Ecological aspects of the floral phenology of the cork-oak (Q suber L): why do annual and biennial biotypes appear?
Title | Ecological aspects of the floral phenology of the cork-oak (Q suber L): why do annual and biennial biotypes appear? |
Publication Type | Journal Article |
Year of Publication | 1993 |
Authors | Elena-Rossello, J. A., de Rio J. M., Garcia J. L. Valdeca, & Santamaria I. G. |
Journal | Ann. For. Sci. |
Volume | 50 |
Issue | Supplement |
Pagination | 114s - 121s |
Date Published | 1993/// |
Keywords | annual and biennial biotypes, cork-oak, ecological variability, floral phenology, Quercus, reproductive strategies |
Abstract | Phenological observations (periods of flowering and pollination, floral structures, etc) were made over a 3-year period in natural populations of Q suber. We demonstrated the existence of 2 different types of seed cycles in the cork-oak. The 'annual biotype', requires only 1 season to complete its reproductive cycle (ie, similar to that of the Lepidobalanus group), whereas the 'biennial biotype' requires 2 full years (similar to Erythrobalanus). The variability observed in the cork-oak, during the reproductive cycle, and the meaning of the existence of 2 different reproductive strategies in the same species, are discussed |
URL | http://dx.doi.org/10.1051/forest:19930710 |