Figure 1.

Anatomical structures of (A) CDC Leader, (B) Backtae, (C) Seoritae, and (D) Jwinunikong with different seed coat colors. Hand-cut sections of seeds (top and bottom) mounted in distilled water. Top: cotyledons with the seed coat removed; middle: whole seeds; bottom: seed coats (hulls) with the cotyledon removed. Images were obtained ($\times$500 magnification) with a Canon Eos 300D digital camera mounted on a Zeiss Stemi SV 11 light microscope. The images were subsequently processed in Adobe Photoshop 9.0 software. The scale bar is 1 mm.