Key to the Genera of Ericaceae of Ecuador Key to the Genera of Ericaceae of Ecuador 1a. Stamen of unequal lengths, the filaments or anthers or both of alternately different lengths. Filaments unequal, usually distinct. Stamen of equal lengths, the filaments and anthers of equal lengths.
Calyx articulate with pedicel.
Calyx continuous with pedicel. Stamen 10, the anther thecae smooth or coarsely granular. 20a.