Figure 1
From: Pollen viability and longevity in Juniperus taxa native to Slovakia
Germinating pollen of J. communis (a), J. sibirica (b) and J. communis var. intermedia (c); pt-pollen tube, hc-non-germinating pollen grain with hydrophilic capsule, dp-non-germinating pollen grain which failed to form hydrophilic capsule, e-exine.
