Two New Species of Carex seet. Racemosae (Cyperaceae) from China Sog-Y,'i Li(ang amid Shul-Rn Zlhang* Stale Kev LIa.ol) atory of Systeinutic' ud( l Evolutionar-y Hlctanv. Institute of lBotanyL The (Chilnese Acadclemny of Sciences. Xiangshan, Beijing 109())3. (China. 1(-Correspolling author,
[email protected] AlT 1('T. Twol ne1w species. C(rr',x bijimngensi'. S. '. Iiang & S. I. Zhang anil C. blliquilrlluni(t . C. Tung & 5. ' . Liang, are described mand illustrated. B(othl species are (ountl in China mid beloung to C,'rr.\ sect. Racmorin'e (. D)ni by having typically female latleral spik'es. a gyn'anildroiIs terminail sp)ike. drk Iiemale gluniics. ud Ialdhrc stigmas.. ke' or' o (is: C(r,'.\. China, Cype()race. In F)preparing the taxono( miic 1 tr-ailn ni( t of ( 'yp)racei( flr /Flor1 / (/Cinim. the utihlors flound two new( species of C"rel fronm sonthwestern C(hinaI. Biased on tlheir fhmlale ((or o'ccasionally gyne' unil ronus) ll('ral slikes,. a gynelilc ilrons .lrmiini l splikec. (lark clfe ale gitnoes. Iand hree stigmas. )I(th ni( e species bel(ong to seclion. lRacenoltsl (. )(ion (1](8 ()), \lwhic(h is a largti s(ection w)ithin Curi'.. will t alout 60 specie)' s in extralrol pical areas of nurusia and lNorth America (Egorova. 1909). I' n ic re a l a oiul 2 1 s)p cies of the sIeclion in China.l niainly ocii L rring i no rtheall ern, nior1th9 eslern. andt southIe\stcrn China (I.iang, 20()I0). Section Alr'inl e 1. (alir x l ijiangensis S11 11 . (. l iaing & I . el. / l g.i sp. no Lt. 1T'i: C tina. u 1nniian: Mt1 . filuno Slian. liijiang. .000 in, 113 Aug. 1934, II. T. T7058022 (hiolotype, PE). F'ig'l re I. Hlac, species C. l ,n+i<iis/ni Nelmcs er l C. anic/inii Ilinker1 ArnIioll ifilis. sed] tulrirnlis lang .ste <llip)ticis, i imlhrana-eeis. 1\ensIiis it rostri Itlrune lo vet t-mlurginat tliffl'ert. lRhizome shlorl: iilns Ilfted. 50(-60 emli high. ca.2.5-3.3 nini wvide, tri(luetrons, wilh purp)lish lrown,lealfless and sometlimies fibrillose shealhs at lase.L.eaves shorter thian culms. 1-7 Ilin wtide, flal.linlorescence racenimose, witlh I Io 6 l)ikes: braelswithlioni shealhs. lowest I or 2 leaf-like, exceedinginflor'esceni ce. uiipper ones bristle-like. shorter thianinflorescence,; i))upper spikes eollgesled.l lowesl I or 2remole: tihe lermninal s)ike gyneueandrous, ylinidrieal,2.5-;3.5 X ca. I cn, the lateral ones femniale.nceasionally gyn\icandrous, oblong or rylindrimal. 23-X (ca. ().S-0().9 (1. thei ' lowest spike with a ,pe uncle8--12 rnii longt 1t ll. .upper iones wih ll s li-lfl r r sessilepeduneles. Female glumes ovale-lanceolate, 6-6.5 X2 nii., with long salrio s \wns I-1.5 nli long.nluem ra inous. 0dark rown\l. I-nerved:. utricles shorterthan g0liimes. narroi wly ellilpi., 1-5 1n1 long, veinless.menli. ra/ l s o) ai l st coriaeoust. yellowish green toldark purple. apices attenuale into short beaks ca.0.2 nin long. leak iontlhs purple-h lu( k, truncate oreniarginate; stligmas 3. Nnllets narrowly olovale,Iri(gonol . \ello\\ . 2.5 iun long. i)i.l/ribtltioii (ind habilti. The new species is lno ldn in soutllhastern Xizang (Til)et) and northiweslern f ll (lflllllt fI. (cfi t ] l.' li ll' ! 2. l'unnlI n. lChlii ll la. iL l and lli . 110n olle ilct fro l moun tain slopes, sn-nl-amd grasslands, alpine meadlows, and dilch si(les, fromt elevations ;3100-'300 i. /Phcn/o/lo.y. Flowering andt frritint froni Jl\ to Sep(lmenil)r. Etl imoin gy. The epilliet is based on " ijianfiig a couinl\ from 1 nlinan. (China. whli re the lholotype of tihe species was colleclel. f//inti'.,. C(a .ex blijiatng n.i.<. is associated w ith those 'rc lre ll th ) possess rolnsl enlmis andl larger glunles atnd ntrices wilthlin section R cenout'. mid is similar to C. kunsue.sis. and C. gon'linii )by having sto)t ( lnis (2.5-l nl wvide), larger acute or awned glum ,es (6-6.5 i nil long), and larger ulrieles (41-5 iun long). The differences among lies, libree species are listed in 'Talble I. li.rl.vpp's. (C:INA. Xizan.: Hiildoig. Za)u, ( Qingh i-izarg l':xlped. 10()231; (PI1): Caalonig. Z viyu. C. WI. Wi"ing 659.W 3 (1':). Yutm an: Iijiangi . I. T. 's! .i ./125 (P'f). //. 7L'. 7,ai 80V.3) (P1'): Ci ihong, I )ellen. A. !1/ l-'ni ,5.':> ) (1)1': Pika, Zhorgdtian, 7. 7. fu 11 -21 (PIE). 2. Carex ol)bliqiuitruni<ata ) . (C. Tang & S. 1. Liiang, sp. nov. Th )lP : (China. Y nna :ii: (;ong-shlian, grassy slopes. 10()()() m. )() Sep. 193;, T. T. Yii 22740 (holoty)). p ',). Figure 2. Species C. slhnicidl'ri Nelllnes tsinilis. s ld se linis 25-n en iluos. \rilli d ]itu -Ir n lis. nuuu i, nn rih s. ea.1.5 nun longis.. < atis differl.No~vN 16: 36,1-367. IPt BUisiilD N 7 No~VtVill i 2006.
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