identifier	taxonID	type	CVterm	format	language	title	description	additionalInformationURL	UsageTerms	rights	Owner	contributor	creator	bibliographicCitation
DB34B140DE335C86A0858132D26A1EB9.text	DB34B140DE335C86A0858132D26A1EB9.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Lithocarpus bidoupensis Ngoc & Tagane 2021	<div><p>Lithocarpus bidoupensis Ngoc &amp; Tagane sp. nov.</p><p>Fig. 3</p><p>Type.</p><p>Vietnam. Lam Dong Province: <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=108.53344&amp;materialsCitation.latitude=12.164708" title="Search Plazi for locations around (long 108.53344/lat 12.164708)">Bidoup-Nui Ba National Park</a>, in hill evergreen forest dominated by the species of  Fagaceae, 1698 m elev., 12°09'52.95"N, 108°32'00.38"E, 24 February 2016, S. Tagane, H. Toyama, H. Nagamasu, A. Naiki, V.S. Dang, N.V. Ngoc, J. Wai V4320 [fr.] (holotype DLU!, isotypes FU!, HN!, KYO!, VNM!)  .</p><p>Diagnosis.</p><p>Lithocarpus bidoupensis is most similar to  L. blaoensis but differs in its shorter leaf blades, petioles and infructescences, and bigger cupules and nuts. The new species is also similar to  L. licentii but distinguished from  L. licentii by its shorter petioles, fewer secondary veins (10-12 pairs in  L. bidoupensis vs. 12-15 pairs in  L. licentii), much shorter infructescences, clustered cupules (vs. solitary), cupule covering less than 1/3 of the nut (vs. 1/2-2/3 of the nut), and concave basal scar of the nut (vs. convex) (Table 2).</p><p>Description.</p><p>Evergreen tree, up to 27 m tall. Branches yellowish green when young, turning greyish brown when old, glabrous, sparsely lenticellate. Terminal and lateral buds ovoid, up to 7 mm long. Leaves alternate; petiole 0.3-0.4 cm long, glabrous; blade elliptic to oblong-elliptic, obovate-elliptic, 6-11.6  × 2.8-5.3 cm, coriaceous, glabrous, glossy green on both surfaces, apex acuminate or attenuate, acumen up to 0.9 cm long, base cuneate, rarely obtuse, margin completely entire, midrib prominent on both surfaces, secondary veins 10-12 pairs, prominent abaxially, at an angle of 55-70° from the midrib, tertiary veins scalariform-reticulate, visible abaxially. Inflorescences not seen. Infructescences a woody spike, 8.4-11.5 cm long. Cupules sessile, usually in cluster of 3, fused at the base each other, depressed obconical or saucer-shaped, 0.71-1.40 cm high, 2.13-2.80 cm in diam., enclosing 1/4-1/3 of the nut, pubescent with short grayish indumentum outside; wall woody, ca. 2 mm thick, with brown triangular scales outside, the scales up to 4  × 4 mm, imbricate, arranged in 3 or 4 interrupted concentric rings. Nut broadly ovoid-conical to depressed ovoid-globose, 1.5-1.6 cm high, 2.1-2.3 cm in diam., glabrous, brown to blackish brown; basal scar slightly concave, 1.4-1.9 cm in diam.</p><p>Phenology.</p><p>Unknown. Fallen fruits were collected in February.</p><p>Distribution.</p><p>Vietnam (Khanh Hoa and Lam Dong provinces) (Fig. 1).</p><p>Etymology.</p><p>The specific epithet is derived from the type locality, Bidoup-Nui Ba National Park, Lam Dong Province, Vietnam.</p><p>Vernacular name.</p><p>Dé đá Bidoup</p><p>Additional specimens examined.</p><p>Vietnam. Lam Dong Province: Bidoup-Nui Ba National Park; 1602 m elev., 12°09'27.6"N, 108°32'06.6"E, 24 Mar. 2018, T. Yahara, H. Nagamasu, H. Toyama, M. Zhang, A. Nagahama, N.V. Ngoc, K. Tsuchiya V7850 [ster.] (DLU!, FU!); ibid., 1656 m elev., 12°09'36.61"N, 108°32'11.16"E, 24 Mar. 2018, T. Yahara, S. Tagane, M. Zhang, A. Nagahama, K. Tsuchiya, N.V. Ngoc, H.T. Binh, T.Q. Cuong V8190, V8417 [ster.] (DLU!, FU!); ibid., 1669 m elev., 12°09'36.65"N, 108°32'11.18"E, 29 Apr. 2019, N.V. Ngoc, H.T. Binh, N.V. Duy, T.T. Nhung NAF122 [ster.] (DLU!); ibid., 1669 m elev., 12°09'36.62"N, 108°32'11.25"E, 29 Apr. 2019, N.V. Ngoc, H.T. Binh, N.V. Duy, T.T. Nhung NAF185 [ster.] (DLU!). Khanh Hoa Province: Son Thai Commune, Khanh Vinh District, in evergreen; 1430 m elev., 12°10'42.09"N, 108°43'32.59"E, 23 Apr. 2019, T. Yahara, S. Tagane, A. Nagahama, N. Komada, V.N. Ngoc, H.V. Thanh V9940 [ster.] (DLU!, FU!).</p><p>Conservation status.</p><p>Critically Endangered (CR). From our intensive field survey in Bidoup-Nui Ba Naitonal Park and its vicinities from 2015 to present (Tagane et al. 2017 &amp; 2020, Binh et al 2018b),  Lithocarpus bidoupensis was found only in a narrow area within the protected areas of Bidoup-Nui Ba National Park, and its adjascent area of Son Thai Commune at the elevation range between 1400 and 1669 m. In the area, we observed fewer than 50 mature individuals. Based on criterion D of the IUCN Red List criteria (IUCN 2012), this species is qualified as CR.</p></div>	https://treatment.plazi.org/id/DB34B140DE335C86A0858132D26A1EB9	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Pensoft via Plazi	Ngoc, Nguyen Van;Binh, Hoang Thi;Nagahama, Ai;Tagane, Shuichiro;Toyama, Hironori;Matsuo, Ayumi;Suyama, Yoshihisa;Yahara, Tetsukazu	Ngoc, Nguyen Van, Binh, Hoang Thi, Nagahama, Ai, Tagane, Shuichiro, Toyama, Hironori, Matsuo, Ayumi, Suyama, Yoshihisa, Yahara, Tetsukazu (2021): Morphological and molecular evidence reveals three new species of Lithocarpus (Fagaceae) from Bidoup-Nui Ba National Park, Vietnam. PhytoKeys 186: 73-92, DOI: http://dx.doi.org/10.3897/phytokeys.186.69878, URL: http://dx.doi.org/10.3897/phytokeys.186.69878
4363A0284C48505B9DAF812FD36B5FC4.text	4363A0284C48505B9DAF812FD36B5FC4.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Lithocarpus congtroiensis Ngoc & Yahara 2021	<div><p>Lithocarpus congtroiensis Ngoc &amp; Yahara sp. nov.</p><p>Fig. 4</p><p>Type.</p><p>Vietnam. Lam Dong Province, Bidoup-Nui Ba National Park: <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=108.37745&amp;materialsCitation.latitude=12.093694" title="Search Plazi for locations around (long 108.37745/lat 12.093694)">Cong Troi</a>, at edge of evergreen forest, roadside, 1752 m elev., 12°05'37.3"N, 108°22'38.8"E, 11 July 2018, S. Tagane, A. Nagahama, K. Tsuchiya, N.V. Ngoc., T.Q. Cuong V9102 [fr.] (holotype DLU!; isotypes FU!, HN!, KYO!, VNM!)  .</p><p>Diagnosis.</p><p>Lithocarpus congtroiensis is most similar to  L. dahuoaiensis but differs by its smaller leaf blades, more secondary veins, shorter infructescences, cupules clustered of three (vs. solitary), and bigger nut size. It is also similar to  L. honbaensis but distinguished mainly by its shorter petioles, smaller leaf blade, more secondary veins, shorter infructescences, and shorter fruiting stalk (Table 2).</p><p>Description.</p><p>Evergreen tree, up to 25 m tall. Twigs blackish gray, glabrescent. Stipules caducous, not seen. Leaves alternate; petioles 1.1-1.8 cm long, glabrous; blades broadly elliptic, 12-18  × 4.2-7.2 cm, coriaceous, glabrous on both sides, apex acuminate, acumen 0.7-1.2 cm long, base acute to cuneate, margin entire, midrib flat or slightly prominent adaxially, strongly prominent abaxially, yellowish in vivo, brown in sicco, secondary veins 13-15 pairs, prominent abaxially, at an angle of 40-50° from the midrib, tertiary veins parallel, faintly visible abaxially. Inflorescence a terminal or axillary spike, 8-12 cm long, erect, male and female flowers separate or female below. Male flowers white, in 1-3-flowered cluster, calyx 6-lobed, lobes ovate, 0.4-0.7 mm  × 0.5-0.7 mm; stamens 12, 1-1.2 mm long, anthers 0.15-0.20 mm long. Female flower always cluster of three, styles 3, stigmata pointed. Infructescences terminal, erect, 10-15 cm long, rachis grayish brown, lenticellate. Cupules clustered of three, 0.2-0.4 cm long stalked, bowl-shaped, 0.7-1.4 cm high, 2.5-3.6 m diam., enclosing 1/3-1/2 of the nut; wall woody, with tiny imbricate scales; scales triangular, obscure, covered with white-grayish indumentum. Nut broadly conical or globose, 2.1-2.6 cm high, 2.3-3.1 cm in diam., outer surface densely white tomentose; wall woody, crackled; apex shortly acuminate; basal scar slightly concave, 1.5-1.8 cm in diam.</p><p>Phenology.</p><p>Flowers were collected in December and mature fruits were collected from June to July.</p><p>Distribution.</p><p>Vietnam (so far known only from Mt. Cong Troi and Mt. Langbiang of Bidoup-Nui Ba National Park, Lam Dong Province). (Fig. 1)</p><p>Etymology.</p><p>The specific epithet is derived from the type locality, Mt. Cong Troi of Bidoup-Nui Ba National Park, Lam Dong Province, Vietnam.</p><p>Vernacular name.</p><p>Dé đá Công TrÓi .</p><p>Additional specimens examined.</p><p>Vietnam. Lam Dong Province: Bidoup-Nui Ba National Park,  Cong Troi area;  1750 m elev., 12°04'08.5"N, 108°21'55.5"E, 18 June 2015, N. Nguyen, D. Luong, B. Hoang V3205 [fr.] (DLU!, FU!); ibid ., 1860 m elev., 12°06'06.85"N 108°23'00.32"E, S. Tagane, T. Yahara, A. Nagahama, M. Zhang, K. Tsuchiya, T. Nguyen, C.T. Nguyen V9470 [fr.] (DLU!, FU!);  1790 m elev., 12°06'03.86"N, 108°23'39.73"E, 20 Dec. 2018, T. Yahara, S. Tagane, A. Nagahama, K. Tsuchiya, C.T. Quong, P. Chhang V9555 [male and female fl.] (DLU!, FU! KAG [KAG127308]!); ibid .,   1864 m elev., 12°04'08"N, 108°21'54.5"E, 15 Jun. 2019, N.V. Ngoc, H.T. Binh, N.V. Duy, T.T. Nhung NAF200 [fr.] (DLU!); <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=108.365135&amp;materialsCitation.latitude=12.068889" title="Search Plazi for locations around (long 108.365135/lat 12.068889)">Mt. Langbiang</a>; 1918 m elev., 7 Oct. 2018, 12°02'48.13"N, 108°26'06.67"E, S. Tagane, T. Yahara, A. Nagahama, M. Zhang, K. Tsuchiya, T. Nguyen, C.T. Nguyen V9492 [ster.] (DLU!, FU!).</p><p>Conservation status.</p><p>Critically Endangered (CR). We found around ten individuals of  L. congtroiensis along the road and inside the permanent plot at Cong Troi area, and three individuals in Mt. Langbiang, both located inside the protected area of Bidoup-Nui Ba National Park. Based on criterion D of the IUCN Red List criteria (IUCN 2012), this species is qualified as CR. The new species is endemic to Bidoup-Nui Ba National Park, Lam Dong Province.</p></div>	https://treatment.plazi.org/id/4363A0284C48505B9DAF812FD36B5FC4	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Pensoft via Plazi	Ngoc, Nguyen Van;Binh, Hoang Thi;Nagahama, Ai;Tagane, Shuichiro;Toyama, Hironori;Matsuo, Ayumi;Suyama, Yoshihisa;Yahara, Tetsukazu	Ngoc, Nguyen Van, Binh, Hoang Thi, Nagahama, Ai, Tagane, Shuichiro, Toyama, Hironori, Matsuo, Ayumi, Suyama, Yoshihisa, Yahara, Tetsukazu (2021): Morphological and molecular evidence reveals three new species of Lithocarpus (Fagaceae) from Bidoup-Nui Ba National Park, Vietnam. PhytoKeys 186: 73-92, DOI: http://dx.doi.org/10.3897/phytokeys.186.69878, URL: http://dx.doi.org/10.3897/phytokeys.186.69878
9870935374AD516F86E6E8690B6B8069.text	9870935374AD516F86E6E8690B6B8069.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Lithocarpus hongiaoensis Ngoc & Binh 2021	<div><p>Lithocarpus hongiaoensis Ngoc &amp; Binh sp. nov.</p><p>Fig. 5</p><p>Type.</p><p>Vietnam. Lam Dong Province, Bidoup-Nui Ba National Park, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=108.70697&amp;materialsCitation.latitude=12.17664" title="Search Plazi for locations around (long 108.70697/lat 12.17664)">Hon Giao</a>, at edge of evergreen forest, roadside, 1580 m elev., 12°10'35.9"N, 108°42'25.1"E, 19 June 2015, N. Nguyen, D. Luong, B. Hoang V3235 [young male fl. and fruits] (holotype DLU!; isotypes FU!, HN!, KYO!, VNM!)  .</p><p>Diagnosis.</p><p>Lithocarpus hongiaoensis is similar to  L. vinhensis but differs in having much longer petioles, fewer secondary veins, longer infructescences, bigger cupules, and bigger nuts. It is also similar to  L. vuquangensis but differs in having much longer petioles, more secondary veins, longer infructescences, and bigger cupules (Table 2).</p><p>Description.</p><p>Evergreen tree, up to 25 m tall. Twigs blackish gray, glabrescent, densely lenticellate. Stipules narrowly triangular, ca. 5  × 1 mm, densely covered with indumentum abaxially, almost glabrous adaxially. Leaves alternate; petioles 1.7-3.5 cm long, glabrous; blades narrowly elliptic to lanceolate, 7.6-14.7  × 2.3-4.6 cm, coriaceous, glabrous adaxially, covered with adherent waxy scales abaxially, apex acuminate, acumen up to 1.5 cm long, base attenuate and decurrent on petiole, margin entire, midrib flat or slightly prominent near base adaxially, prominent abaxially, greenish yellow in vivo, reddish brown in sicco; secondary veins 8-11 pairs, prominent abaxially, at an angle of 35-45° from the midrib, tertiary veins scalariform, faintly visible or invisible on both sides. Young male inflorescences terminal, ca. 5-7 cm long, densely covered with white indumentum. Infructescences terminal, erect, 12.5-16.5 cm long, rachis 0.4-0.6 cm thick at base, grayish brown, lenticellate, covered with indumentum. Cupules solitary, sessile, obconical to saucer-shaped, 0.8-1.2 cm high, 1.7-2.6 cm in diam., enclosing 1/3-1/2 of the nut; wall woody, ca. 2 mm thick, with triangular scales not united into concentric rings; scales up to 4 mm long, apex shortly acuminate, covered with dense grayish indumentum outside. Nut strongly depressed ovoid, 0.6-1.1 cm high, 1.2-1.5 cm in diam., glabrous, reddish brown to grayish brown in sicco, tomentose with soft white hairs near apex; basal scar slightly concave, 1.2-1.4 cm in diam.</p><p>Phenology.</p><p>Young male flowers and mature fruits were collected in May and June.</p><p>Distribution.</p><p>Vietnam (so far known only from Hon Giao area of Bidoup-Nui Ba National Park, Lam Dong Province). (Fig. 1).</p><p>Etymology.</p><p>The specific epithet is derived from the type locality, Hon Giao area of Bidoup-Nui Ba National Park, Lam Dong Province, Vietnam.</p><p>Local name.</p><p>Dé đá Hòn Giao.</p><p>Conservation status.</p><p>The new species is narrowly endemic to Hon Giao area of Bidoup-Nui Ba National Park, Lam Dong Province. During our floristic expedition from 2015 to present, we found only five mature individuals of  Lithocarpus hongiaoensis at the road in montane evergreen forest which is located within the protected area of the national park. According to criterion D of the IUCN Red List criteria (IUCN 2012), this species is qualified as CR.</p><p>Additional specimens examined.</p><p>Vietnam. Lam Dong Province: Bidoup-Nui Ba National Park, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=108.70719&amp;materialsCitation.latitude=12.176528" title="Search Plazi for locations around (long 108.70719/lat 12.176528)">Hon Giao</a>, 1574 m elev., 12°10'34.5"N, 108°42'25.5"E, 15 May 2019, N.V. Ngoc, H.T. Binh, N.V. Duy, T.T. Nhung NAF122 [fr.] (DLU!); ibid., 1574 m elev., 12°10'35.5"N, 108°42'25.9"E, 11 June 2020, N.V. Ngoc, H.T. Binh, N.V. Duy, T.T. Nhung NAF192 [fr.] (DLU!)  .</p></div>	https://treatment.plazi.org/id/9870935374AD516F86E6E8690B6B8069	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Pensoft via Plazi	Ngoc, Nguyen Van;Binh, Hoang Thi;Nagahama, Ai;Tagane, Shuichiro;Toyama, Hironori;Matsuo, Ayumi;Suyama, Yoshihisa;Yahara, Tetsukazu	Ngoc, Nguyen Van, Binh, Hoang Thi, Nagahama, Ai, Tagane, Shuichiro, Toyama, Hironori, Matsuo, Ayumi, Suyama, Yoshihisa, Yahara, Tetsukazu (2021): Morphological and molecular evidence reveals three new species of Lithocarpus (Fagaceae) from Bidoup-Nui Ba National Park, Vietnam. PhytoKeys 186: 73-92, DOI: http://dx.doi.org/10.3897/phytokeys.186.69878, URL: http://dx.doi.org/10.3897/phytokeys.186.69878
