A. Internode and leaf arrangements B glandular stems C crown of stipules at the leaf axis D leaves (adaxial side) E leaves (abaxial side) F axis of leaves G bracts at the leaf axis H mature and immature flowers I flower detail J sepals (adaxial side) K sepals (abaxial side) L single petal with bifid apex portion M flower with ovary, stamens (indicated with dark lines) and style N ovary detail with a trifurcated style O seeds.