Tamamschjanella

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Authors: Pimenov & Kljuykov
Protologue: Bot. Zhurn. 81, 8: 75
Synonyms: No synonyms
Type species: Tamamschjanella rubella
Type species authors: (E.Busch) Pimenov & Kljuykov
Type species synonyms: Eleutherospermum rubellum E.Busch
Number of species: 2
Distribution: Asia (SW, the Caucasus), Europe (SE)
Bibl.: No bibliography
No illustration specified

Features: fruits separating into mericarps; ovate; with carpophore bifid to the base or with carpophore bifid to the middle; beak absent; mericarps homomorphic; glabrous; 4.0-5.5 mm long; 1.4-1.7 mm broad; terete; with primary ribs; all primary ribs equal, keeled or all primary ribs equal, narrow-winged; mericarp ribs straight; with entire margin; calyx teeth obsolete; stylopodia low conical; styles medium; recurved; cell borders indistinct; surface irregularly rugate; 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 in primary rib bases; vittae vallecular and commissural; 2–5 in each furrow; 4–10 on commissural side; rib sectetory ducts small, present in some ribs only; endocarp not lignified; endosperm flat, slightly convex or slightly concave on commissural side; embryo with two cotyledons.

Note: СЭМ: Границы клеток неразличимы, поверхность на ребрах продольно морщинистая, в ложбинках беспорядочно морщинистая, кутикула струйчатая.