Glandular trichome density and distribution among four of the five Solanum species used in this study. A, S. pennellii accession LA0716 leaf. B, A closer look at S. pennellii glandular trichomes. C, S. pimpinellifolium accession LA1589 leaf. D, A closer look at S. pimpinellifolium glandular trichomes. E, S. habrochaites accession LA1777 leaf. F, A closer look at S. habrochaites glandular trichomes. G, S. arcanum accession LA1708 leaf. H, A closer look at S. arcanum glandular trichomes. I, S. lycopersicum accession LA3475 (M82) leaf. J to M, S. lycopersicum glandular trichomes. J, Type 1. K and L, Type 6. M, Type 7.