The Different Forms of Flowers on Plants of the Same Species

by Charles Darwin

TABLE 1.11. Primula Sinensis (from Hildebrand).

Column 1: Nature of the Union. Column 2: Number of Flowers fertilised. Column 3: Number of good Capsules produced. Column 4: Average Number of Seeds per Capsule.

Long-styled by pollen of short-styled. Legitimate union : 14 : 14 : 41.

Long-styled by own-form pollen, from a distinct plant. Illegitimate union : 26 : 26 : 18.

Long-styled by pollen from same flower. Illegitimate union : 27 : 21 : 17.

Short-styled by pollen of long-styled. Legitimate union: 14 : 14 : 44.

Short-styled by own-form pollen, from a distinct plant. Illegitimate union : 16 : 16 : 20.

Short-styled by pollen from the same flower. Illegitimate union : 21 : 11 : 8.

A SUMMARY:

The two legitimate unions together : 28 : 28 : 43.