Morpho-Anatomical Study And Botanical Identification of Pogostemon auricularius (L.) Hassk. (Lamiaceae)

Pogostemon Desf. includes a wide range of taxa found in subtropical and tropical areas. Few works, however, have studied microanatomical characteristics of Pogostemon species and as yet identified features of Pogostemon auricularius (L.) Hassk. Thus, in this paper, we examined the taxonomic implicat...

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Bibliographic Details
Published in:Science progress (1916) 2022-04, Vol.105 (2), p.368504221094156-368504221094156
Main Authors: Thi Tran, Linh Thuy, Nguyen, Tan Khanh, Nguyen, Hoai Thi, Nguyen, Phu Phong, Thi Dang, Nhi Yen, Tran, Manh Hung, Tran Pham, Vinh Phu, Le, Anh Tuan
Format: Article
Language:English
Subjects:
Anatomy
Calcium
Calcium Oxalate
Cell size
Crystals
Flowers
Lamiaceae - anatomy & histology
Leaves
Light microscopy
Microscopy, Electron, Scanning
Morphology
Optical microscopy
Original Manuscript
Oxalic acid
Physical characteristics
Plant Epidermis - anatomy & histology
Pogostemon
Stems
Stomata
Taxa
Taxonomic significance
Taxonomy
Trichomes
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Summary:Pogostemon Desf. includes a wide range of taxa found in subtropical and tropical areas. Few works, however, have studied microanatomical characteristics of Pogostemon species and as yet identified features of Pogostemon auricularius (L.) Hassk. Thus, in this paper, we examined the taxonomic implications of root, stem and leaf morphology for species P. auricularius collected from Quang Tri Province. Light microscopy was mainly used in our study. Qualitative characters like stem quadrangular, hirsute; leaves opposite, ovate, margin serrulate; calyx campanulate; corolla small with separate equal lobes have been found in P. auricularius. Epidermal anatomy on the aerial parts of the species like epidermal cell shape, anticlinal walls, trichomes types, stomata types and calcium oxalate crystals types were examined as well. Quantitative characters like the length and width of leaf blade and inflorescence; the size of oil droplet, stomata and calcium oxalate crystals measured provided taxonomic significance. Based on identifying morphological characteristics of P. auricularius, we aimed to contribute to the taxonomic investigation into the genus Pogostemon and give relative morphological and microanatomical features compared with other taxa.
ISSN:0036-8504
2047-7163
DOI:10.1177/00368504221094156