Enigmatic Rubiaceae taxa

Luculia is a genus of flowering plants in the family Rubiaceae. It was described by Robert Sweet in 1826 and is currently found from the Himalayas to southern China. The species are shrubs or small trees, generally found on upland scrub and woodland or forest margins. They have large leaves from 20 to 35 cm with prominent veins carried in opposite pairs. The inflorescence is a terminal umbel or corymb of tubular/open ended white, pink or creamy flowers with 5 spreading petals. It may be from 10 to 20 cm, depending on the species.

species of plant

Temnocalyx is a monotypic genus of flowering plants in the family Rubiaceae. It was originally described by Walter Robyns in 1928 and contained five species. Since then most of these species have been made synonym and currently only one species name remains valid, i.e. Temnocalyx nodulosa. The species is endemic to southwestern Tanzania.

Dialypetalanthus is a genus of trees in the family Rubiaceae. It only contains one species, Dialypetalanthus fuscescens, which is found in Bolivia, Brazil and Peru.