Scrithacola

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Authors: Alava
Protologue: Notes Roy. Bot. Gard. Edinb. 38: 260
Synonyms: No synonyms
Type species: Scrithacola kurramensis
Type species authors: (Kitam.) Alava
Type species synonyms: Pimpinella kurramensis Kitam.
Number of species: 1
Distribution: Asia (SW: Afghanistan; E: Pakistan)
Bibl.: No bibliography
No illustration specified

Features: fruits separating into mericarps; elliptic; with carpophore bifid to the base; beak absent; mericarps homomorphic; glabrous; 3.9-4.2 mm long; 1.9-2.1 mm broad; strongly compressed dorsally; with primary ribs; dorsal ribs inconspicuous or dorsal ribs filiform; marginal ribs keeled; mericarp ribs straight; with entire margin; calyx teeth obsolete; stylopodia low conical; styles short or styles medium; recurved; cell borders distinct or cell borders indistinct; surface longitudinally rugate or surface foveolate-tuberculate; cells elongated; anticlinal walls concave; outer cell walls flat or outer cell walls convex; cuticle smooth; 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 commissural only; two on commissural side; rib sectetory ducts small, present in some ribs only; endocarp not lignified; crystals obsolete; endosperm flat, slightly convex or slightly concave on commissural side; embryo with two cotyledons.

Note: there are in mesocarp (on commissural side and in furrows) the cell groups with thickened non-lignified walls (collenchyma?); commissural vittae are situated near marginal ribs СЭМ: Границы клеток большей частью неразличимы, поверхность продольно морщинистая и бугорчато-ямчатая. Местами на склоне ребра заметны клетки – удлиненные, в продольных рядах, антиклинальные стенки вдавленные, немного изогнутые, наружные периклинальные плоские или выпуклые. Вся кутикула покрыта воском.