Eleutherospermum

No map specified
Authors: K.Koch
Protologue: No protologue
Synonyms: No synonyms
Type species: Eleutherospermum grandiflorum
Type species authors: K.Koch
Type species note: nom. illeg.
Type species synonyms: Eleutherospermum cicutarium (M.Bieb.) Boiss., Smyrnium cicutarium M.Bieb.
Number of species: 2
Distribution: Asia (the Caucasus, SW)
Bibl.: No bibliography
No illustration specified

Features: fruits separating into mericarps; ovate; with carpophore bifid to the base; beak absent; mericarps homomorphic; glabrous; 3.5-5.0 mm long; 2.3-3.2 mm broad; terete; with primary ribs; all primary ribs equal, keeled; mericarp ribs straight; with entire margin; calyx teeth prominent; short; linear; stylopodia obsolete or stylopodia conical; styles medium; recurved; cell borders distinct; cells isodiametric; anticlinal walls concave; outer cell walls convex; cuticle sparse striate or cuticle rugulate; 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; 2–5 in each furrow; 4–10 on commissural side; rib sectetory ducts obsolete; endocarp not lignified; endosperm with broad, deep groove on commissural side; embryo with two cotyledons.

Note: vittae very thin СЭМ: Границы клеток различимы, на ребрах клетки слабо заметные удлиненные, в ложбинках хорошо заметные изодиаметрические. Антиклинальные стенки вдавленные, наружные периклинальные выпуклые. Кутикула на ребрах струйчатая, в ложбинках морщинистая и расставленно струйчатая. Редкие устьица не влияют на рисунок кутикулы.