The Different Forms of Flowers on Plants of the Same Species

by Charles Darwin

TABLE 4.28. Oxalis Regnelli (from Hildebrand).

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

Long-styled by pollen of longest stamens of short-styled. Legitimate union : 6 : 6 : 10.1.

Long-styled by pollen of longest stamens of mid-styled. Legitimate union : 5 : 5 : 10.6.

Long-styled by pollen of own mid-length stamens. Illegitimate union : 4 : 0 : 0.

Long-styled by pollen of own shortest stamens. Illegitimate union : 1 : 0 : 0.

Mid-styled by pollen of mid-length stamens of short-styled. Legitimate union : 9 : 9 : 10.4.

Mid-styled by pollen of mid-length stamens of long-styled. Legitimate union : 10 : 10 : 10.1.

Mid-styled by pollen of own longest stamens. Illegitimate union : 9 : 0 : 0.

Mid-styled by pollen of own shortest stamens. Illegitimate union : 2 : 0 : 0.