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Chiang Mai Journal of Science, Faculty of Science, Chiang Mai University
 


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Anatomical Characteristics of Leaf and Petiole and Presence of Calcium Oxalate Crystals in Giant Elephant Ear (Colocasia gigantea (Blume) Hook. f.)


Paper Type 
Contributed Paper
Title 
Anatomical Characteristics of Leaf and Petiole and Presence of Calcium Oxalate Crystals in Giant Elephant Ear (Colocasia gigantea (Blume) Hook. f.)
Author 
Yupadee Paopun, Piyanan Thanomchat and Nustsaba Kronburee
Email 
rdiydp@ku.ac.th
Abstract:

     The genus Colocasia contains mostly calcium oxalate (CaOX), especially found in petioles and leaves. The petioles of C. gigantea are usually consumed by Southeast Asian people for cooking. In addition, fresh petioles together with leaves are utilized as animal feed. This study aims to determine the anatomical characteristics of both parts of the above mentioned to identify characters of CaOX crystals using a compound light microscope, polarized microscope, scanning electron microscope, and energy-dispersive X-ray spectrometer. The results showed that the leaf anatomical characteristics comprise four layers, i.e. the upper and the lower epidermis, mesophyll, and vascular bundles, respectively. The mesophyll layer consists of palisade cells, spongy cells, and air spaces. Besides the idioblast cells also found in the mesophyll. The petiole comprises three layers, i.e. the epidermis, stele (vascular bundle), and cortex where parenchyma cells, air spaces, and idioblast cells exist. The idioblast cells contain a group of raphide (or raphide bundle) of CaOX in the cell. The palisade cells of the leaf and parenchyma cells of the petiole contain other shapes of CaOX crystals such as druse, rectangular prism, hexagonal prism, and octahedron prism. The length and thickness of the raphide crystals bundle are 60.40-67.50 μm and 26.00-30.90 μm, respectively. The length and thickness of needle-like crystals are 20.80- 67.30 μm and 0.86-1.04 μm, respectively. The diameter of crystals in a druse form is 25.70-30.60 μm. The small crystals appear in three forms, i.e. rectangular, hexagonal, and octagonal prism. The length, width, and thickness of crystals are 3.57-6.57 μm, 1.11-2.05 μm, and 0.33-2.61 μm, respectively. The EDS X-ray spectra and maps analyzed from the crystals found the elements of calcium (Ca) and oxygen (O).

Graphical Abstract:
Article ID
e2025016
Received Date 
2024-08-28
Revised Date 
2025-01-22
Accepted Date 
2025-02-26
Published Date 
2025-03-24
Full Text 
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Keyword 
giant elephant ear, Colocasia gigantea, anatomical, calcium oxalate, SEM, LM, EDS, X-ray mapping
Volume 
Vol.52 No.2 (March 2025)
DOI 
https://doi.org/10.12982/CMJS.2025.016
Citation 
Paopun Y., Thanomchat P. and Kronburee N., Anatomical Characteristics of Leaf and Petiole and Presence of Calcium Oxalate Crystals in Giant Elephant Ear (Colocasia gigantea (Blume) Hook. f.), Chiang Mai Journal of Science, 2025; 52(2): e2025016. DOI 10.12982/CMJS.2025.016.
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Author:Achanai Buasri, Nattawut Chaiyut and Chaiwut Nakweang
Vol.38 No.4 (OCTOBER 2011) View: 668 Download:307
Almost Primal Ideals in Commutative Rings
page: 161 - 165
Author:Ahmad Y. Darani
Vol.38 No.2 (APRIL 2011) View: 701 Download:206
Electrodeposition of Nickel Sulfide Thin Films Using Triethanolamine as a Complexing Agent
page: 131 - 137
Author:Anuar Kassim*, Zulkarnain Zainal, Saravanan Nagalingam, Dzulkefly Kuang and Nor Hamizi Sharafaddin
Vol.31 No.2 May 2004 View: 679 Download:186
Performance of Giant Freshwater Prawn (Macrobrachium rosenbergii de Man) Reared in Earthen Ponds Beneath Plastic Film Shelters
page: 89 - 96
Author:Niwooti Whangchai, Thepparath Ungsethaphand, Chanagun Chitmanat, Kriangsak Mengumphan and Supattra
Vol.34 No.1 (JANUARY 2007) View: 660 Download:242
FESEM Analysis of BPSG Films After Reflow
page: 35 - 46
Author:Uda Hashim, Nik H.N. Hamat, and Ramzan M. Ayab
Vol.34 No.1 (JANUARY 2007) View: 667 Download:266
Analysis of Intact Glucosinolates in Thai Broccoli Seeds
page: 223 - 230
Author:Sarunya Chuanphongpanich*[a], Duang Buddhasukh [b], Pichai Pirakitikulr [b] and Sukon Phanichphant
Vol.33 No.2 (MAY 2006) View: 694 Download:262
Antioxidant Capacity of Broccoli Seeds Grown in Thailand
page: 117 - 122
Author:Sarunya Chuanphongpanich* [a], Maitree Suttajit [b], Sukon Phanichphant [c Duang Buddhasukh [c]
Vol.33 No.1 (JANUARY 2006) View: 701 Download:204
Stanol Synthesis from Palm Oil Distillate
page: 109 - 116
Author:Sarunya Chuanphongpanich* [a], Nipon T uwanon [a], Duang Buddhasukh [b], Pichai Pirakitik
Vol.33 No.1 (JANUARY 2006) View: 708 Download:212
Pressure-Temperature Estimates of the Metamorphosed Sedimentary Rocks on the Eastern Side of Khao Phai, Immediate West of Ban Choeng Chai, Wang Pong, Phetchabun Province, Thailand
page: 283 - 293
Author:Yuenyong Panjasawatwong, Boontarika Srithai and Udomporn Wipakul
Vol.35 No.2 (MAY 2008) View: 700 Download:211
Thermoelectric P Proper roper roperties ties of Antimony T Telluride elluride Thin Films ilms Deposited using R R..F F. . Magnetron Sputtering
page: 459 - 464
Author:Kandasamy andasamy andasamy, , S S*., ., P Pachoud, achoud, D., Holland, A., K Kalantar alantar alan
Vol.32 No.3 (SEPTEMBER 2005) View: 657 Download:275
Urbach Energy of Hexagonal ZnO and Mg 0.05 Zn 0.95 O Thin Film Grown by RF Sputtering
page: 453 - 458
Author:Sornchai T anunchai, Sripen T owta, Nik orn Mangk orntong, P ongsri Mangk orntong and Supab
Vol.32 No.3 (SEPTEMBER 2005) View: 660 Download:255
Dynamic Pyroelectric Properties of La-Doped PbTiO 3 Thin F ilms with V arious L a Concentrations
page: 343 - 349
Author:Yung Sup Y oon
Vol.32 No.3 (SEPTEMBER 2005) View: 641 Download:218
Effect of Deposition Time Towards the Properties of Nickel Sulfide Thin Films Prepared in the Presence of Sodium Tartrate as a Complexing Agent
page: 121 - 126
Author:Anuar Kassim* [a], Zulkarnain Zainal [a], Saravanan Nagalingam [b] and Zuriyatina Abdullah [a]
Vol.32 No.2 (MAY 2005) View: 677 Download:224
Synthesis of Cocoa Butter Equivalent from Palm Oil by Carica papaya Lipase-Catalyzed Interesterification
page: 359 - 368
Author:Porntippa Pinyaphong, and Suree Phutrakul
Vol.36 No.3 (SEPTEMBER 2009) View: 1,144 Download:233
Methods for Modeling Incidence Rates with Application to Pneumonia Among Children in Surat Thani Province, Thailand
page: 29 - 38
Author:Noodchanath Kongchouy, Chamnein Choonpradub, and Metta Kuning
Vol.37 No.1 (JANUARY 2010) View: 659 Download:202
Co-Semisimple Modules and Multiplication Modules
page: 31 - 33
Author:Phannika Leksing and Jintana Sanwong*
Vol.29 No.1 (APRIL 2002) View: 681 Download:234
Sintering Behaviour of Lanthanum Magnesium Niobate Ceramics
page: 125 - 130
Author:Supon Ananta
Vol.28 No.2 (DECEMBER 2001) View: 649 Download:219
Retention Behavior of Aromatic Amines with Some Ionic Liquids Mobile Phase in Semi-micro HPLC
page: 384 - 396
Author:Yuppadee Nusai, Hitoshi Koizumi, Masaki Tachibana, Kazue Tani, and Nobutoshi Kiba
Vol.37 No.3 (SEPTEMBER 2010) View: 739 Download:222



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