 3-937285-59-8 , pp. 150–151.

Individual evidence

1. ^ Salm-Dyck: In: Bonplandia. Hanover 1859, Volume 7, p. 92.
2. ↑ Howard Scott Gentry: Agaves of Continental North America. 1982, p. 188.

Web links

Commons : Agave xylonacantha  - Collection of images, videos and audio files