Meum

No map specified
Authors: Mill.
Protologue: Gard. Dict. ed. 4: unpaged
Synonyms: No synonyms
Type species: Meum athamanticum
Type species authors: Jacq.
Type species synonyms: Athamanta meum L.
Number of species: 3
Distribution: Europe (W, Central, SW, S, SE, E), Africa (NW, N)
Bibl.: No bibliography
No illustration specified

Features: fruits separating into mericarps; ovate or lanceolate; with carpophore bifid to the base; beak absent; mericarps homomorphic; glabrous; 5.0-6.0 mm long; 1.9-2.5 mm broad; slightly compressed dorsally or terete; with primary ribs; all primary ribs equal, keeled; mericarp ribs straight; with entire margin; calyx teeth obsolete; stylopodia low conical; styles short or styles medium; spreading; cell borders indistinct; surface smooth or surface irregularly rugate or surface undulate; cuticle striate with straight striae; exocarp cells small; commissure narrow, exocarp almost reaches carpophore; inner fibrous mesocarp obsolete; mesocarp parenchyma not lignified; vascular bundles compact; situated medially in primary ribs; 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 or endosperm with broad, shallow groove on commissural side; embryo with two cotyledons.

Note: СЭМ: Границы клеток неразличимы, поверхность ровная, волнистая, беспорядочно морщинистая. Кутикула струйчатая. Устьица не влияют на рисунок кутикулы.