Resources limit the fecundity of three woodland herbs |
| |
Authors: | C. McCall R. B. Primack |
| |
Affiliation: | (1) Biology Department, Boston University, 02215 Boston, MA, USA;(2) Present address: Botany Department, University of Wisconsin, 53706 Madison, WI, USA |
| |
Abstract: | Summary Effects of supplemental hand pollination on fruit set, seed number, and seed weight were examined for 3 perennial, woodland herbs, Uvularia sessilifolia, Geranium maculatum, and Maianthemum canadense. We found no evidence for pollen limitation of any measure of fecundity. Low light probably limited fecundity in Geranium, while soil nitrogen limited the number of sseds/fruit in Maianthemum. For Geranium and Maianthemum the relationship between the number of flowers and fecundity varied in differeent years. Maianthemum ramets with greater than average flower numbers had a decreased chance of reproductive failure than did ramets with few flowers. |
| |
Keywords: | Uvularia Geranium Maianthemum Resource limitation Plant reproductive biology |
本文献已被 SpringerLink 等数据库收录! |
|