1Petals subemarginate; intermediate leaves more than 4 times longer than wide.
1'Petals deeply emarginate to bifid; intermediate leaves 1.5-4 times longer than wide.
2At least the upper bracts with membranaceous margin.
2'Upper bracts green.
3Pedicels in both flower and fruit much longer than calyx; stamen with a gland at the base of the filament.
3'Pedicels shorter than or as long as calyx, 1-3 mm in flower, 2-6 mm in fruit; no glands at the base of the filaments.