Figure 3From: Seed Viability and Fire-Related Temperature Treatments in Serotinous California Native Hesperocyparis Species Hesperocyparis sargentii (Sargent’s cypress) seeds cut longitudinally, showing the four categories of observation: (a) full stain of embryo; (b) incomplete stain of embryo; (c) unstained embryo; and (d) embryo absent. For all species studied, only (a) was considered viable.Back to article page