posticous
/pɒˈstʌɪkəs/Botany
adjective
Of an anther or its dehiscence: opening outwards; extrorse. Also (of various plant parts, especially those of a corolla or calyx): located on the side closer to the axis.
Origin
Mid 19th century; earliest use found in John Lindley (1799–1865), botanist and horticulturist. From post-classical Latin posticus + -ous.