Figure 2.

Spikelets at early developmental stages in the wild type and mfs1-1. A to D, Wild-type spikelet at stages Sp4 (A), Sp5 to Sp6 (B), Sp7 (C), and Sp8 (D). E to P, mfs1-1 spikelet at stages Sp4 (E, I, and M), Sp5 to Sp6 (F, J, and N), Sp7 (G, K, and O), and Sp8 (H, L, and P). dsl, Degenerated sterile lemma; el, extra lemma-like organ; fm, floral meristem; le, lemma; lo, lodicule; pa, palea; pal, palea-like organ; pi, pistil; sl, sterile lemma. Asterisks indicate the stamens. Bars = 100 μm.