ALİ SAVAŞ BÜLBÜL, METİN ARMAĞAN, Kader VARLIK

Microscope (SEM) Türkiye Acanthophyllum C.A.Mey. (Caryophyllaceae) cinsi tohum morfolojisi

Bu çalışmada Türkiye Acanthophyllum cinsine ait 5 türün tohum mikroyapısı sistematik önemini değerlendirmek için stereomikroskop ve taramalı elektron mikroskopu (SEM) ile incelenmiştir. Acanthophyllum tohumları oblong veya obovat şekli ile karakterizedir. Tohum dorsal ve ventral yüzeyleri genellikle konvekstir. En büyük tohumlar A. acerosum'da bulunur (2.45 mm uzunluğunda ve 1.16 mm genişliğindedir). En küçük tohumlar A. verticillatum'da bulunur (1.61 mm uzunluğunda ve 0.84 mm genişliğindedir). Acanthophyllum türlerinin tohumları, yapboz gibi uzun veya çokgen hücrelerle düzenlenmiş ince tüberküllüdür. Sütur şekli sinuous, undulate veya dentattır. Tohum rengi kırmızımsı kahverengi veya sarımsı kahverengidir. Radikula yalnızca bir tarafta ve hilum açıklığından daha ileride sonlanmaktadır. Tohum rengi, tohum uzunluğu ve genişliği, hilum uzunluğu ve genişliği, sütur şekli, testa hücrelerinin şekli sütur başına gözlenen diş sayısı Acanthophyllum türlerini ayırmada önemli karakterlerdir. Bu çalışmada, Acanthophyllum cinsi arasındaki benzerlikler ve farklılıklar ortaya çıkarılmış ve taksonomik araştırmalara katkıda bulunulmuştur

Seed micromorphology of Acanthophyllum C.A.Mey. (Caryophyllaceae) Genus in Turkey

In this study, seeds of 5 species of Acanthophyllum in Turkey were examined with stereomicroscope and scanning electron microscope (SEM) to evaluate the systematic significance of seed microstructure. The seeds of Acanthophyllum were characterised by oblong or obovate shape. Seeds dorsal and ventral side are generally convex. The largest seeds are found in A. acerosum (2.45 mm in length and 1.16 mm in width). The smallest seeds are found in A. verticillatum (1.61 mm in length and 0.84 mm in width). Seeds surface of Acanthophyllum species are fine tuberculate arranged with elongate or polygonal cells like jigsaw puzzle. The shape of suture is sinuous, undulate or dentate. The colour of seed is reddish-brown or yellowish-brown. The radicle is on the one side of each seed and just out beyond the hilar notch. Colour of seeds, seed length and width, hilum length and width, suture shape, testa cell shape and the number of suture points per plate are important characters in differentiating Acanthophyllum species. By this study, similarities and differences between the species of Acanthophyllum genus are revealed and contributed to taxonomic studies

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