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. 1998 Mar;116(3):959–967. doi: 10.1104/pp.116.3.959

Figure 1.

Figure 1

Organogenic sequence of SCBs and PCBs during differentiation in radiata pine. a, Longitudinal section of an SCB with initiated bracts (arrowheads) (5 mg), ×28.5. b, Longitudinal section of a 50-mg SCB showing fused bract-ovuliferous scale primordia complex. An arrowhead indicates the ovuliferous scale primordia, ×180. c and d, Longitudinal section of a 100-mg SCB with developing bracts and ovuliferous scales (arrowheads), ×170 and ×5, respectively. e, Female LSTB with developing SCB (100–300 mg) and DSB, ×1.5. f, Five-milligram PCB with developing microsporophylls (Mi), ×15. g, Longitudinal section of a developing 100-mg PCB after the completion of microsporophyll (Mi) initiation, ×10. h, Male LSTB with developing PCB (300 mg), ×1.7. BP, Bract primordia; SC, sterile cataphylls.