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. 2016 Dec 6;6:38493. doi: 10.1038/srep38493

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(a) Purler (P₁); (b) Huyou 19 (P₂); Upper row: Angle of the lowest branch, lower row: Angle of the top branch. Bar = 2 cm. (c) Frequency distribution of branch angle of 277 individuals in F₂ population.