Biometrical analysis of parental species and interspecific hybrids.

<p>a: Number of open flowers per plant; b: Quotient of flower diameter and flower length; c: Chlorophyll Content Index. Parental species and interspecific hybrids codes are provided in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0137537#pone.0137537.t001" target="_blank">Table 1</a>.