Ammi

No map specified
Authors: L.
Protologue: Sp. Pl. ed. 1: 243
Synonyms: No synonyms
Type species: Ammi majus
Type species authors: L.
Type species synonyms: No synonyms
Number of species: 3-4
Distribution: Europe, Africa, Asia (SW), N America (adv.)
Bibl.: No bibliography
No illustration specified

Features: fruits separating into mericarps; ovate or elliptic; with carpophore bifid to the base or with carpophore bifid to the middle; beak absent; mericarps homomorphic; glabrous; 1.5-2.5 mm long; 0.6-0.8 mm broad; terete; with primary ribs; all primary ribs equal, filiform; mericarp ribs straight; with entire margin; calyx teeth obsolete; stylopodia conical; styles medium; recurved; cell borders indistinct; surface foveolate-tuberculate or surface with conical projections; cuticle striate with straight striae or cuticle striato-knotted; 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; solitary in furrows; two on commissural side; rib sectetory ducts small, present in all ribs; endocarp not lignified; endosperm flat, slightly convex or slightly concave on commissural side; embryo with two cotyledons.

Note: СЭМ: Гребни ребер гладкие или продольно бороздчатые, границы клеток неразличимы, кутикула расставленно струйчатая. В ложбинках границы клеток неразличимы. В углублениях ложбинок поверхность с небольшими конусами, кутикула узловато-струйчатая. На валиках в ложбинках и на боковой стороне ребер клетки неразличимы, поверхность ямчато-бугорчатая со струйчатой кутикулой.