Laser

No map specified
Authors: Borkh ex P.Gaertn. & B.Mey. & Schreb.
Protologue: Oekon.-Techn. Fl. Wetterau 1: 244, 384
Synonyms: Alsaton Raf. , Bradleia Raf.
Type species: Laser trilobum
Type species authors: (L.) Borkh.
Type species synonyms: Laserpitium trilobum L.
Number of species: 1
Distribution: Europe (W, Central, SW, S, SE, E), Asia (Sw, the Caucasus)
Bibl.: No bibliography
No illustration specified

Features: fruits separating into mericarps; ovate or elliptic or lanceolate; with carpophore bifid to the base; beak absent; mericarps homomorphic; glabrous; 6.5-8.5 mm long; 2.5-3.2 mm broad; slightly compressed dorsally; with primary and secondary ribs; all primary ribs equal, keeled; mericarp ribs straight; with entire margin; secondary ribs keeled; calyx teeth prominent; short; triangular; stylopodia low conical or stylopodia conical; styles medium or styles long; recurved; cell borders indistinct; surface smooth or surface undulate; cuticle smooth; exocarp cells small; commissure broad, exocarp interrupted near edges of marginal ribs; inner fibrous mesocarp present, continous; mesocarp parenchyma partly composed of cells with lignified pitted walls; vascular bundles compact; situated in primary rib bases; vittae vallecular and commissural; solitary in furrows; 4–10 on commissural side; rib sectetory ducts obsolete; endocarp not lignified; endosperm with broad, shallow groove on commissural side; embryo with two cotyledons.

Note: cells with lignified pitted walls are situated only in marginal ribs СЭМ: Границы клеток неразличимы. поверхность гладкая и волнистая. Кутикула не видна.