No map specified
Authors: DC.
Protologue: Coll. Mem. 5 (Mem. fam. Ombellif.): 42
Synonyms: Cryptospermum Pers. ex Steud., Deringa Adans.
Type species: Cryptotaenia canadensis
Type species authors: (L.) DC.
Type species synonyms: Sison canadense L.
Number of species: 6
Distribution: Europe (S, W - adv.) Asia (the Caucasus, E), N America, Oceania (Hawaii), Africa (NE, trop.)
Bibl.: No bibliography
No illustration specified

Features: fruits separating into mericarps; linear-lanceolate; with carpophore bifid to the base; with short beak; mericarps homomorphic; glabrous; 4.5-6.0 mm long; 0.8-1.1 mm broad; terete; with primary ribs; all primary ribs equal, keeled; mericarp ribs straight; with entire margin; calyx teeth obsolete; stylopodia conical; styles short; erect; cell borders indistinct; surface longitudinally rugate; cuticle smooth or cuticle sparse striate; exocarp cells small; commissure narrow, exocarp almost reaches carpophore; inner fibrous mesocarp obsolete; mesocarp parenchyma not lignified; vascular bundles compact; situated in primary rib bases; vittae vallecular and commissural; 2–5 in each furrow; 4–10 on commissural side; rib sectetory ducts obsolete; endocarp not lignified; endosperm flat, slightly convex or slightly concave on commissural side; embryo with two cotyledons.

Note: number of vascular bundles is up to 7 (CHECK!) СЭМ: Границы клеток неразличимы. На ребрах поверхность волнистая, в ложбинках продольно морщинистая, кутикула гладкая, с невысокими редкими бугорками или расставленно струйчатая.