The variation within the widespread West Malesian species Cratoxylum arborescens (Vahl) Blume was analyzed and three distinctive variants were found. These are recognized formally as varieties, var. arborescens, var. miquelii King, and var. borneense A.C. Church & P.F. Stevens. A key and full descriptions are given. The characters employed to delimit the three taxa are discussed and the selection of varietal rank is justified.
Blumea: Biodiversity, Evolution and Biogeography of Plants
Church, A.C. and Stevens, P.F., "An analysis of the variation within Cratoxylum arborescens (Clusiaceae) in Malesia" (1997). Biology Department Faculty Works. 146.
Available at: https://irl.umsl.edu/biology-faculty/146