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Title: New Cactus Records from Gran Canaria with a Key to the Opuntioid Species Now Established in the Canary Islands (Spain)
Authors: Verloove, Filip
Marrero Rodríguez, Águedo
Salas-Pascual, Marcos 
Guiggi, Alessandro
UNESCO Clasification: 2417 Biología vegetal (botánica)
Keywords: Cactaceae
Canary Islands
Gran Canaria
Invasive Species, et al
Issue Date: 2018
Journal: Haseltonia 
Abstract: Further field work in Gran Canaria (Canary Islands, Spain) yielded new records of escaped cacti. Opuntia elatior, O. engelmannii, O. phaeacantha, O. stricta, Oreocereus pseudofossulatus, Pilosocereus polygonus, Trichocereus cuzcoensis and T. pachanoi are reported for the first time from Gran Canaria. A spontaneous hybrid between two invasive species (O. ficus-indica and O. robusta) was recorded in two localities. Several of these taxa appear to be firmly established while others are considered casuals, at least at present. Austrocylindropuntia cylindrica - a species formerly considered doubtful in the Canary Islands - is confirmed from Gran Canaria. New records are presented for three recently detected, naturalized or invasive species: Cylindropuntia bigelovii, C. prolifera and Opuntia lindheimeri. All newly detected taxa are illustrated and a key for the identification of the opuntioid species reliably recorded so far in the Canary Islands is presented.
ISSN: 1070-0048
DOI: 10.2985/026.025.0110
Source: Haseltonia [ISSN 1070-0048], v. 2018 (25), p. 115-124
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