Two new <i> Orchidantha</i> species (<i>Lowiaceae</i>) from Borneo

Poulsen, A. D.; Leong‐Škorničková, Jana

doi:10.3767/blumea.2017.62.02.08

Cited by 6 publications

(7 citation statements)

References 7 publications

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“…Orchidantha species is endemic to Borneo (Poulsen & Leong-Škorničková 2017) and from 10 previously found species, only O.holttumii and O. megalantha are very closely related to O. sarawakensis. The size of both O. holttumii and O. megalantha were twice bigger than O. sarawakensis.…”

Section: Discussionmentioning

confidence: 88%

Orchidantha Sarawakensis Sp. Nov. (Zingiberales: Lowiaceae), a New Species Endemic to East Malaysia, Borneo

Syauqina¹,

Meekiong²,

Aimi-Syazana³

2019

JTFS

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Lowiaceae is one of the eight families in Zingiberales and comprises a single genus, Orchidantha. This genus is restricted to SouthEast Asia and poorly known among Zingiberales. Currently, there are 25 species including a new species from Sarikei, Sarawak, O. sarawakensis Syauqina & Meekiong which is described and illustrated in this paper. Orchidantha sarawakensis is compared with species described in SouthEast Asia and also species described in Borneo. The comparison shows that O. sarawakensis is closely related to O. megalantha Škorničk. & AD Poulsen and O. holttumii K Larsen. The features that delineate O. sarawakensis as a new species is that its labellum possesses a prominent extended midrib throughout the apex with spirallike structure, curved upwards and a Y-shaped secretion tissue called viscidium. A key of Orchidantha to all Malaysian species is presented.

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Section: Discussionmentioning

confidence: 88%

Orchidantha Sarawakensis Sp. Nov. (Zingiberales: Lowiaceae), a New Species Endemic to East Malaysia, Borneo

Syauqina¹,

Meekiong²,

Aimi-Syazana³

2019

JTFS

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“…The Kubah, Bako, and Santubong parks have invited pertinent people to promote the sustainable development, conservation and well-being of the natural environment (Teo et al, 2013). Various research in these parks had been carried out by the Sarawak Forestry, and educational and research institutions, to support conservation and sustainable development while highlighting the eco-education of Sarawak (Hanan, 2014;Lateef et al, 2015;Mohd Azlan et al, 2019;Poulsen & Leong-Škorničková, 2017;Zahidin et al, 2016).…”

Section: Study Sitementioning

confidence: 99%

“…The Kubah National Park was established in 1989 and opened to the public in 1995. The park has an outstanding variety of flora and fauna species and has one of the wildest selection of palms and orchids in Borneo (Pearce, 1992;Poulsen & Leong-Škorničková, 2017). It is situated 22 km north west of Kuching city centre and covers an area of 2,230 hectare which consists of heavy forest slopes and ridges of the Serapi range (Figure 1) (Boyce & Yeng, 2008).…”

Section: The Documentation Of Nepenthes In Kubah National Parkmentioning

confidence: 99%

Brief Documentation of Ecosystem in Kubah, Bako, and Santubong National Park, Sarawak

Bukhori

Rohaiza

Gintoron

et al. 2022

TUR

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The state of Sarawak is blessed with vast wilderness and thriving wildlife (Abu Bakar et al., 2016). The state has a flourishing biodiversity, ecology, and environment, packed with amazing national parks, which are world-renowned. The parks are home to lush tropical rainforests and peculiar wildlife, all of which can be found in natural parks such as Kubah, Bako, and Santubong National Park. This documentation was briefly notes biodiversity, ecology, and environment-related information in the exceptionally rich ecosystems of flora and fauna of these national parks.The documentation was aimed at observing and documenting the ecosystem in Kubah, Bako and Santubong National Parks to assess future needs for ecosystem and education for a sustainable future. The documentation is also targeted at creating awareness on ecosystem and education, inspiring sustainable development goals, studying the selected flora and fauna of the area, and boosting the academic, research, and development value. Multiple perspectives for biodiversity, ecology, and environment of the parks such as scientific, historical, geography, values, cultural, and sustainability (Tan et al., 2009) are significant in the forming of a valuable framework for sustainable development. The outcome of the observation comprised a basic discovery of the mangrove ecosystem, pitcher plant, plant-animal interaction, and invertebrates in the parks. These have enabled the short and basic research documentation from the park’s ecosystem as well as presentation where valuable findings were shared.

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“…The family was last revised by Holttum (1970), who recognized six species. Since then about 27 species have been described, mostly from Borneo (e.g., Larsen, 1993;Nagamasu and Sakai, 1999;Pedersen, 2001;Syauqina et al, 2016Syauqina et al, , 2019Poulsen and Leong-Škorničková, 2017;Leong-Škorničková et al, 2021), but also from Peninsular Malaysia (Leong-Škorničková, 2014), Thailand (Jenjittikul and Larsen, 2003), Vietnam (Tr ần and Leong-Škorničková, 2010;Leong-Škorničková et al, 2014;Tr ần et al, 2020) and China (Fang and Qin, 1996;Zou et al, 2017Zou et al, , 2019. Lowiaceae collections are sparse in herbaria, and are likely severely under-collected as the plants are rare and often sterile.…”

Section: Introductionmentioning

confidence: 99%

Whence Came These Plants Most Foul? Phylogenomics and Biogeography of Lowiaceae (Zingiberales)

et al. 2022

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Lowiaceae (order Zingiberales) is a small family of forest herbs in Southeast Asia. All species belong to the genus Orchidantha. They are known for possessing orchid-like flowers that are smelly, apparently mimicking dead animals, feces, or mushrooms. Little is known of the biogeographic patterns or character evolution of the family. We sampled the family extensively, including many recently discovered species, and reconstructed the phylogeny of the family using HybSeq with Lowiaceae-specific RNA baits. Our phylogenetic reconstructions confirm that the family is most closely related to Strelitziaceae, and that species with dark, foul-smelling flowers form a grade in which a clade of species with paler flowers are embedded. The pale-flowered species produce a distinct odor, resembling edible mushrooms. Apart from a single species, the species from Borneo form a clade, and the same is true for Indochinese species. The remaining species form a more widespread clade. A biogeographic analysis shows that the distribution of Lowiaceae can explained by vicariance and gradual dispersal from a shared ancestral range of Borneo and Indochina. There is no evidence of long-distance dispersal, only a later extension in distribution to Peninsular Malaysia which coincides with the presence of a land bridge. Different directions of spread are possible, but none require long-distance dispersal. The results are consistent with the geological history of Southeast Asia. In particular, the relatively early isolation between Indochina and Borneo could be explained by the presence of a sea barrier that developed 10–15 MYA, and the continuous movement of plant species between Borneo and Peninsular Malaysia could be explained by a land bridge that existed until c. 5 MYA. The lack of an extensive land bridge with a suitable habitat may explain the absence of this genus from Sumatra and other Indonesian islands aside from Borneo. The strict reliance on a continuous habitat for the range expansion of Lowiaceae can be explained by their fruits and seeds, which lack obvious adaptations for long-distance dispersal. The inability to disperse to new areas may also explain why the extant species have very restricted distributions.

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Two new Orchidantha species (Lowiaceae) from Borneo

Cited by 6 publications

References 7 publications

Orchidantha Sarawakensis Sp. Nov. (Zingiberales: Lowiaceae), a New Species Endemic to East Malaysia, Borneo

Orchidantha Sarawakensis Sp. Nov. (Zingiberales: Lowiaceae), a New Species Endemic to East Malaysia, Borneo

Brief Documentation of Ecosystem in Kubah, Bako, and Santubong National Park, Sarawak

Whence Came These Plants Most Foul? Phylogenomics and Biogeography of Lowiaceae (Zingiberales)

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