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GROWTH FORM DICHOTOMY IN SUBSPECIES OF ARCTOSTAPHYLOS PENINSULARIS FROM BAJA CALIFORNIA

Jon E. Keeley, Allen Massihi and Robert Goar
Madroño
Vol. 39, No. 4 (OCTOBER-DECEMBER 1992), pp. 285-287
Stable URL: http://www.jstor.org/stable/41424924
Page Count: 3
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
GROWTH FORM DICHOTOMY IN SUBSPECIES OF ARCTOSTAPHYLOS PENINSULARIS FROM BAJA CALIFORNIA
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Abstract

Arctostaphylos peninsularis subsp. peninsularis is a crown sprouting species with massive burls that dominates much of the Sierra San Pedro Martir of northern Baja California. In the adjacent Sierra Juarez, A. peninsularis subsp. juarezensis is a nonburl-forming arborescent obligate seeder. Hypotheses are proposed to account for this marked difference in fire response. Arctostaphylos peninsularis subesp. peninsularis es una especie poseedora de tubérculo lignoso que rebrota después de incendios y se encuentra por todo la Sierra San Pedro Martir de Baja California norte. Encuentran en las montanas adyacientes, la Sierra Juarez, A. peninsularis subesp. juarezensis. Es esta una especie arborescente la cual no posee un tuberculo lignoso ni puede rebrotar despues de los incendios. Hipotesis son proponer para explicar esta differencia en respuesta regeneracion del fuego.

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