Nectaries are the most interesting organs in flowers – at least to me. Compared to other floral organs (i.e. perianth organs, stamens and carpels), the position of nectaries is not necessarily fixed within the floral...
Co-evolutionary matches between lengths of floral nectar tubes and pollinator proboscises is associated with speciation in several lineages, including Pelargonium (Geraniaceae), a genus renowned for morphological...
I know that this year’s British summer hasn’t been much to write home about (and you would be writing home to the UK– who would have sojourned in that sodden isle given the choice?). But at least the traditional hay...