Fig. 1. The phenotype of hst-1. (A) Two-week-old wild-type rosette (B)
Two-week-old hst-1 rosette. (C) Wild-type inflorescence. (D)
hst-1 inflorescence. Note abnormally expanded internodes and short
lateral inflorescences (arrow) and unfertilized siliques (asterisk). (E)
Wild-type flowers. (F) hst-1 flowers. hst-1 flowers are
unusually small and are irregularly spaced (arrow).