Figure 1. Variation in corolla colour among the interspecific hybrids (c–e) and the backcross progenies (f–m) of the cross involving J. curcas
(a) and J. integerrima (b). a)Yellowish-green; b) Crimson-red; c) Dark pink; d) Light pink; e) White; f) Dark pink with pubescence on petals; g)
Dark pink; h) Light pink; i) Light pink; j) Light pink; k) Green; l) Pale green; m) White;