Reproductive implications of herkogamy in homostylous primroses: variation during anthesis and reproductive assurance in alpine environments

Vos, Jurriaan M. Institute of Systematic Botany; University of Zürich; Zollikerstrasse 107; 8008; Zürich; Switzerland
Keller, Barbara Institute of Systematic Botany; University of Zürich; Zollikerstrasse 107; 8008; Zürich; Switzerland
Isham, Samuel T. Biology Department; The Colorado College; 14 East Cache La Poudre Street; Colorado Springs; CO; 80903; USA
Kelso, Sylvia Biology Department; The Colorado College; 14 East Cache La Poudre Street; Colorado Springs; CO; 80903; USA
Conti, Elena Institute of Systematic Botany; University of Zürich; Zollikerstrasse 107; 8008; Zürich; Switzerland