Hypanthium, Calyx glands, Malpighiales, Acmanthereae, and Floral vasculature
Nectary, Eriocauloideae, Floral development, Dimery, Floral evolution, Eriocaulaceae, Floral vasculature, Eriocaulon, Floral anatomy, Floral ontogeny, Poales, and Xyrids
