İki Endemik Symphytum Taksonunun Anatomik, Ekolojik ve Tüy Morfolojik Özelliklerinin İncelenmesi

Year 2020, Volume: 9 Issue: 3, 1006 - 1023, 26.09.2020

Hatice Yakupoğlu Nezahat Kandemir Arzu Cansaran

https://doi.org/10.17798/bitlisfen.633764

Cited By: 1

Abstract

Bu
çalışmada, Symphytum bornmuelleri ve Symphytum aintabicum’un anatomik,
ekolojik ve tüy morfolojik özellikleri karşılaştırıldı ve onların taksonomik
olarak değerli olan özellikleri tespit edildi. Bu türler Türkiye’nin endemik
Öksin ve Doğu Akdeniz elementidir ve limitli yayılışa sahiptirler. Taksonların
anatomik incelemeleri ışık ve stero mikroskoplar kullanılarak yapıldı. Anatomik
incelemelerde, türlerin kök, gövde ve yaprağından enine kesitler alındı ve
yaprakların alt ve üst yüzeylerinden yüzelsel kesitler alındı. S. bornmuelleri ve S. aintabicum mezofil yapı bakımından bifasiyel yapraklara
sahiptir. Stomalar yaprakların hem alt hemde üst yüzeylerinde gözlendi. S. aintabicum da stomalar anomositik ve
anisositik tipte iken, S. bornmuelleri
de stomalar anomositik tiptedir. Vejetatif ve generatif organlar üzerinde
farklı büyüklükte düz ve çengelli örtü tüyleri ve sap hücre sayıları ve baş
kısımları farklı kapitat salgı tüyleri görüldü. Gövde korteksindeki kollenkima
ve parankimanın tabaka sayısı, iletim demetleri arasındaki sklerenkimanın
tabaka sayısı, iletim demetlerinin durumu, gövde korteksindeki kollenkima ve parankima
tabakalarının düzeni, kutikula ve epidermadaki mikropapilla ve papillaların
yoğunluğu, stoma indeksi, stoma tipleri, epiderma hücrelerinin kenar yapısı ve
kapitat salgı tüylerinin sap hücre sayısı ve baş yapısı çok değerli ayırtedici
anatomik karakterler olarak belirlendi. Toprak örnekleri bu türlerin çiçeklenme
peryotlarında alındı ve toprak örneklerinin fiziksel ve kimyasal özellikleri
tespit edildi. Türler ikilli-tınlı ve tınlı, tuzsuz, hafif alkali, orta
derecede kireçli, zengin organik madde, azot, fosfor ve potasyum içeren
topraklarda yayılış göstermektedir.

Keywords

Symphytum Taksonları, Endemik, Anatomi, Ekoloji

Investigation of Anatomical, Ecological and Trichome Morphological Features of Two Endemic Symphytum Taxa (Boraginaceae)

Abstract

In
this study, anatomical, ecological and trichome morphology features of Symphytum bornmuelleri and Symphytum aintabicum were compared and
identified their valuable features taxonomically. These species are endemic
Euxine and East Mediterranean element of Turkey and have limited distribution.
Anatomical investigations of taxa were made using light and stereo-microscopes.
In anatomical investigaions, the cross-sections were taken from root, stem and
leaves of species, and the surface-sections were taken from upper and lower
surfaces of leaves. S. bornmuelleri
and S. aintabicum have bifacial
leaves in terms of mesophyll structure. Stomata were observed on both upper and
lower surfaces of the leaves. Stomata are anomocytic type in S. bornmuelleri, while stomata were
anomocytic and anisocytic types in S.
aintabicum. Straight and hooked eglandular trichomes in different sizes and
capitate glandular trichomes with different number of stalk cells and head
part, were seen on vegetative and generative organs. The number of layers of
collenchyma and parenchyma in the stem cortex, the number of layer of
sclerenchyma between the vascular bundles, the status of the vascular bundles,
the arrangement of collenchyma and paranchyma layers in stem cortex, the
density of micropapilla and papillae in the cuticle and epiderma, stoma index,
stoma types, the margin structure of epiderma cells and number of stalk cell
and head structure of capitate trichomes were detected very valuable as
distinguishing anatomical characters. Soil samples were taken during flowering
periods of these species and the physical and chemical properties of soil
samples were determined. The species depict a distribution on the soil
containing clayey-loamy, loamy, saltless, slightly alkaline, medium degree
calcareous, rich in organic matter, nitrogen, phosphorus, and potassium.  

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