Close-up photo of a hand holding a rounded triangular leaf showing the underside with dichotomizing main veins. Small black triangles are in the sinuses of these main veins. Photo by Scott Zona CCBYNC2.
Close-up photo of a hand holding a rounded triangular leaf showing the underside with dichotomizing main veins. Small black triangles are in the sinuses of these main veins. Photo by Scott Zona CCBYNC2.
This is one of my favorite shrubby species: Ficus deltoidea, so named for the shape of the leaf, not the black triangles on the underside of the leaf. Although there are a couple of published studies of leaf anatomy, neither explains what these triangles are. 🤷♂️ #Moraceae #Botany 🌾🧪🌱