Arafoe

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Authors: Pimenov & Lavrova
Protologue: Bot. Zhurn. 79, 1, 1989 79, 1: 102
Synonyms: No synonyms
Type species: Arafoe aromatica
Type species authors: Pimenov & Lavrova
Type species synonyms: Ligusticum arafoe Albov
Number of species: 1
Distribution: Asia (the Caucasus)
Bibl.: No bibliography
No illustration specified

Features: fruits separating into mericarps; ovate; with carpophore bifid to the base; beak absent; mericarps homomorphic; sparsely pubescent all over; 4.0-5.0 mm long; 2.0-2.5 mm broad; slightly compressed dorsally; with primary ribs; all primary ribs equal, narrow-winged; mericarp ribs straight; with entire margin; calyx teeth obsolete; stylopodia conical; styles medium; recurved; cell borders indistinct; surface irregularly rugate or surface foveolate-tuberculate; cuticle striate with straight striae; cuticle on hairs tuberculate; exocarp cells small; commissure intermediate; 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 all ribs; endocarp not lignified; endosperm flat, slightly convex or slightly concave on commissural side; embryo with two cotyledons.

Note: СЭМ: Границы клеток неразличимы. на гребнях ребер поверхность продольно бороздчатая со струйчатой кутикулой. В ложбинках поверхность бебспорядочно морщинистая или ямчато-бугорчатая, кутикула бугорчатая, вокрун устьиц кутикула рассеянно струйчатая с радидальным расположением элементов. Волоски редкие, простые, 10-30 мкм длиной, сильно сплюснутые толстостенные, острые на верхушке, с бугорчатой кутикулой.