A New Species of Leucheria (Asleraeeae, Mutisieae) from Chile Lilianl hKlil.as)ix isio;n Planitas \ asciilares. Musid <e La Plata, lPa.sco Idel H1ostque s/n,. 1 900F\\ A la IPlata. Argentina.
[email protected] Mlhirr, Crisiia TrielerLatboiratorio de SislenuiticOa y tio/loiga EIvolutiva (1.\AI511). MuseTo (l Iua Plata. Paseo <lel Iliice s/n. II()OO \' A a Plata. A-\rgentinal . mariall tlleriaii,'feini.un.ll.l dlu.ar ./orge \. C-ri.StiI)ivision Planlas \Vasculares y Laboralorio de Sisteniali.a v Iliologfau volutiva (IASBlk), Muiseode la Platla. Piase del osqitue s/n. 11900()()'\FW\A La Plala. Argentina. 'risci^aCcnyn.mtill.edu.ar'I' s l \x:ie. A Ine s-pecies of Leii /ch ri (1 l ai gasla(Astleracea(e, Mutisioae). L. irnim kiations. M. (C.Telleria & (:risci, willi glulinous hal>it ani(d yellowcorollus is describled a(nd illustrated. This would bethie only species \itlin ll eittch rid witlih ellow orollas.lThe pollenl of Ihi nicw species is also dhesrihed andilliisrailedl it tbelongs to the O().\p/iti/ltin Phililppiolle'n type) and lias simlilar characteri slis to oth(i rspecic s of l'i'he'riai. The i t\\v species appear, to leiorplh)lligically close Il L. opijotiidl IPhilippi, whiclhI b loLngs ID lihe relati.v ly ) priilllitie L. l(cialil.(Pi'eppig ex le ssing) licich ()e olutionarv line >of d(ry(en iroinmellts. e, wordcs: Astr(area' . (lChile. IL (N He( list. /L'echeri'a, Mutisicae. The geniius Le'iuheri( Iagasca com)rises 17 species <lislrilbuled irroi Peru1 I i the Falkland Islands (Islas Malvinas) in \Ar'g ilinia (Crisci. i9t7 )). 'l'lies plantls Ib long, to tllh sutiiheli Nassail iinae ( lAswtraf at,. tribe M ilisicae, or stil)lamilyl MIl tisioidtac: .Jeffrev. 2007: Kailias le al., i iipress). which is chiaraclerizi liv its generil a with capiilula florets all Iilatial; Ilh. styles cleft inio two t Iruncal ra iiiches. each branchli wilh ani apical crown of rouinit I l p pillae: anill h z inei of hlie plollen grains dislinilly bilaveredl. wvili tlhe ectsexine iand the en osexine clarlv colunirllale (Crisci. 1971: 'Ielleria et al.. 2003). The species (if l.'<'ierio are typically dislril iited in Ihe Andes, in e.xlra-\Al eaii areas of gChili, aid in thie IPaalgioiinii steppe. Le'ichri.i is dislingiisihd froxii oliher iinmembrs of Nassaiiuviinae by) ils herbaceous hablil, pialea in thel apitulia ofs soi species, iinvolure inl two or more series. glabirouis receptacle, florets rarely yellow, and capillary pappus in one series, firoentivetly plumnose.'The pollen grains of LeA.cheria are of hlle (J)7.\h//llmPhilippi pollen Iype. willi thie eclosexinie andeniosexinc of the same Ihic.kness. ,ipatiled b, alini inlirnal te luiini in zigzag. a chariacleristic sliarledwtillh tlie genera iNsi.n(tlti'j (Commersoni ex Jlssien,Triitilion Iuiz & Plavni. iand Po/ lch/ivr.s I~agas((Crisci. 1 7 1). IfReceni tii olcular studiies (kat.in s i tal.. 2008) show a sister reaili i ship betil, teen Ii n-clheri. ain /PolcrSI lir andi both lar sisier iofMloschtria Huiz & Pav6IIn. 'The sl)ecies described hIere-Le'clherii grout Kalic as, Mi . (. Tellgeria i (; ri.si-was r lisc. over around ,Launa del Mallu e in cienltral Chi.le, iuriin a color tof . (le coro'las, ta er , rare Ieatre since all lth species ol l'chelri . I descrilbe( ill now il ve whil .te pink. l red, purple, or blueu corollfas. Also. L. r.i is oi of llhe few species of l/'icherit i coverld exc(il-sively willh glandular hairs,. since most species have while laoise pubescence (freqiuetilly the nonglanidular hairs are miixed wilh glandilar hairs). L uilchcria grani Kalinas. M. (:. Tellerfa & (risci. Sl). nov. 'T'Yl : Chile. IRegion VII. P'rov. MVlaile: I.agiima del 1Maule. ru( s al O (de la laguina. 2300()() In. 25 JA . 181. (. Grani 2.2937 (liholoty|. I.IP: isolp)es, CON( . M nol seen). Figures 1. 2. Ah I w/ <luri. iipi ni/ lii 'ihili|pp>i dtiff'rit olii loif s |prtunr i lis.,angl lliriblis. floribus ,50 ad l (). t flavescentibus, iel firuclustrichoe n tilbul s distinclus cx c'lluli-, I romposiiis. IPe'rennial. catlescetil icr)s. 15-30 mi tall. stlemsistrial . densely glandulose. lIeaves simple. h)i)iniiali-secl. basal leaves in a roselt . upper leaes alternalte.hlirlcettous, denselv glandulh se on b)othi srfaces.glandular hairs uniseriate, margin pilanate. sessile.pseudopeliolate, pini alely veined, veins conspiei.iousN()\vON 18: 36 3(00. IP tiH.iiFi) i 2 Si'I Mt ilt;II 2008.Joi: 10.3417/2006108
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