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Figure 4

Abaxial view of Abies procera seeds. A - seed with integument (wing broken off), a "pure seed" according to PSD 51. B - naked seed. C - undamaged integument from which seed B was removed.

Figure 4

Figure 4. Abaxial view of Abies procera seeds. A - seed with integument (wing broken off), a "pure seed" according to PSD 51. B - naked seed. C - undamaged integument from which seed B was removed.