&lt;i&gt; Conamomum odorum &lt;/i&gt; , a new species of Zingiberaceae  from central Vietnam

Truong, Le Van; Dang, Tran Huu; Đạt, Nguyễn Quốc; Trung, Nguyen Tran Quoc; Gioi, Tran

doi:10.15625/2615-9023/v41n3.13671

Cited by 3 publications

(3 citation statements)

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“…The macro-morphological characters of C. vietnamense collected in Lam Dong province were similar to those described by Ly et al (2022). However, this species could be distinguished from other species by the features and shapes of the roots, flowers, and leaves as well as by the Conamomum taxonomic key of Truong et al (2019), Luu et al (2021), andLy et al (2022). The C. vietnamense stilt roots (>20 cm, above ground) were longer than other species (i.e., C. pierreanum (<20 cm), C. rubidum and C. odorum (with stilt roots absent).…”

Section: Taxonomical Notessupporting

confidence: 68%

“…Lý & T.S. Hoang) of were reported in Vietnam (Truong et al 2019;Luu et al 2021;Ly et al 2022;POWO 2023). The genus Conamomum has always posed challenges for classification based on morphological features because detailed morphological studies show that C. vietnamense, an endemic species from Vietnam, is reported to be most similar to C. odorum and C. rubidum (Ly et al 2022).…”

Section: Introductionmentioning

confidence: 93%

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Morphological and anatomical studies of Conamomum vietnamense N.S. Lý & T.S. Hoang: An endemic plant from Vietnam

NHI,

CHEN,

LAM

et al. 2023

Biodiversitas

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Abstract. Nhi NTT, Chen TV, Lam DNX, Nguyen DD, Dinh QD, Linh NHK. 2023. Morphological and anatomical studies of Conamomum vietnamense N.S. Lý & T.S. Hoang: An endemic plant from Vietnam. Biodiversitas 24: 5022-5034. Conamomum vietnamense N.S. Lý & T.S. Hoang (Zingiberaceae) is an endemic plant from Vietnam. Information on the anatomical structure of leaves, roots, rhizomes, and the powder characteristics of C. vietnamense has not been reported. This study aimed to combine macro- and micro-morphological analysis to identify C. vietnamense accurately. Twenty fresh plants were randomly collected from the wild habitats in Vietnam were used for the study. Macromorphological characteristics were observed and compared to earlier research. Iodine green-carmine staining was then used to histologically examine the leaves, roots, and rhizomes. The powdered rhizome and leaf features were described via a microscope. Macromorphologically, C. vietnamense is characterized by its stout stilt roots, short petioles, oblong-lanceolate leaf blades with lightly plicate, inflorescences with obovoid, and narrowly ovate bracts, hairy underside bracteoles, bilobed calyx, yellow flowers with broadly obovate, glabrous, trilobed labellum. Micromorphologically, the anatomical features of leaves, roots, and rhizomes have similarities with those of Zingiberaceae species. The tetracytic stomata was observed on both leaf surfaces. The stomatal indexes on the abaxial and adaxial surfaces of the leaves are 8.81±0.55% and 0.1±0.06%, respectively. Calcium oxalate crystals were found in the leaf. Starch grains and reticulate xylem vessels were present only in rhizome powder. These findings are important characteristics for identifying C. vietnamense.

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Section: Taxonomical Notessupporting

confidence: 68%

Section: Introductionmentioning

confidence: 93%

Morphological and anatomical studies of Conamomum vietnamense N.S. Lý & T.S. Hoang: An endemic plant from Vietnam

NHI,

CHEN,

LAM

et al. 2023

Biodiversitas

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“…10 species and distributes mainly in primary evergreen lowland and montane forests from Indochina to the Malay Peninsula, Singapore, Borneo, and Sumatra [1,2]. Of these, two species (Conamomum rubidium and C. odorum) were reported for the flora of Vietnam [1,3,4].…”

Section: Introduction *mentioning

confidence: 99%

Conamomum Pierreanum (Gagnep.) Skornick. & A. D. Poulsen (Zingiberaceae), a New Record for the Flora of Vietnam

Anh¹,

Huong²,

Truong³

et al. 2021

NST

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Conamomum pierreanum (Gagnep.) Skornick. & A. D. Poulsen, (Zingiberaceae), a previously known species from Thailand and Cambodia, is here reported, as a new record for Vietnam. It is similar to C. rubidum and C. odorum but differs in having a present stilt root; a shorter petiole, 2-3 cm; a larger leaf blade, oblong, 30-50 × 5-8 cm, glabrous; a globose to ovoid inflorescence, arising near the base of rhizome; tomentose outer surface of bract; a 3-toothed bracteole, outer surface hairy; and a smaller filament, yellowish and glabrous. The detailed morphological description, distribution and ecology information, conservation status and a colour plate of this species are given.

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Conarubins A–D: Four Monoterpene–Chalcone Conjugates from Conamomum rubidum and Their Anti-inflammatory and Cytotoxic Activities

Hoang,

Vo,

Tran

et al. 2023

J. Org. Chem.

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Four novel compounds, conarubins A–D (1–4), were isolated from the whole plants of Conamomum rubidum collected in Vietnam. Their structures were elucidated by extensive spectroscopic analyses and by quantum chemical calculations of NMR and ECD. Compounds 1 and 2 were the first examples of monoterpene–monoterpene–chalcone conjugates in nature, whereas compound 4 was an unprecedented monoterpene-substituted chalcone containing a 3,4,5-trioxygenated cyclohexa-2,5-diene-1-one ring. The anti-inflammatory and cytotoxic activities of all isolates were investigated.

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<i> Conamomum odorum </i> , a new species of Zingiberaceae from central Vietnam

Cited by 3 publications

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Morphological and anatomical studies of Conamomum vietnamense N.S. Lý & T.S. Hoang: An endemic plant from Vietnam

Morphological and anatomical studies of Conamomum vietnamense N.S. Lý & T.S. Hoang: An endemic plant from Vietnam

Conamomum Pierreanum (Gagnep.) Skornick. & A. D. Poulsen (Zingiberaceae), a New Record for the Flora of Vietnam

Conarubins A–D: Four Monoterpene–Chalcone Conjugates from Conamomum rubidum and Their Anti-inflammatory and Cytotoxic Activities

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