The sections and subsections of the genus Croton :
Dragon's blood is a bright red resin which is obtained from different species of a number of distinct plant genera: Calamus spp. also including Calamus rotang, Croton, Dracaena and Pterocarpus. The red resin has been in continuous use since ancient times as varnish, medicine, incense, pigment, and dye.
Plumeria, also known as frangipani, is a genus of flowering plants in the subfamily Rauvolfioideae, of the family Apocynaceae. Most species are deciduous shrubs or small trees. The species are native to the Neotropical realm, but are often grown as cosmopolitan ornamentals in tropical regions, especially in Hawaii, as well as hot desert climates in the Arabian Peninsula with proper irrigation.
Phyllanthus is the largest genus in the plant family Phyllanthaceae. Estimates of the number of species in this genus vary widely, from 750 to 1200. Phyllanthus has a remarkable diversity of growth forms including annual and perennial herbs, shrubs, climbers, floating aquatics, and pachycaulous succulents. Some have flattened leaflike stems called cladodes. It has a wide variety of floral morphologies and chromosome numbers and has one of the widest range of pollen types of any seed plant genus.
Sebastiania is a genus of flowering plants in the family Euphorbiaceae first described in 1821. It is native to North and South America from Arizona and the West Indies south to Uruguay.
Manihot is a genus in the diverse milkspurge family, Euphorbiaceae. It was described as a genus in 1754.
Astrocasia is a plant genus of the family Phyllanthaceae first described as a genus in 1905. It is included in the subtribe Astrocasiinae. It is native to Mesoamerica, northern South America, and the western part of the West Indies. Plants are mostly dioecious, except for Astrocasia diegoae which is monoecious, and some individuals of A. neurocarpa and A. tremula.
Bia is a genus of plant of the family Euphorbiaceae first described as a genus in 1841. The entire genus is native to South America.