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香港樟科一新种―腺叶琼楠(英文)



全 文 :香港樟科一新种―腺叶琼楠
夏念和 1, 韦发南 2, 邓云飞 1
( 1.中国科学院华南植物园经济植物研究所,广州510650;2.广西壮族自治区植物研究所,广西桂林641006)
中 国 科 学 院
摘要:报道樟科琼楠属一新种,即腺叶琼楠BeilschmiediaglandulosaN.H.Xia,F.N.Wei&Y.F.Deng。腺叶琼楠与美
脉琼楠B.delicataS.Lee&Y.T.Wei和网脉琼楠B.tsangiMer.近似,但叶面具腺状小突起,花序短和果实表面光滑,
不具小瘤点而容易区别。
关键词:樟科;琼楠属;腺叶琼楠;新种;香港
中图分类号:Q949.747.5 文献标识码:A 文章编号:1005-3395(2006)01-0078-03
Beilschmiediaglandulosa(Lauraceae),ANewSpeciesfromHongKong
XIANian-he1,WEIFa-nan2,DENGYun-fei1
(1.InstituteofEconomicBotany,SouthChinaBotanicalGarden,theChineseAcademyofSciences,Guangzhou510650,China;
2.GuangxiInstituteofBotany,GuangxiZhuangzuAutonomousRegionandtheChineseAcademyofSciences,Guilin641006,China)
Abstract:AnewspeciesofBeilschmiediaofLauraceae,B.glandulosaN.H.Xia,F.N.Wei&Y.F.Deng,is
describedandilustrated.ThenewspeciesissimilartoB.delicataS.Lee&Y.T.WeiandB.tsangiMer.,but
difersinitsshortinflorescences,glandularspotedonuppersurfaceofleavesandsmoothfruits.
Keywords:Lauraceae;Beilschmiedia;Beilschmiediaglandulosa;Newspecies;HongKong
Recieved:2005-11-04 Accepted:2005-12-02
Foundationitem: SupportedbyAgriculture, FisheryandConservationDepartmentofHongKongSpecialAdministrativeRegion
(AFD/SQ/83/02),andSouthChinaBotanicalGarden,theChineseAcademyofSciences
BeilschmiediaNeesisalargegenuscontaining
about200species,distributedmainlyintropical
regionsoftheworld[1].Therearetwospecies,B.fordi
DunnandB.tsangiMer.,recordedfrom Hong
Kong[2].Inthecourseofpreparingthemanuscriptof
LauraceaeforFloraofHongKong,wehavethe
opportunitytore-examinethematerialskeptinHong
KongHerbarium.WerealizedthatHongKong
specimensidentifiedasB.tsangiarediferentfrom
materialsofB.tsangiMer.colectedfromHainan,
Guangdong,GuangxiandYunnan,andrepresentan
undescribedspecies.BeilschmiediaglandulosaN.H.
Xia,F.N.Wei&Y.F.Deng,isdescribedherein.The
speciesissimilartoB.delicataS.Lee&Y.T.Wei
andB.tsangiMer.inhabit,butdifersinitsshort
inflorescences,glandularleavesandsmoothfruits[1].
BeilschmiediaglandulosaN.H.Xia,F.N.Wei
&Y.F.Deng,sp.nov. Fig.1
SpeciesafinisB.delicataS.Lee&Y.T.Weiet
B.tsangi Mer.,a quibusfolissupra dense
glanduloso-punctatis,inflorescentis1.5-3cmlongis,
fructibuslaevibusdifert.
Trees;branchletsgrayishbrown,pubescent,
glabrescent, terminal buds pubescent. Leaves
subopposite,leathery,eliptic,narowlyelipticto
oblanceolate,4.5-8.5cm ×1.5-3.5cm,base
atenuate,apex obtuse,margin entire,glabrous,
brownish abaxialywhen dry,denselyglandular
spoted adaxialy;main veinselevated on both
热带亚热带植物学报 2006,14(1):78-80
JournalofTropicalandSubtropicalBotany
Fig.1BeilschmiediaglandulosaN.H.Xia,F.N.Wei&Y.F.Deng
1.Floweringbranch;2.Fruitingbranch;3.Flower;4.Stamenofthefirstandsecondwhorls;5.Stamen
ofthethirdwhorl;6.Staminode;7.Ovary;8.Partofadaxialsurfaceofleafblade(enlarged).(DrawnbyY.X.Liu)
surfaces,lateralveins5-7pairs,togetherwithtertiary
veinsprominentonbothsurfaces.Petioles5-8mm
long.Inflorescencesaxilary,racemoseorthyrsoid,1-
3clustered,1.5-3cm long,shortlypedunculate.
Bracteolesovate,ca.1mm×0.6mm,pilose.Pedicels
2-4mm.Flowersca.4mm×4mm,perianth-tube
short.Perianth-lobes6,rarely7-8,ovate,ca.2.5mm
long,piloseinside,sparselyviloseoutside.Fertile
第1期 夏念和等:香港樟科一新种―腺叶琼楠 79
stamens9in3whorls,6ofoutertwowhorlsopposite
toperianth-lobes,filaments1mmlong,denselypilose,
anthersca.0.8mmlong,2-celed,celsintrorse,each
ofthethirdwhorlstamenswithapairofshort-stalked
orbicular-reniformglandsnearthebaseoffilaments,
filamentsca.0.5mmlong,denselyvilose,anthersca.
0.5mmlong,2-celed,celsextrorse.Staminodes3of
theinnermostwhorl,ca.0.8mmlong,ovoid.Ovary
cylindrical,ca.2.5mmlong,sparselyvilose,styleca.
1mmlong,stigmacapitate.Fruitselipsoid,apiculate,
bluishblackwhenmaturing,1.5-2.2cmlong,1-
1.5cmacross,smooth,wrinkledwhendry.Seeds1.3-
2cmlong,0.8-1.2cmacross.
CHINA.HongKong:TaiTam,8/1982,Yip&
Fais.n.(HK,herb.No.34327,typus,HK);same
locality,17/2/1981,Yip&Fais.n.(HK,herb.No.
34238);NgTungChai,F.W.Xing7756;BowenRd.,
K.L.Yip4197;AberdeenNewRd.,S.Y.Lau442;
SevernRd.,S.Y.Lau1165;DeepWaterBayRd.,S.
Y.Lau1651;FungMunKau,Yip&Fais.n.(HK
herb.No.34208);W.J.Tutchers.n.(HKherb.No.
4756);W.J.Tutchers.n.,Jan.25,1911 (exHerb.
Hongk.No.9118);Mt.Parker,W.J.Tutchers.n.(ex
Herb.Hongk.No.5223).
Etymology.Thenewspeciesisnamedforits
leaveswithglandularspotsadaxialy.
ThecomparisoncharactersamongBeilschmiedia
glandulosa,B.delicataandB.tsangiareshowninT
able1.
Acknowledgements WearegratefultoProf.Hu
Chiming (IBSC)forhiscommentsandhelpsin
preparationofthemanuscript,andDr.Kwok-Leung
YIP(HK)forhishelpstoloanthespecimens.
References
[1] LeeSK,WeiY T.Beilschmiedia[A].In:LiH-W.Florae
ReipublicaePopularisSinicaeTomus31 [M].Beijing:Science
Press,1982.123-152.(inChinese)
[2]WeiFN.Lauraceae[A].In:WuTL.ChecklistofHongKongPlants
[M].HongKong:Agriculture,FisheriesandConservationDepart-
ment,theGovernmentoftheHongKongSpecialAdministrative
Region,2002.41-47.
80 热带亚热带植物学报 第14卷