Phenetic Analysis of Certain Taxa of Euphorbiaceae Grown in Egypt

doi:10.21608/ejbo.2015.216

Cited by 2 publications

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References 17 publications

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“…Keberadaan trikoma pada genus Breynia, Glochidion, dan Phyllanthus sangat beragam. Hasil pengamatan menunjukkan bahwa pada Breynia macrantha tidak ditemukan adanya trikoma dan serupa dengan spesies lain yaitu B. disticha (Moawed, Saiid, Abdelsamie, & Tantawy, 2015), sedangkan B. vestita memiliki trikoma tunggal multiseluler yang setipe dengan trikoma pada B. nivosa (Thakur et al, 2017). Glochidion sp.…”

Section: Hasilunclassified

“…Tipe berkas pengangkut pada tulang daun menyerupai B. cernua dan B. vestita, yaitu tipe semi lunar sedangkan pada tangkai daun menyerupai Glochidion, yaitu bentuk menyerupai ginjal. Tipe berkas pengangkut tangkai daun dengan bentuk menyerupai ginjal pada genus Breynia juga ditemukan pada B. disticha (Moawed et al, 2015). Hal ini mengindikasikan bahwa berkas pengangkut pada genus Breynia memiliki rentang dari semi lunar sampai menyerupai ginjal.…”

Section: Hasilunclassified

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Struktur Anatomi Daun Phyllanthaceae di Kabupaten Banggai Kepulauan

Wulansari

Dewi

2021

Al-Kauniyah J. Biol.

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Abstrak Pengenalan ciri makhluk hidup dalam praktik identifikasi sebagian besar menggunakan ciri morfologi. Ciri anatomi memperkuat ciri morfologi atau menyelesaikan permasalahan kerancuan identifikasi secara morfologi. Penelitian ini bertujuan untuk mengetahui karakter anatomi daun pada 11 spesies famili Phyllanthaceae yang ditemukan di wilayah eksplorasi Kabupaten Banggai Kepulauan. Metode yang digunakan adalah pembuatan preparat paradermal dan transversal helai dan tangkai daun. Karakter yang diamati pada setiap preparat adalah karakter paradermal yaitu epidermis dan derivatnya, karakter transversal meliputi bentuk dan jumlah lapisan epidermis, mesofil, keberadaan kristal dan karakter khusus spesies serta bentuk berkas pengangkut pada tulang daun dan tangkai daun. Berdasarkan preparat paradermal daun diperoleh tipe daun hipostomatik dengan tipe stomata umumnya parasitik dan anomositik, dan ditemukan variasi tipe stomata anisositik pada Baccaurea nanihua dan Antidesma excavatum. Pada preparat transversal diperoleh tipe daun dorsiventral, bentuk epidermis dan jaringan tiang yang beragam. Pada organ tangkai daun, ditemukan empat tipe berkas pengangkut, yaitu bentuk lonjong dengan dua tambahan berkas pengangkut, bentuk dasar menyerupai ginjal, bentuk semi-lunar, dan bentuk lonjong dengan satu berkas pengangkut. Abstract Morphological characters are commonly used as a tool for plant identification. Anatomical characters can also be used as additional characters to provide strong descriptions of morphological characters and to resolve unclear identification of morphological characters. This study aims to identify leaf anatomical characters of 11 species of Phyllanthaceae family collected from the Banggai Kepulauan Regency. The characters are observed in each slide were paradermal characters, namely epidermis and its derivatives; transverse characters including the shape and number of epidermal layers, mesophyll, presence of crystals and species-specific characters as well as the shape of the vascular bundle on the midrib and petiole. The observation on paradermal section of lamina showed that all species have hypostomatic leaf, parasitic and anomocytic stomata types with variation of the anisocytic types were found in Baccaurea nanihua and Antidesma excavatum.Observation of the transverse section showed dorsiventral leaf types, size variation of upper epidermal cells as well as variations of palisade cells. The observation on transverse section of the petiole showed four types of vascular bundles in the petiole: oval shape along with two small separated vascular, the kidney – like shape, the semi-lunar shape and oval single vascular bundle.

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Section: Hasilunclassified

Struktur Anatomi Daun Phyllanthaceae di Kabupaten Banggai Kepulauan

Wulansari

Dewi

2021

Al-Kauniyah J. Biol.

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Leaf Epidermal Traits of Selected Euphorbiaceae and Phyllanthaceae Taxa of Hainan Island and Their Taxonomic Relevance

et al. 2022

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Euphorbiaceae and Phyllantaceae are two of the most taxonomically complex and diverse families among angiosperm. Therefore, this study aims to identify the common, variation, and diagnostic traits of foliar anatomy and micromorphology of selected Euphorbiaceae and Phyllanthaceae taxa collected from Hainan Island. A total of 42 individuals of 38 species belonging to these two families were examined under light microscopy (LM) and scanning electron microscopy (SEM). A multivariate detrended correspondence analysis (DCA), principal component analysis (PCA), and chord diagram analysis were performed to visualize the variations and relationships between the species. The nonglandular trichomes were further classified into long falcate and short conical with papillae on their surface, and stellate and lepidote subentire, while the glandular trichomes were divided into capitate, subsessile capitate, sessile capitates, and peltate. The paracytic-type stomata were found in most of the species. The prominent continuous or discontinuous cuticular striations radiating from the guard cells in parallel, horizontal, or reticulate patterns were analyzed in most of the taxa. Variation was also found in epidermal cells and anticlinal wall patterns. Together, these traits are useful for identification, discrimination, and to define species boundaries at various levels. Our study will provide a basis for future studies to strengthen the systematic of Euphorbiaceae taxa.

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Phenetic Analysis of Certain Taxa of Euphorbiaceae Grown in Egypt

Cited by 2 publications

References 17 publications

Struktur Anatomi Daun Phyllanthaceae di Kabupaten Banggai Kepulauan

Struktur Anatomi Daun Phyllanthaceae di Kabupaten Banggai Kepulauan

Leaf Epidermal Traits of Selected Euphorbiaceae and Phyllanthaceae Taxa of Hainan Island and Their Taxonomic Relevance

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