Bonannia

No map specified
Authors: Guss.
Protologue: Fl. Sic. Prodr. 1: 355
Synonyms: No synonyms
Type species: Bonannia resinifera
Type species authors: Guss.
Type species note: nom. illeg.
Type species synonyms: Bonnania nudicaulis (Spreng.) Rickett & Stafleu
Number of species: 1
Distribution: Europe (S, SE)
Bibl.: No bibliography
No illustration specified

Features: fruits separating into mericarps; lanceolate; with carpophore bifid to the base or carpophore obsolete; beak absent; mericarps homomorphic; glabrous; 5.0-6.0 mm long; 2.0-2.5 mm broad; strongly compressed dorsally or slightly compressed dorsally; with primary ribs; all primary ribs equal, keeled; mericarp ribs straight; with entire margin; calyx teeth obsolete; stylopodia low conical; styles medium; recurved; cell borders indistinct; surface irregularly rugate or surface undulate; cuticle striate with straight striae or cuticle 3D striato-rugulate; exocarp cells small; commissure intermediate; inner fibrous mesocarp obsolete; mesocarp parenchyma not lignified; vascular bundles compact; situated in primary rib bases; vittae cyclic; rib sectetory ducts large, present in all ribs; endocarp not lignified; endosperm flat, slightly convex or slightly concave on commissural side; embryo with two cotyledons.

Note: marginal ribs are sometimes slightly broader than dorsal СЭМ: Границы клеток неразличимы, поверхность волнистая или беспорядочно морщинистая. Кутикула в ложбинках струйчатая, на ребрах струйчатая и объемная струйчато-морщинистая.