taxonID	type	description	language	source
487187F1B569C52E97F69055FC89B63E.taxon	materials_examined	Type: — CHINA. Xizang Autonomous Region, Linzhi City, Motuo County, alpine conifer forests of Abies, elev. 3600 m, 9 August 2023, Xiaohua Jin, Jianwu Li, Dongliang Lin, Chao Ye & Haixia Wen 41207 (holotype PE!).	en	Lin, Dongliang, Zhang, Liyue, Ye, Chao, Li, Jianwu, Jin, Xiaohua (2024): Two new species of Platanthera (Orchidaceae, Orchidoideae) from Xizang, China. Phytotaxa 646 (2): 203-212, DOI: 10.11646/phytotaxa.646.2.9, URL: http://dx.doi.org/10.11646/phytotaxa.646.2.9
487187F1B569C52E97F69055FC89B63E.taxon	diagnosis	Diagnosis: — Platanthera linzhiensis is similar to P. uniformis, but differs from it by having a yellowish green lip, yellow spur nearly as long as ovary, connective obtuse- truncate and not protruding from anther, column lateral appendages ovate to oblong and slightly shorter than anther.	en	Lin, Dongliang, Zhang, Liyue, Ye, Chao, Li, Jianwu, Jin, Xiaohua (2024): Two new species of Platanthera (Orchidaceae, Orchidoideae) from Xizang, China. Phytotaxa 646 (2): 203-212, DOI: 10.11646/phytotaxa.646.2.9, URL: http://dx.doi.org/10.11646/phytotaxa.646.2.9
487187F1B569C52E97F69055FC89B63E.taxon	description	Description: — Terrestrial herb, plants 10 cm tall. Rootstocks cylindric, short and stout, ca. 3 mm in diameter. Stem erect, terete, with 2 tubular membranous sheaths at the base. Leaf 1, basal at stem suborbicular, ca. 1.7 × 1.4 cm, basally contracted into a petiole-like amplexicaul sheath, apex obtuse-rounded, adaxially green, with bottle-green reticulate veins, abaxially pale green, midvein prominent; foliaceous sterile bracts 3, long elliptic, 0.7 – 1.0 × 0.1 – 0.3 cm, apex acute. Inflorescence densely 14 - flowered, secund; rachis 4 cm long; floral bracts oblong-ovate, longer than ovary, ca. 7 × 2.5 mm, apex acute. Flowers greenish white; ovary twisted, slightly arching, fusiform, short and stout, ca. 5 mm long including pedicel. Dorsal sepal strap-like, ca. 5 × 1 mm, 1 - veined, abaxial slightly yellowish-green, apex obtuse; lateral sepals lanceolate, ca. 4 × 1 mm, 1 - veined, apex obtuse, abaxial slightly yellowish-green, lateral margins slightly erect. Petals ovate, ca. 5 × 2 mm, slightly green near base, 1 - veined, apex obtuse, slightly reflexed; lip yellowish green, lanceolate, ca. 5 × 1.5 mm, decurved, green dilated at base, apex obtuse; spur urn-shaped, yellow, nearly as long as ovary, ca. 4 × 2 mm, apex obtuse-rounded, contracted at neck. Column short, ca. 2 mm long; anther erect, 2 - locular, obovate, ca. 1 mm long, parallel; connective distinct, located at anther apex, apex obtuse-rounded, not protruding from anther; rostellum very small; lateral appendages ovate to oblong; pollinia obovate, ca. 0.8 × 0.4 mm, with short caudicle; viscidia elliptic, ca. 0.8 × 0.2 mm; stigma 1, strongly raised below the rostellum.	en	Lin, Dongliang, Zhang, Liyue, Ye, Chao, Li, Jianwu, Jin, Xiaohua (2024): Two new species of Platanthera (Orchidaceae, Orchidoideae) from Xizang, China. Phytotaxa 646 (2): 203-212, DOI: 10.11646/phytotaxa.646.2.9, URL: http://dx.doi.org/10.11646/phytotaxa.646.2.9
487187F1B569C52E97F69055FC89B63E.taxon	etymology	Etymology: — The name “ linzhiensis ” refers to the type locality of the new species, Xizang, China.	en	Lin, Dongliang, Zhang, Liyue, Ye, Chao, Li, Jianwu, Jin, Xiaohua (2024): Two new species of Platanthera (Orchidaceae, Orchidoideae) from Xizang, China. Phytotaxa 646 (2): 203-212, DOI: 10.11646/phytotaxa.646.2.9, URL: http://dx.doi.org/10.11646/phytotaxa.646.2.9
487187F1B569C52E97F69055FC89B63E.taxon	distribution	Distribution and habitat: — The new species is only distributed Motuo County Linzhi City, Xizang Autonomous Region, China, grows under the subtropical alpine conifer forests of Abies.	en	Lin, Dongliang, Zhang, Liyue, Ye, Chao, Li, Jianwu, Jin, Xiaohua (2024): Two new species of Platanthera (Orchidaceae, Orchidoideae) from Xizang, China. Phytotaxa 646 (2): 203-212, DOI: 10.11646/phytotaxa.646.2.9, URL: http://dx.doi.org/10.11646/phytotaxa.646.2.9
487187F1B569C52E97F69055FC89B63E.taxon	biology_ecology	Phenology: — Flowering from August to September.	en	Lin, Dongliang, Zhang, Liyue, Ye, Chao, Li, Jianwu, Jin, Xiaohua (2024): Two new species of Platanthera (Orchidaceae, Orchidoideae) from Xizang, China. Phytotaxa 646 (2): 203-212, DOI: 10.11646/phytotaxa.646.2.9, URL: http://dx.doi.org/10.11646/phytotaxa.646.2.9
487187F1B56BC52997F693A7FC89B53A.taxon	materials_examined	Type: — CHINA. Xizang Autonomous Region, Linzhi City, Motuo County, Beibeng Township, Deergong Village, humid alpine conifer forests, elev. 2800 m, 7 August 2023, Xiaohua Jin, Jianwu Li, Dongliang Lin, Chao Ye & Haixia Wen 41204 (holotype PE!).	en	Lin, Dongliang, Zhang, Liyue, Ye, Chao, Li, Jianwu, Jin, Xiaohua (2024): Two new species of Platanthera (Orchidaceae, Orchidoideae) from Xizang, China. Phytotaxa 646 (2): 203-212, DOI: 10.11646/phytotaxa.646.2.9, URL: http://dx.doi.org/10.11646/phytotaxa.646.2.9
487187F1B56BC52997F693A7FC89B53A.taxon	diagnosis	Diagnosis: — Morphologically, Platanthera deergongensis is similar to P. contigua, but differs from it by large plants, reflexed petals, white lip, connective obtuse to truncate and not protruding from the anther.	en	Lin, Dongliang, Zhang, Liyue, Ye, Chao, Li, Jianwu, Jin, Xiaohua (2024): Two new species of Platanthera (Orchidaceae, Orchidoideae) from Xizang, China. Phytotaxa 646 (2): 203-212, DOI: 10.11646/phytotaxa.646.2.9, URL: http://dx.doi.org/10.11646/phytotaxa.646.2.9
487187F1B56BC52997F693A7FC89B53A.taxon	description	Description: — Terrestrial to epiphytic plants, plants 10 – 35 cm tall. Rootstock cylindric, stout, ca. 4 mm in diameter. Stem erect, terete, with 2 tubular sheath at the base. Leaf 1, basal elliptic, ca. 9 × 5 cm, basally contracted into a petiole-like amplexicaul sheath, apex obtuse, adaxially green, with bottle-green reticulate veins, abaxially pale green, midvein prominent; foliaceous sterile bracts 3, lanceolate, 1.5 – 2.5 × 0.5 – 0.8 cm, apex acute. Inflorescence densely 30 - flowered, secund; rachis 5 – 13 cm long; floral bracts lanceolate, longer than ovary, 1.2 × 0.3 cm, apex acute. Flowers white; ovary twisted, slightly arching, fusiform, ca. 1 cm long including pedicel. Dorsal sepal ovate-lanceolate, ca. 6 × 2 mm, 1 - veined, lateral margins erect, base concave, apex obtuse; lateral sepals linear-lanceolate, ca. 5 × 1 mm, 1 - veined, apex obtuse, slightly reflexed. Petals ovate-lanceolate, ca. 4 × 1 mm, slightly falcate, 1 - veined, apex obtuse, reflexed; lip white, linear-oblong, ca. 5 × 1 mm, decurved, green dilated at base, apex obtuse; spur oblongcylindric, white, slightly arching, half ovary as long, ca. 4 × 2 mm, apex obtuse-rounded, contracted at neck. Column ca. 1.5 mm long; anther erect, 2 - locular, obovate, ca. 1 mm long, parallel; connective obtuse to truncate, not protruding from anther, not obviously; rostellum very small; lateral appendages ovate to oblong; pollinia obovate, ca. 0.3 × 0.2 mm, with short caudicle; viscidia elliptic, ca. 0.2 × 0.1 mm; stigma 1, reniform, raised below the rostellum.	en	Lin, Dongliang, Zhang, Liyue, Ye, Chao, Li, Jianwu, Jin, Xiaohua (2024): Two new species of Platanthera (Orchidaceae, Orchidoideae) from Xizang, China. Phytotaxa 646 (2): 203-212, DOI: 10.11646/phytotaxa.646.2.9, URL: http://dx.doi.org/10.11646/phytotaxa.646.2.9
487187F1B56BC52997F693A7FC89B53A.taxon	etymology	Etymology: — The name “ deergongensis ” refers to the type locality of the new species, Deergong village, Linzhi, Xizang, China.	en	Lin, Dongliang, Zhang, Liyue, Ye, Chao, Li, Jianwu, Jin, Xiaohua (2024): Two new species of Platanthera (Orchidaceae, Orchidoideae) from Xizang, China. Phytotaxa 646 (2): 203-212, DOI: 10.11646/phytotaxa.646.2.9, URL: http://dx.doi.org/10.11646/phytotaxa.646.2.9
487187F1B56BC52997F693A7FC89B53A.taxon	distribution	Distribution and habitat: — The new species is only distributed in Deergong Village, Beibeng Township, Motuo County, Linzhi City, Xizang Autonomous Region, China, terrestrial under humid alpine conifer forests.	en	Lin, Dongliang, Zhang, Liyue, Ye, Chao, Li, Jianwu, Jin, Xiaohua (2024): Two new species of Platanthera (Orchidaceae, Orchidoideae) from Xizang, China. Phytotaxa 646 (2): 203-212, DOI: 10.11646/phytotaxa.646.2.9, URL: http://dx.doi.org/10.11646/phytotaxa.646.2.9
487187F1B56BC52997F693A7FC89B53A.taxon	biology_ecology	Phenology: — Flowering from August to September.	en	Lin, Dongliang, Zhang, Liyue, Ye, Chao, Li, Jianwu, Jin, Xiaohua (2024): Two new species of Platanthera (Orchidaceae, Orchidoideae) from Xizang, China. Phytotaxa 646 (2): 203-212, DOI: 10.11646/phytotaxa.646.2.9, URL: http://dx.doi.org/10.11646/phytotaxa.646.2.9
