Fig. 5
From: Reproductive biology of an endangered lithophytic shrub and implications for its conservation
The pollen lifespan (A) and changes in pollen viability and stigma receptivity (B) of Lonicera oblata. In the abscissa of plot B, numbers 1–3 represent three budding stages with bud lengths of 5.36 ± 0.51 mm, 6.81 ± 0.59 mm, and 8.63 ± 0.62 mm, respectively; numbers 4–8 represent different flowering days (1–5) with anther indehiscence, dehiscence of the two front anthers, dehiscence of all five anthers, brown anthers, and wilting stamens, respectively