The independent and combined effects of floral traits distinguishing two pollination ecotypes of a moth-pollinated orchid.

3.2 Effects of plant height and spur length on pollen receipt and fruit production Spur length significantly affected both components of pollen receipt, whereas plant height did not affect the number of flowers receiving pollen and its effect on number of massulae received per pollinated flower was only marginally significant (Figure 2 b–c, Table 1 ).

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