Palynology and Seed Micromorphology of Some Geranium L. (Geraniaceae) Species from Hatay (Turkey)

Year 2018, Volume: 2 Issue: 2, 28 - 34, 28.12.2018

Gizem Savcı Ahmet İlçim Faruk Karahan

https://doi.org/10.31594/commagene.482198

Abstract

In the present study,
pollen and seed micromorphology of some Geranium
L. species (G. asphodeloides, G. columbinum, G. dissectum, G. libanoticum, G. molle, G. purpureum, G.
pyrenaicum, G. robertianum, and G.
rotundifolium) distributed in Hatay was investigated using light and
scanning electron microscope. Palynological analysis showed that the pollen grains
were generally large, spheroidal and spheroidal-subprolate, radially
symmetrical, tricolporate, and reticulate-clavate. The seeds ranged from
circular-elliptical to ovate-elliptical in shape, with foveate,
foveate-striate, reticulate, reticulate-faveolate, and rugose-foveate
ornamentation. The results demonstrated that pollen and seed micromorphology
was useful for the taxonomy of these species.    

Keywords

Geranium, Geraniaceae, palynology, seed, Hatay province

Hatay’da Yayılış Gösteren Bazı Geranium L. (Geraniaceae) Türlerinin Palinolojisi ve Tohum Mikromorfolojisi

Abstract

Bu çalışmada Hatay’da doğal yayılış gösteren bazı Geranium L. türlerinin (G. asphodeloides, G. columbinum, G. dissectum,
G. libanoticum, G. molle, G. purpureum, G. pyrenaicum, G. robertianum ve G. rotundifolium) polen ve tohum
morfolojileri ışık ve taramalı elektron mikroskobuyla incelenmiştir.
Palinolojik analiz sonuçlarına göre incelenen türlerin polenleri genel olarak
büyük boyutlarda, prolat-sferoidal şekilde, radial simetrikal, trikolporat
tipte ve retikulat-klavat yüzeye sahip olduğu belirlenmiştir. Tohum
morfolojisine bakıldığında ise tohumların sirküler-eliptik ile ovat-eliptik
arası değişik şekillerde olduğu, tohum yüzeyi bakımından foveat, foveat-striat,
retikulat, retikulat-faveolat ve rugoz-foveat tip ornamentasyonlara sahip
olduğu belirlenmiştir. Yapılan çalışma sonuçlarına göre polen ve tohum
mikromorfolojilerinin Geranium türlerinin
taksonomileri için oldukça kullanışlı olduğu tespit edilmiştir.    

Keywords

Geranium, Geraniaceae, palinoloji, tohum, Hatay

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