Might Heterostyly Underlie Spider Occurrence on Inflorescences? A Case Study of Palicourea rigida (Rubiaceae), a Common Shrub from Brazilian Cerrado
Spider guild richness per inflorescence in brevistylous and longistylous shrubs of P. rigida. Error bars represent ± SE. The unequal letters above error bars indicate statistically significant differences at significance level of 0.05.