Lasianthus jackianus is a species of flowering plant in the family Rubiaceae. It is a tropical understory shrub native to parts of South and Southeast Asia, including India and Sri Lanka.
Description Lasianthus jackianus is a shrub characterized by opposite leaves, interpetiolar stipules, and small pale flowers borne in axillary clusters. The branchlets are usually slender, and the fruits are berry-like drupes that become dark when mature.
Distribution and habitat The species occurs in tropical evergreen and semi-evergreen forests. In India, it has been recorded from the Western Ghats, including Kerala and Tamil Nadu. It grows mainly in shaded forest understories at low to mid elevations.
Taxonomy The species was first described by the botanist Robert Wight. It belongs to the genus Lasianthus, a large group of tropical shrubs distributed mainly in Asia.
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