Podochilus warnagalensis (Orchidaceae), a new species from Sri Lanka

Wijewardana, Ishara H.; Priyadarshana, Tharaka Sudesh; Arangala, Nandun S.; Atthanagoda, Anusha G.; Samarakoon, Rakitha T.B.; Kumar, Pankaj

doi:10.11646/phytotaxa.266.2.10

Cited by 1 publication

(2 citation statements)

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“…The newly identified Podochilus warnagalensis Wijew., Priyad., Arang., Atthan., Samar. & Kumar (Wijewardana et al, 2016) and Oberonia meegaskumburae Priyad., Wijew. & Kumar (Priyadarshana et al, 2017) are restricted to this zone.…”

Section: Wet Highlandsmentioning

confidence: 99%

“…On the other hand, Podochilus warnagalensis grows on lichen and moss covered granite rocks and boulders in streams. The plants, loosely attached to the substrate, are exposed to almost 100% sunlight (Wijewardana et al, 2016). These findings are highlighted to conduct proper ecological studies to find out the factors effecting the restricted distribution of threatened species.…”

Section: Habitat and Ecological Studiesmentioning

confidence: 99%

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Research priorities and future directions in conservation of wild orchids in Sri Lanka: a review

2020

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Together with Western Ghats, Sri Lanka is a biodiversity hotspot amongst the 35 regions known worldwide. Considering the Sri Lankan orchids, 70.6% of the orchid species, including 84% of the endemics, are categorised as threatened. The distribution of the family Orchidaceae is mostly correlated with the distribution pattern of the main bioclimatic zones which is governed by the amount and intensity of rainfall and altitude. Habitat deterioration and degradation, clearing of vegetation, intentional forest fires and spread of invasive alien species are significant threats to native species. Illegally collection and exporting of indigenous species has been another alarming issue in the past decades. Protection of native species, increased public awareness, enforcement of legislation and introduction of new propagation techniques would certainly bring a beneficial effect to the native orchid flora. Conduct awareness programs, strengthen existing laws, and reviewing the legal framework related to the native orchid flora could be vital for future conservation. Apart from the identification of new species and their distribution, future research on understanding soil chemical and physical parameters of terrestrial habitats, plant association of terrestrial orchids, phenology patterns and interactions of pollinators, associations with mycorrhiza, effect of invasive alien species and impact of climate change are highlighted.

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Section: Wet Highlandsmentioning

confidence: 99%

Section: Habitat and Ecological Studiesmentioning

confidence: 99%