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Echinocereus in Habitat - Echinocereus bonkerae subsp. apachensis, USA, Arizona, Maricopa County, Apache Trail

Echinocereus bonkerae subsp. apachensis, USA, Arizona, Maricopa County, Apache Trail

Echinocereus bonkerae J. J. THORNBER & F. BONKER subsp. apachensis (W. BLUM & J. RUTOW) A. ZIMMERMAN Baker et al.: – Chromosome numbers of some cacti of the Western North America. – Haseltonia 15 (VII): 120 (2009) Holotypus USA, Arizona, Maricopa County, Apache Trail, near Fish Creek, Mc Kelvey 735, 18. February 1929 [US 1532949] Synonyme Echinocereus apachensis Echinocereus boyce-thompsonii Etymologie Echinocereus = Igelsäulenkaktus apachensis = benannt nach Vorkommen am Apache Trail Originaltext der Umkombination (2009) im Auszug The diploid chromosome number indicates that the well-known Fish Creek phenotype of Echinocereus is not part of the widespread tetraploid E. engelmannii. Echinocereus bonkerae ssp apachensis differs from typical E. bonkerae in spininess (mostly its spectacularly greater central spine length). Intermediate spine forms (highly variable) are seen in the Sierra Ancha (including one of the chromosome vouchers cited herein), the Mazatzal Mountains, and in the mountains between Globe and Superior. Subspecies apachensis is relatively xeromorphic (tall, seriously spiny plants at the lower altitudinal limits of the species). Nominate subspecies bonkerae grows as compact clumps of shorter stems …

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Echinocereus bonkerae THORNBER et BONKER

Echinocereus bonkerae THORNBER et BONKER The Fantastic Clan: 71 – 73, 85 (1932) Short Spined Strawberry Cactus (Echinocereus Bonkerae) Southeastern Arizona We are nearing the beautiful Pinal Mountains in southeastern Arizona, nearing also the end of our journey over the broad expanse of the Arizona-California desert. After all it is one desert; California, Arizona – what are mere geographical lines or names in the desert land of plants and flowers, in that vast natural amphitheater of the great Southwest? Here in the long low rays of the afternoon sun we see at a distance the purple haze gathering over the mountain peaks, and we know that our day’s work is nearing completion with the coming of the beautiful sunset hour. And here It is, four thousand feet up in the rocky foothills, that we espy the rare little beauty Echinocereus Bonkerae, named for Frances Bonker, one of the authors of this book. It Is a new Strawberry Cactus, growing In the foothills and low mountain ranges of southeastern Arizona, and was discovered only last year …