Oplonia spinosa, the pricklybush, is a species of plant in the family Acanthaceae, endemic to several Caribbean islands. It is a spiny shrub ranging in height from dwarf to 3 meters, with curved spines 4–12 mm long, and leaves variable in size and shape. Synonyms Anthacanthus spinosus (Jacq.) Nees Jasminum coeruleum Kuntze Justicia spinosa Jacq. References Alain H. Liogier, Henri Alain Liogier, Descriptive Flora of Puerto Rico and Adjacent Islands: Acanthaceae to Compositae, page 42, Volume 5 of Descriptive Flora of Puerto Rico and Adjacent Islands: Spermatophyta, La Editorial, UPR, 1985. . GBIF entry ITIS entry USDA PLANTS entry JSTOR Plant Science entries Acanthaceae Plants described in 1838