Johrenia

No map specified
Authors: DC.
Protologue: Coll. Mem. 5 (Mem. fam. Ombellif.), 1829: 54
Synonyms: Caroselinum Griseb.
Type species: Johrenia dichotoma
Type species authors: DC.
Type species synonyms: No synonyms
Number of species: 5
Distribution: Asia (SW), Europe (SE)
Bibl.: No bibliography
No illustration specified

Features: fruits separating into mericarps; ovate or orbicular; with carpophore bifid to the base; beak absent; mericarps homomorphic; glabrous; 4.0-5.0 mm long; 2.0-3.5 mm broad; slightly compressed dorsally; with primary ribs; dorsal ribs inconspicuous; marginal ribs thickened; mericarp ribs straight; with entire margin; calyx teeth obsolete; stylopodia flat or stylopodia low conical; styles short or styles medium; recurved; cell borders distinct or cell borders indistinct; surface foveolate-tuberculate; anticlinal walls concave; outer cell walls convex; cuticle sparse striate or cuticle striate with straight striae; exocarp cells small; commissure broad, exocarp interrupted near edges of marginal ribs; inner fibrous mesocarp obsolete; mesocarp parenchyma partly composed of cells with lignified pitted walls or most of mesocarp composed of cells with lignified pitted walls; vascular bundles compact; situated in primary rib bases; vittae obsolete in mature fruit or vittae vallecular and commissural or vittae vallecular only or vittae commissural only; solitary in furrows or 2–5 in each furrow; two on commissural side or 4–10 on commissural side; rib sectetory ducts small, present in all ribs or rib sectetory ducts large, present in all ribs or rib sectetory ducts small, present in some ribs only; endocarp not lignified; endosperm flat, slightly convex or slightly concave on commissural side; embryo with two cotyledons.

Note: sometimes mesocarpic parenchyma has two destroyed parts on commissural side СЭМ: На спинке границы клеток иногда неразличимы. поверхность на ребрах ровная или продольно бороздчатая,в ложбинках ямчато-бугорчатая; иногда границы различимы, клетки изодиаметрические, в продольных рядах или беспорядочно, в вдавленными антиклинальными стенками и выпуклыми р\наружными. На краевом ребре границы различимы, клетки изодиаметрические с выпуклыми антиклинальными стенками и вогнутыми наружными периклинальными. Кутикула расставленно-струйчатая и струйчатая.