Pollen limitation in the endangered Chinese endemic species <i>Sinocalycanthus chinensis</i>.

There are significant and marginally significant differences in R Pi between the progeny from the immediate neighbor and intermediate neighbor treatments (paired t test, t = 3.524, p = .039) and the remote neighbor and intermediate neighbor treatments (paired t test, t = −2.534, p = .085), respectively (Table 3 ).

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