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TThhee JJaapapnaesneSeosciee tySociety ffoorr PPllanatnt SSyystsetmaetmicastics ISSN 1346-7565 Acta Phytotax. Geobot.S8(1)3:9-41(2007) A New Speciesofthe Genus Ophiopogon(Asparagaceae) from Guangxi,China MINORU N.T.AMURAiand JIE-MEI Xu2 'Botanical Gaidens,GraduateSchootofScienOesea.kaCityU}iivensiCz20K0i0saiehiK,atano-shi(,isaka576- OO04, mpan; 2Department ofBioto gSiyc,huan Uhiversi( CMhengdu 610064, Sichuan ,China Based on a specimen from Guangxi, China ,ophiqpog aogni's u(iAsparagac ies naeewl)y describe dT,his species is similar to O, tonldnensis ,but difre rfsrom i tin the urceolate flower swith a long pedicel, Key words: Asparagaceae ,China, Guangxi, Liliacea esensu lato ,limeston earea, new species, (iphiopogon (,[iphiopogon ogisui, Ciphiqpogon tonkinensis, Vietnam ln 2006, Mt Mikinori Ogisu collected a specimen of cent, eream or beige ,apically white, basall ryeddish Ciphiopogo Kner Garwl .similar to O. tonkinensis L, brown, often branche idn middle and dista plor- Rodr. (Chen & [famura 2000) from a limestene tions .Foliag eleave s12, 6 per year ,glabrou sb,asal, area near the Vietnam border in Guangxi, China, at tufted ;petiol e15-28 cm long, 3.5-4. 5mm in diam., about 440 m altitude .The plan thas narrowly oblong pale green; leaf blade narrowly oblong, 16,5-21.5 leaves with an indistinc sttem. The inflorescence cm long, 4.4-5. 8cm broad ,entire, leather ayd,axially is a reduced panicle with relatively small purplish green ,abaxially pale green with 35-47 whitish flowers I.t diffe rfsrom O, tonldnensis, however ,in green longitudi nsatrleaks, basall oybtuse and decur- having urceolate flower swith a long pedicel .We rent on petiol eap,ically mucronate with blunt tip. therefb rcoensider it to be a new species and name it Scape 10.6 cm long, dark purple, glabrous, (iphiopogon ogisui. Infierescenc eterminal, a reduced panicle 7,.3 cm long, dark curved, purple on upper surface ofaxis, Ophiopogon ogisui M. N. Tamura & J. M, Xu, purplis hgreen on lower surface of axis, glabrous, sp. novL (Fi g1). 51-flowere db;ract sboat-shape dt,o 1,5 cm long, distally Altohnngii $s et( icpohreilolpiosg uorncie otloantikse ndeinfsif eesrtt, .sed pediculi vsalde pceunrtprallilysh .Fplaolwe egrr seheenr, mmaarpghinraolldyit iuwrchci,ctioslha,te, in clus- 7),pus ,CHINA, Guangxi, Lengzhu, Jinlong, ter sof2 or 3, facin gdownward, often perpendicular Gaoshan, Banbi, ca. 440 m altitude, Mildnori Ogisu 250 to pedice lP.edicel articulated; ponion below artic- (hol oPE-), ulation 1.5 mm long ,dark purple ;ponion above Herbs ,perennial e,vergreen. Rhizome vertical, 12.5 articulation 13-17 mm long ,surroundcd by pur- cm long ,0.7-1. c2m in diam. ,reddish brown; annu- plish white pericladiu mof perianth .Perianth, al growth 1.2-2. c3m long ;internod eOs.5-2. 8mm excluding pericladium ,6-6. 5mm long ,6-7 mm in long ,Roots 4-7 per year ,to 4 mm in diam. ,pubes- diam. ,purplish ,distal lanyd adaxially darkl ycol- NII-Electronic Library Service TThhee JJaapapnaesneSeosciee tySociety ffoorr PPllanatnt SSyystsetmaetmicastics 40 APG XioL58 ig". 's ,ls'tiy,,,･,,; / lt/t/tt ,s l ･y ･, ll ill'' 'I'i'I}l'vl''t'/,t: , ]f f/ , sll Akf tanB £ Fik,, J acsXk#=ts ws :li ue isi)NbN :-:s/t sc r/rs･･xi K ge ･rvtsulrFXN# gx x[.･. Nkk.. icm - ' ' .t m "si 'tttt'' .t ''' L FiG. 1. Clphiopogo nagisu iM. N. [[lamur &a J. M. Xu. A, Habit .B-D. Ftowers and pedicel sE-G, FIowers :E, halfofperiant rherneved, F, two stamens plus halfofperia"t hrcmoved; G, longitudinal seution, H, Ovary: cross section, I-K, Stamens: L ,adaxial view; j, rater avliew; K, abaxial view. L, Foliage leaf :abaxial surface with midvem (rn v()al Mlikinori Qgis u250). NNIII-IE-leEcltreoncitcronic LLiibrbarryary Service TThhee JJaapapnaesneSeosciee tySociety ffoorr PPllanatnt SSyystsetmaetmicastics May 2007 TAMURA & XU: A new ( iphiopo gforonm China 4I ored, apex refiexed; lobes 6, oblong to elliptic, 4,5- 1-locular, 5 mm long .Stamens 6; filament scompressed, 1-1,2 mm long ,0.8-O. 9mm broad ,pale green; anthers We extend our cordial gratitu dteo Professors De-zhi Fu ovoid, 1,7-2, 2mm long, cream, intrors eO,vary and Hai-ning Qin of the Institu tofe Botany ,Academia half inferi o1r-,locula orvu;les 7-9 ,1 mm long ,O.6- tShiins iwcora k,B,c lOjuirn g sf,inbcer rtehe itr henacnoukrsag eamreent due t oa nMdr .s upMpiorktin oofri O,8 mm in diam. ,white, basal .Styl e1, 5 min long, Ogisu for discussions ,Thanks are also due to Mr. slender, white, exceeding periant bhy 1 mm at matu- Masayoshi Umebayashi for hi sdrawings. rity ,Anthesis November. Distributio no,phiqpog oognisui has so far References been fbund only at the type locality. Hdbitat,Shaded Chen,S.C.& M. N. [famura,2000.(]lphiopogoKner or semi shaded sites under broadleav eshdrubs; in shallow soils on sloping Gawler .bi: Wu, Z, Y, & P H. Raven (eds ,Fl)o,ra of China24:252-261. limeston erocks. Conran,J.G.& M N.Tamura,1998.ComrallariaceIane:. AJbte A,lthough Conran & Tamura (1998 an)d Ku bi tz ki ,K. (e d. T)h,e Famil ies and Genera of Chen & Tamura (2000 d)escribe dthe ovary of VascularPlants3:186-198.SpringerB,erlin, ( iphiopo gaso 3n-locula rt,he ovary ofthis species is Received,lanua r1l9?, 2007; acceptedMdrch i3, 2007 NII-Electronic Library Service