Secondary thickening absent. Xylem without vessels. Root anatomy . Root xylem with vessels. Reproductive type, pollination .
Fertile flowers hermaphrodite .
Floral nectaries present. Inflorescence, floral, fruit and seed morphology . The terminal inflorescence unit cymose. The floral irregularity e.g. in some Allium species, involving the androecium. Perigone tube present, or absent.