Agave pintilla
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| S.González , M.González & Reséndiz |
Agave pintilla is a plant from the genus of the Agave ( agave ). An English common name is "Maguey Pintillo, Pintollo Agave".
description
Agave pintilla grows solitary or with sparse runners with a stature height of 20 to 35 cm and is 30 to 60 cm wide. The green, stiff, upright, triangular leaves are 13 to 22 cm long and 5.8 to 8 cm wide. The horny leaf margins are white to gray. The gray to brown terminal spine is up to 1.5 cm long.
The paniculate, straight inflorescence is 1.6 to 4.3 m high. The yellow to cream colored flowers appear on the upper part of the inflorescence and are 25 to 40 mm long. The flower tube is 11 to 15 mm long.
The spherical, light brown, three-chambered capsule fruits are 13 to 21 mm long and 7 to 11 mm wide. The black, seeds are 4 to 5 mm long and 2.5 to 4 mm wide.
The flowering period extends from June to August.
Systematics and distribution
Agave pintilla is found in a limited area in Mexico in the El Mezquital region in southeast Durango state . It grows at an altitude of 1440 to 1580 m. It is associated with numerous types of succulents.
The first description by Maria del Socorro González-Elizondo , Martha González-Elizondo and Lorenzo Reséndiz-Rojas was published in 2011.
Agave pintilla is a member of the Marginatae group . Typical are the narrow rosettes and the small number of leaves in contrast to the closely related Agave victoria-regina , known under the name f. nickelsii , which differ in size and leaf structure. The mezquital populations have been known for many years. Michael Bechtold discovered colonies about 20 years ago. Their taxonomic status is controversial and needs further investigation. Interesting hybrids of the group Marginatae ( Agave victoriae-reginae ) are known.
proof
- August J. Spread: Agave victoriae-reginae . In: The Agaves . The Cactus & Succulent Journal Yearbook, 1968, pp. 25-27.
- Howard Scott Gentry: Agave victoriae-reginae . In: Agaves of Continental North America . The University of Arizona Press, 1982, pp. 183-185.
- Thomas Heller: Agave victoriae-reginae In: Agaves . Münster 2006, pp. 144–145.
- Mary Irish, Gary Irish: Agaves, Yuccas and related plants of Continental North America . Timber Press, 2000, pp. 176-178, plates 47, 48.
- Alejandro Martínez-Palacios, Luis E Eguiarte, Glenn R Furnier: Genetic diversity of the endangered endemic agave victoriae-reginae (Agavaceae) in the chihuahuan desert . In: American Journal of Botany . 1999, Volume 86, pp. 1093-1098 online (PDF; 65 kB)
- Ivana Richter: The genus agave . AIAS, 2011.
- J. Thiede: Agavaceae . In: Urs Eggli (Hrsg.): Succulent lexicon. Monocotyledons . Eugen Ulmer, Stuttgart 2001, ISBN 3-8001-3662-7 , pp. 70-71 .
- Bernd Ullrich: Agave victoriae-reginae . In: Cacti and other succulents . Volume 42, Number 7, 1991, index card.
- Bernd Ullrich: On the distribution area of Agave victoriae-reginae T. Moore. In: Cacti and other succulents . Volume 42, Number 11, 1991, pp. 262-263.
Individual evidence
- ^ M. Socorro González-Elizondo, Martha González-Elizondo, Irma L. López-Enríquez, Lorenzo Reséndiz-Rojas, Jorge A. Tena-Flores, Flor Isela Retana-Rentería: El Complejo Agave victoriae-reginae (Agavaceae) . In: Acta Botanica Mexicana . Volume 95, 2011, pp. 65-94 (PDF; 1.7 MB) .