Morphological, anatomical and micromorphological characterization of Rhamnus microcarpa (Rhamnaceae)

Abstract

In this study, general morphological characteristics, the leaf and wood anatomical characteristics and, leaf micromorphological features of Rhamnus microcarpa, which is native in Artvin were investigated in detail. Leaves broadly ovate, 3.0-5.5 x 1.9-3.9 cm; stipules 4-7 mm; pinnately 7-10 veined; petiol 6-15 mm. Bud scales dark brown transverse band at the base.  Wood was semi-ring porous to ring porous, rays heterocellular, fibers thick-walled especially in latewood. In leaves, dorsiventral mesophyll, hypostomatic type stomata and simple unicellular trichomes observed. Also, epicuticle scales in the lower leaf surface observed.

Keywords

• Rhamnus microcarpa,Atadinus,anatomy,micromorphology,Artvin,Turkey,morphology

Rhamnus microcarpa (Rhamnaceae)'nın morfolojik, anatomik ve mikromorfolojik karakterizasyonu

Abstract

Bu çalışmada, Artvin’de doğal olarak yayılış gösteren Rhamnus microcarpa’nın genel morfolojik özellikleri, yaprak ve odun anatomik özellikleri ve yaprak mikromorfolojik özellikleri detaylı olarak incelenmiştir. Yapraklar geniş yumurtamsı, 3.0-5.5 x 1.9-3.9 cm; stipüller 4-7 mm; damar sayısı 7-10; yaprak sapı 6-15 mm’dir. Tomurcuk pullarının tabanında koyu kahverengi enine şeritler bulunur. Odun yarı halkalı veya halkalı traheli, özışınları heteroselüler, özellikle yaz odununda lifler kalın çeperlidir. Yapraklarda dorsiventral mezofil, hipostomatik tip stoma ve basit üniselüler tüyler tespit edildi. Ayrıca, yaprak alt yüzeylerinde epikütikular pullar gözlendi.

Keywords

• Atadinus,Rhamnus microcarpa,anatomi,mikromorfoloji,Artvin,Türkiye,morfoloji

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