This dataset contains the digitized treatments in Plazi based on the original journal article Khanal, Madhusudhan, Ari, Veeresh Huchappa, Lendo, Pakgam Ngulom, Singpho, Jaseng, Sarkar, Shuvadip, Kumar, Devendra, Kumar, Pankaj (2025): Phalaenopsis quadridentata (Orchidaceae: Epidendroideae), a new orchid species from Arunachal Pradesh, India. Phytotaxa 704 (2): 196-202, DOI: 10.11646/phytotaxa.704.2.7, URL: https://doi.org/10.11646/phytotaxa.704.2.7
Abstract
Phalaenopsis quadridentata is described as a new species from Arunachal Pradesh, India. Morphologically, this species looks similar to, Phalaenopsis mirabilis and Phalaenopsis putaoensis. However, the new species is a leafy plant bearing up to 4 flowers; sepals and petals bent backwards; labellum almost cochleate with ovate to elliptic midlobe, midrib not prominent, margin entire and ovate apex; lateral lobes of the labellum triangular, raised and arched above convergently with tips touching each other; 4 tooth-like triangular appendages at the junction of labellum and column, conical spur with densely pubescent inner surface and anther cap that is ovoid, entire, rounded. Whereas, P. mirabilis is a leafy plant bearing more than 5 flowers; sepals and petals bend forwards; labellum midlobe diamond-shaped, non-cochleate, midrib prominent and raised along its length, margin undulate and acute apex; lateral lobes truncate, erect parallelly; a high-raising linear appendage with a pointed triangular tip at the junction of labellum and column, deeply saccate spur without any hairs or ornamentation at the inner surface and anther cap ovoid with three triangular teeth at apex. Phalaenopsis putaoensis is a leafless plant bearing more than 5 flowers on one inflorescence; sepals and petals erect and spreading, labellum midlobe rhomboid and yellowish white; lacking spur; 2 raised calli from the base till apex; 2 minute slender, antenna-like appendages at the junction of labellum and column. A detailed taxonomic description, photos and notes on phenology, habitat and conservation assessment have been provided.
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