Floral syndrome and breeding system of Erigeron breviscapus Breeding System and Pollina tion Ecology in J a tropha cu rcas Breeding system, morphological and anatomical characteristics of Coptis deltoidea Flowering Biology of Lycium barbarum L. NQ-2 Floral Syndrome and Breeding System of Iris tectorum Flower Structure and Biological Characteristics of Flowering and Pollination in Iris japonica Thunb. Floral Dynamic and Mating System of Diploid Allium caeruleum from Tianchi,Tianshan Mountains Floral Dynamic and Mating System of Diploid Allium caeruleum from Tianchi,Tianshan Mountains Floral Syndrome and Breeding System of Bletilla striata Floral Syndrome and Breeding System of Bletilla striata