Odontochilus poilanei（Gagnep.）Ormerod，a new ly recorded species of Orchidaceaefrom Fujian Province

LIMing-he，CHEN Shi-pin，LAN Si-ren，PENG Dong-hui，LIMao-biao

（1.College of Forestry，Fujian Agriculture and Forestry University，Fuzhou，Fujian 350002，China;2.College of Arts＆ College of Landscape，Fujian Agriculture and Forestry University，Fuzhou，Fujian 350002，China;3.Tianbaoyan National Nature Reserve Administration，Yong'an，Fujian 366000，China）

Odontochilus poilanei（Gagnep.）Ormerod，a new ly recorded species of Orchidaceae
from Fujian Province

LIMing-he1，CHEN Shi-pin1，LAN Si-ren1，PENG Dong-hui2，LIMao-biao3

（1.College of Forestry，Fujian Agriculture and Forestry University，Fuzhou，Fujian 350002，China;2.College of Arts＆ College of Landscape，Fujian Agriculture and Forestry University，Fuzhou，Fujian 350002，China;3.Tianbaoyan National Nature Reserve Administration，Yong'an，Fujian 366000，China）

Odontochilus poilanei（Gagnep.）Ormerod，a newly recorded species of Orchidaceae in Fujian Province was reported.Briefmorphological descriptions and photos of this species were provided.The taxonomic treatment of this species betweenOdontochilusandChamaegastrodiawas analyzed.According to the conclusion ofOrmerod's research，the specieswas published as a newly recorded species ofOdontochilusin Fujian Province.

Odontochilus poilanei;Orchidaceae;newly recorded;Fujian Province

The genusOdontochilusBlume belongs to subfamily Orchidoideae，Orchidaceae［1］.There are about40 species recorded worldwide.They range across the Himalayas and northern India，extend to southeast Asia in northern Japan，east to the southwest of the Pacific Islands;11 species in China［1］.TheOdontochilus elwesiiC.B.Clarke ex J.D.Hook was the only species recorded inOdontochilusgenus in Fujian Province［2］.In September 22，2009，Odontochilus poilanei（Gagnep.）Ormerod was found for the first time in Tianbaoyan National Nature Reserve.Itwas a newly recorded species of Orchidaceae in Fujian Province.

1 Odontochilus poilanei（Gagnep.）Ormerod

1.1 Taxonom ic

Odontochilus poilanei（Gagnep.）Ormerod，Lindleyana.J.17:225.2002.Chamaegastrodia poilanei（Gagnep.）Seidenf.et A.N.Rao，Nord.J.Bot.14（3）:297，fig.4 ＆ 5.1994;Evrardiana poilanei（Gagnep.）Averyanow，Bot.J.（Moscow ＆ Leningrad）73（3）:432.1988;Evrardianthe poilanei（Gagnep.）Rauschert，Fedde Repert.Sp.Nov.94（7 － 8）:433.1983;Hetaeria poilanei（Gagnep.）T.Tang et F.T.Wang，Acta Phytotax.1（1）:71.1951;Evardia poilaneiGagnep.，Bull.Mus.Hist.Nat.Paris ser.2，4（5）:596.1932.

1.2 M orphological characteristics

Saprophytic herb，12 －15 cm tall.Rhizome stout，short，fleshy，yellowish white.Stem erect，stout，purplish red，leafless.Raceme 3 －7 cm long，several tomore than 10-flowered，with pubescent on the rachis;floral bracts ovate，purplish red，outer surface pubescent，apex acuminate.Flowers erect，not resupinate;sepals purplish red with pubescent on the outer surface;petals purplish red，linear lanceolate，1-veined，apex acute;labellum deep yellow，T-shaped，somewhat Y-shaped with apical part conspicuously incised-erose atmargin，claw 8 mm long;hypochile slightly dilated，concave-saccate，aseptate，containing 2 sessile，domed calli at the base;gynandrium short，with 2 sub-square，lamellate wings;anther ovoid，ca.2.5 mm，apex acuminate;rostellum erect，furcately 2-lobed（Fig.1）.Flowering period:September.Fruitwas not seen.

1.3 Geographical distribution and habitat

This species has been found in China，Japan，Thailand，and Vietnam until now［1，3－4］.China:Motuo County，Tibet;Baishuiling Tropical Forest Reserve，Hainan;Hekou County，Yunnan;Yuanbao，Guangxi［1，5－6］;and Tianbaoyan National Nature Reserve in Fujian Province.The natural habitat of this species is wet，so it often grows under evergreen broad-leaved forest in its new found habitat in Fujian Province with altitude 763 m，latitude N 25°56'51.11"，longitude E 117°33'0.96".The voucher specimens were preserved in Herbarium of Fujian Agriculture and Forestry University.Number:090922113，Gatherer:Shi-pin Chen，Time:Sep.22，2009.There are also other orchids distributing around the habitat ofOdontochilus poilanei，such asAnoectochilus setaceus，Cleisostoma paniculatum，Goodyera velutina，Hetaeria abbreviatusetc.

Fig.1 Odontochilus poilanei（Gagnep.）O rm erod（photoed by Shi-pin Chen）

2 Discussion

2.1 Taxonom ic treatm ent

It has been contentious aboutwhich genus theOdontochilus poilaneibelongs toChamaegastrodiaMakino＆F.Maekawa is charactered by leafless，holomycotrophic，lip usually 3-partiteand T-shaped，or rarely entire，ovate with unlobed apex，and column stout，ventrally with 2 triangular-falcate appendages（wings）toward apex［1］.Ormerod［7］delineatedOdontochilus poilaneiwas a leaflessmember ofOdontochilusBlume rather than a truemember ofChamaegastrodia［8］，because its flowers had a relatively large，long clawed lip and a pair of ventral appendages beneath the stigma，showing a closer relationship to some species ofOdontochilus，such asO.elwesiiC.B.Clarke ex f.Hook.，than to those ofChamaegastrodia.Tian et al［6］firstly describedCh.nanlingensisH.Z.Tian ＆ F.W.Xing in 2008.They indicated that itwas similar toCh.poilanei（Gagnepain）Seidenfaden ＆A.N.Rao，withCh.nanlingensishaving smaller flowers，a yellow lip withouta pair of elongate introrse lobules at the epichile lobe，a slightly erose margin，and much smaller dorsal sepals and petals.Hu et al［5］reportedChamaegastrodiaas a newly genus recorded in Hainan Province represented byCh.poilanei（Gagnep.）Seidenf.et.A.N.Rao.Hsu et al［9］stated briefly thatCh.nanlingensisH.Z.Tian ＆ F.W.Xing had the characteristics that pointed out by Ormerod.They also proposedOdontochilus guangdongensisT.C.Hsu ＆ S.W.Chung as a new name forChamaegastrodia nanlingensisH.Z.Tian ＆ F.W.Xing，because the nameOdontochilusnanlingensis（L.P.Siu ＆ K.Y.Lang）Ormerod already existed［1］，butO.guangdongensisT.C.Hsu ＆ S.W.was substituted byO.guangdongensisS.C.Chen，S.W.Gale ＆ P.J.Cribb inFlora of China［1］.

2.2 Future directions

Chen et al［1］supported the view thatChamaegastrodia poilaneiandCh.nanlingensisshould belong toOdontochiluson the basis of the similar of lip and gynandrium inFlora of China，which was proposed by Ormerod and Hsu.Meanwhile，Chen et al［1］also stated briefly that leafless and saprophytic were one of the important characteristics ofChamaegastrodia，which was also accepted by Tian etal and Hu et al.The cytology andmolecular biology should be done in the further researches to make clear the genetic relationship betweenChamaegastrodiaandOdontochilusaswell aswhich generaO.poilaneiand its sibling speciesO.guangdongensisshould belong to.

3 Conclusion

According to the conclusion of Ormerod's research，the species newly recorded in Fujian Province was published after the name ofOdontochilus poilanei（Gagnep.）Ormerod.

Acknow ledgements:We are grateful to Xin-yan Chen and Jian-lin Wang for their help during the field survey.

［1］CHEN X Q，LIU Z J，ZHU G H，et al.Flora of China，Vol.25［M］.Beijing:Science Press，2009:69 －84.

［2］Fujian Province Science and Technology Commission.Flora of Fujian Editing Committee.Flora of Fujian，Vol.6［M］.Fuzhou:Fujian Science and Technology Press，1995:667 －668.

［3］AVERYANOV L V.New species of orchids from Vietnam［J］.Taiwania，2007，52（4）:287 －306.

［4］AVERYANOV L V，AVERYANOVA A L.Updated Checklist of the Orchids of Vietnam［M］.Hanoi:Vietnam National University Publishing House，2003.

［5］HU A Q，XING FW.Chamaegastrodia，a newly recorded genus of Orchidaceae from Hainan［J］.Journal of South China Agricultural University，2007，2（28）:89.

［6］TIAN H Z，XING FW.Chamaegastrodia nanlingensis（Orchidaceae），a new species from Guangdong，China［J］.Novon，2008，18（2）:261 －263.

［7］ORMEROD P.Taxonomic changes in Goodyerinae（Orchidaceae:Orchidoideae）［J］.Lindleyana，2002，17（1）:189 －238.

［8］SEIDENFADEN G.The genusChamaegastrodia（Orchidaceae）［J］.Nordic Journal of Botany，1994，14:293－301.

［9］HSU T C，CHUNG SW.Nomencleture changes of some orchids in China and Taiwan［J］.Taiwan JFor Sci，2009，24（1）:75－78.

（责任编辑:叶济蓉）

Q949

A

1671-5470（2013）06-0600-03

2013－01－11

2013－09－11

国家林业局林业公益性行业科研专项资助项目（201204604）;福建省财政专项（2012）资助.

李明河（1985－），男，博士研究生.研究方向:植物系统学.通讯作者兰思仁（1963－），男，教授，博士生导师.研究方向:植物资源学.

福建省兰科一新记录种——齿爪齿唇兰

李明河1，陈世品1，兰思仁1，彭东辉2，黎茂彪3
（1.福建农林大学林学院，福建福州350002;2.福建农林大学艺术学院园林学院（合署），福建福州350002;3.永安天宝岩国家级自然保护区管理局，福建永安366000）

报道了福建省兰科一新纪录种——齿爪齿唇兰（Odontochilus poilanei（Gagnep.）Ormerod），提供种的简要描述和照片;并分析了该植物分类学地位的变化情况，特别是与齿唇兰属（Odontochilus）和叠鞘兰属（Chamaegastrodia）的关系.基于Ormerod的观点，以福建省齿唇兰属的一新纪录种发表.

齿爪齿唇兰;兰科;新记录;福建省