<i>Thottea adichilthottiana</i>(Aristolochiaceae), a new species from Ernakulam, Western Ghats, India

Sunil, C. N.; Kumar, Vannaratta Veettil Naveen

doi:10.1080/00837792.2014.951205

Cited by 2 publications

(3 citation statements)

References 2 publications

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“…Bifurcate stylar lobes are a rare occurrence in the genus Thottea (7,9,11) and these bifurcations in later stages of development may make the numbers fluctuating. In the present study, trifurcate stylar lobes were also noticed.…”

Section: Discussionmentioning

confidence: 99%

“…is a medicinal under-shrub belonging to the family Aristolochiaceae, represented by about 45 species throughout the world, distributed across Asia (6). In India, the genus is represented by 14 species, of which ten (T. duchartrei, T. idukkiana, T. ponmudiana, T. sivarajanii, T. adichilthottiana, T. dalzellii, T. abrahamii, T. barberi, T. dinghoui and T. sasidharaniana) are endemic to the Peninsular India, three (T. celebica, T. paucifida and T. tomentosa) are endemic to the Andaman and Nicobar islands and one (T. siliquosa) is distributed in the peninsular India and Sri Lanka (7)(8)(9)(10)(11). A large number of taxonomically significant studies were conducted on different species of Thottea in India.…”

Section: Introductionmentioning

confidence: 99%

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Gynostemium morphology and floral biology of Thottea duchartrei Sivar., A.Babu & Balach. (Aristolochiaceae), an endemic species from Western Ghats, India

2021

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Gynostemium is a putative floral structure formed by the fusion of the male and female reproductive parts (stamens and carpels) through a process during its development called synorganization. Most of the Indian species of Thottea Rottb. have a prominent gynostemium in their floral architecture, with varying degrees of adnation and complexity. Even though the gynostemium is a significant taxonomic marker for the inter-specific systematics in Thottea, the scepticism and arguments on deciphering its morphology and functional parameters, including the existence of staminodes, makes it imperative to be examined in detail. The present study is the first attempt in this line which aims to explore the morphological characters of gynostemium and reproductive biology of Thottea duchartrei Sivar., A.Babu and Balach., an endemic species in the Western Ghats. Stereo zoom microscopy, SEM and reproductive biological studies were conducted providing special emphasis to the gynostemium. Detailed analysis revealed the structural and functional diversity of gynostemium with regard to its components. The study also helped to recognize the columnar outgrowths on the gynostemium as staminodes. In total, the present study helps to solve the confusions regarding the functional identity of the gynostemium T. duchartrei with regard to its morphology.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Gynostemium morphology and floral biology of Thottea duchartrei Sivar., A.Babu & Balach. (Aristolochiaceae), an endemic species from Western Ghats, India

2021

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“…1), a specimen of an unknown species of Thottea was collected. After a careful examination referring to taxonomic literature (Hou 1981, Sivarajan 1985, Phuphathanaphong 1987, Hô 1999, Kumar et al 2000, Huang et al 2003, Huyen 2005, Phan et al 2009, Murugan 2011, Yao 2013, 2015, Sunil & Vannaratta 2014, Mustaqim & Putra 2020 and digital specimen images of HN and available on the online resources (e.g. JSTOR Global Plants https://plants.jstor.org), we are convinced that it is a new species and here we describe Thottea aroangensis T.A.…”

Section: Introductionmentioning

confidence: 85%

Thottea aroangensis, a new species of Aristolochiaceae from central Vietnam

et al. 2021

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Thottea aroangensis T.A. Le, D. Dien & Tagane (Aristolochiaceae) is described based on the specimen collected from the A Roang commune, A Luoi district, Thua Thien Hue province, central Vietnam. This species is characterized by subshrub habit 70–90 cm tall, inflorescence at base of stem close to ground level, campanulate and obscurely lobed perianth ca. 2.6 cm long, inside of perianth tube with creamy white patches, and 20 stamens in 2 whorls, by which combination it is clearly distinguished from the other species of Thottea in Vietnam and its surrounding countries. Morphological descriptions, photographs, a distribution map, vernacular name, and preliminary conservation status are provided for T. aroangensis.

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Thottea adichilthottiana(Aristolochiaceae), a new species from Ernakulam, Western Ghats, India

Cited by 2 publications

References 2 publications

Gynostemium morphology and floral biology of Thottea duchartrei Sivar., A.Babu & Balach. (Aristolochiaceae), an endemic species from Western Ghats, India

Gynostemium morphology and floral biology of Thottea duchartrei Sivar., A.Babu & Balach. (Aristolochiaceae), an endemic species from Western Ghats, India

Thottea aroangensis, a new species of Aristolochiaceae from central Vietnam

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