taxonID	type	description	language	source
EF98AB20DF14505B922050381FC8848E.taxon	description	Figs 1, 2	en	Inuthai, Janejaree, Chantanaorrapint, Sahut, Poopath, Manop, Tetsana, Naiyana, Kiewbang, Wittawat, Suddee, Somran (2021): Corybas papillatus (Orchidaceae), a new orchid species from peninsular Thailand. PhytoKeys 183: 1-7, DOI: http://dx.doi.org/10.3897/phytokeys.183.71167, URL: http://dx.doi.org/10.3897/phytokeys.183.71167
EF98AB20DF14505B922050381FC8848E.taxon	diagnosis	Diagnosis. Similar to Corybas villosus J. Dransf. & Gord. Sm., but differs in the absence of dorsal sepal keel and the lateral sepals adnate laterally at the base to the connate petals.	en	Inuthai, Janejaree, Chantanaorrapint, Sahut, Poopath, Manop, Tetsana, Naiyana, Kiewbang, Wittawat, Suddee, Somran (2021): Corybas papillatus (Orchidaceae), a new orchid species from peninsular Thailand. PhytoKeys 183: 1-7, DOI: http://dx.doi.org/10.3897/phytokeys.183.71167, URL: http://dx.doi.org/10.3897/phytokeys.183.71167
EF98AB20DF14505B922050381FC8848E.taxon	materials_examined	Type. Thailand. Nakhon Si Thammarat province, Khao Luang National Park, near summit of Khao Luang Mt., 08 ° 29 ' 36.8 " N, 099 ° 43 ' 38.9 " E, ca. 1,700 m alt., 4 July 2018, M. Poopath, N. Tetsana, W. Kiewbang, C. Hemrat & S. Jirakorn 2201 (holotype BKF!, spirit material). Small terrestrial herb with underground tubers. Tubers globose or ovoid, fleshy, 3 - 4 mm diam. Stem erect, whitish-green, 5 - 12 mm long, 1 - 1.5 mm diam., with a basal sheath; stolon whitish, hairy, up to 2 cm long, 1 - 1.2 mm diam. Foliage leaf sessile, cordate, long acuminate at apex, glabrous, 6 - 10 mm long, 6 - 8 mm wide at the widest point, flat, only slightly undulate along margin, pale green with paler veins, the veins scarcely conspicuous. Inflorescence one-flowered, terminal; bract pale green, lanceolate-triangular, long acuminate, 5 - 6 mm long, recurved. Flower dark purple. Dorsal sepal purplish, erect below, then strongly curved above, hooded and clasping labellum throughout its length, spathulate, ca. 15 mm long, 8 - 10 mm wide, rounded at apex, apical margins denticulate, abaxial (dorsal) surface bearing irregular papillae in the upper half. Lateral sepals greenish-white, linear-triangular to antenna-like, ca. 25 mm long, laterally adnate to the petals in the basal ca. 1 mm. Petals greenish-white, connate at the base for ca. 1 mm, free above, similar to lateral sepals but shorter, ca. 22 mm long. Labellum differentiated into 2 parts, erect in basal half and strongly reflexed above, ca. 17 mm long in total length; the basal half with margins strongly inrolled throughout, and forming a tube with the dorsal sepal, ca. 7 mm long; the upper half reflexed and expanded, orbicular, ca. 10 mm diam., margin erose, reddish-purple excepted for a white zone just below the margins; mouth of throat very deeply V-shaped; adaxial surface bearing short hairs; spurs 2, divergent, conical, ca. 3 mm long. Column very short, ca. 1.5 mm long; stigma rounded, ca. 0.5 mm diam.; anther erect, smooth; pollinia not seen. Ovary green, glabrous, ca. 2 mm long. Capsule (immature) erect, ellipsoid or fusiform, 5 - 7 mm long, 2.5 - 3 mm diam. Seed not seen.	en	Inuthai, Janejaree, Chantanaorrapint, Sahut, Poopath, Manop, Tetsana, Naiyana, Kiewbang, Wittawat, Suddee, Somran (2021): Corybas papillatus (Orchidaceae), a new orchid species from peninsular Thailand. PhytoKeys 183: 1-7, DOI: http://dx.doi.org/10.3897/phytokeys.183.71167, URL: http://dx.doi.org/10.3897/phytokeys.183.71167
EF98AB20DF14505B922050381FC8848E.taxon	distribution	Distribution. Corybas papillatus is only known from the type locality (Fig. 3), however, it may also occur in other areas in peninsular Thailand with similar vegetation type.	en	Inuthai, Janejaree, Chantanaorrapint, Sahut, Poopath, Manop, Tetsana, Naiyana, Kiewbang, Wittawat, Suddee, Somran (2021): Corybas papillatus (Orchidaceae), a new orchid species from peninsular Thailand. PhytoKeys 183: 1-7, DOI: http://dx.doi.org/10.3897/phytokeys.183.71167, URL: http://dx.doi.org/10.3897/phytokeys.183.71167
EF98AB20DF14505B922050381FC8848E.taxon	etymology	Etymology. The specific epithet ' Corybas papillatus ' alludes to occurrence of irregular papillae in upper portion of abaxial (dorsal) surface of dorsal sepal.	en	Inuthai, Janejaree, Chantanaorrapint, Sahut, Poopath, Manop, Tetsana, Naiyana, Kiewbang, Wittawat, Suddee, Somran (2021): Corybas papillatus (Orchidaceae), a new orchid species from peninsular Thailand. PhytoKeys 183: 1-7, DOI: http://dx.doi.org/10.3897/phytokeys.183.71167, URL: http://dx.doi.org/10.3897/phytokeys.183.71167
