Cratoxylum

Cratoxylum (or Cratoxylon, an orthographic variant) is a genus of flowering plants in the family Hypericaceae, native to tropical Asia. The generic name means "strong wood", referring to the timber.

Description
Cratoxylum species grow as shrubs or small to medium-sized trees. The bark, drying black, produces a yellow resinous sap. The flowers are white or pink to crimson. The ellipsoid fruits consist of three valves.

Distribution and habitat
Cratoxylum species grow naturally from India through southern China to Malesia.

Species
, Plants of the World Online recognises seven species:
 * Cratoxylum arborescens (Vahl) Blume
 * Cratoxylum cochinchinense (Lour.) Blume
 * Cratoxylum formosum (Jack) Benth. & Hook.f. ex Dyer
 * Cratoxylum glaucum Korth.
 * Cratoxylum maingayi Dyer
 * Cratoxylum neriifolium Kurz
 * Cratoxylum sumatranum (Jack) Blume