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Notes:
CMT: This species is characterized by its rather large opposite leaves together with average-sized stipules (2-5 mm long); corymbiform (i.e., with the basalmost pair of secondary axes about as well developed as the primary axis), multiflowered inflorescences with the peduncle generally as long as or shorter than the branched portion and the flowers sessile and separated in dichasial cynes; medium-sized corollas; somewhat robust, subglobose to ovoid fruits; and habitat in humid forest. The species identity and limits are not entirely clear, and most of the specimens seen have only young fruits. The type of this species is from nothern Madagascar, and specimens from south of here may need re-evaluation when this species is better known. This species is similar in aspect, inflorescence form, and fruit size and shape to several species of Psychotria, but it lacks the reddened persistent stipule colleters of that other genus and its pyrenes do have the rather deep rounded adaxial excavation that characterizes Chassalia. Chassalia androrangensis is similar to Chassalia grandistipula and Chassalia magnifolia, also of northern Madagascar and also not well circumscribed, but Chassalia grandistipula can be separated by its larger, often deeply bilobed stipules, 8-20 mm long, and flowers sessile or subsessile in congested groups or glomerules; and Chassalia magnifolia can be separated by its larger stipules 5-8 mm long, flowers sessile or subsessile in heads or congested groups, and pyrenes that are usually flattened and costate when young.
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