Figure 7.

Flower Phenotypes of mads6-1 mads3-4.

(A) mads3-4 flower at stage Sp8. Lodicule-anther mosaic organs are indicated by arrows.

(B) to (D) Flower phenotypes of mads6-1 mads3-4 at stage Sp8, including many glume- or lodicule-like and lodicule-anther mosaic organs (B), two carpels in the center (C), and elongated flower axis or inflorescence-like organ and several carpel-like organs on the top (D).

(E) to (H) Scanning electron microscopy analysis.

(E) One mads6-1 mads3-4 flower at stage Sp8 showing lodicule- and glume-like organs.

(F) One mads3-4 flower at Sp7 showing the primordium of one ectopic organ in the second whorl.

(G) One mads6-1 mads3-4 flower at stage Sp6 showing delayed development of inner floral organs, a similar phenotype to the mads6-1 flowers.

(H) One mads6-1 mads3-4 flower at stage Sp8 showing primordia of lodicule- or glume-like organs.

(I) Transverse section analysis of a stage-Sp8 mads6-1 mads3-4 flower, which has six glume-like organs, four lodicule-like organs, two stamens, and two carpels.

(J) and (K) Floral diagrams of mads3-4 (J) and mads6-1 mads3-4 (K).

ca, carpel; ec, ectopic carpel; fm, floral meristem; gl, glume-like organ; l-a, lodicule-anther mosaic organ; ll, lodicules-like organ; lo, lodicules; st, stamen. Bars = 1 mm in (A) to (C), 500 μm in (D) and (E), 50 μm in (F) and (G), and 100 μm in (H) and (I).