Heredity

FIGURE 3

FROM:

Unreduced gametes and neopolyploids in natural populations of Achillea borealis (Asteraceae)

J Ramsey

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Figure 3.

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Sizes of pollen sampled at different stages of development. (a) Photomicrograph of undehisced anther (stained in carmine). (b) Diameters of pollen inside a single anther. (c) Photomicrograph of pollen from freshly dehisced anthers (stained in aniline blue). (d) Diameters of pollen collected from five open florets of one plant.

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