Thamnosciadium

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Authors: Hartwig
Protologue: Willdenowia 14, 2: 321
Synonyms: No synonyms
Type species: Thamnosciadium junceum
Type species authors: (Sibth. & Sm.) Hartwig
Type species synonyms: Seseli junceum Sibth. & Sm.
Number of species: 1
Distribution: Europe (SE: Greece)
Bibl.: No bibliography
No illustration specified

Features: fruits separating into mericarps; orbicular or lanceolate; with carpophore bifid to the base; beak absent; mericarps homomorphic; glabrous; 8.0-10.0 mm long; 3.5-4.0 mm broad; slightly compressed dorsally; with primary ribs; dorsal ribs filiform; marginal ribs keeled; mericarp ribs straight; with entire margin; calyx teeth prominent; short; triangular; stylopodia conical; styles long; recurved; exocarp cells small; commissure broad, exocarp interrupted near edges of marginal ribs; 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.