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Two new species of Faramea (Rubiaceae, Coussareeae) from eastern Brazil PDF

2008·4.6 MB·English
by  Jardim
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Preview Two new species of Faramea (Rubiaceae, Coussareeae) from eastern Brazil

Two New Species of Faramea (Rubiaceae, Coussareeae) from Eastern Brazil Jomar G. Jardim Programa de Pos-graduagao em Botanica, Universidade Estadual de Feira de Santana, Av. Universitaria s.n.-LABIO, 44031-460, Feira de Santana, Bahia, Brazil, [email protected] Daniela C. Zappi Royal Botanic Gardens, Kew, Richmond, Surrey, TW 3AE, United Kingdom, [email protected] Abstract. As part of the fi rst author’s Ph.D. stu dies, two new species of FarameaAu blet, F. atlanticaJ. G. Jardim & Zappi and F. bicolorJ. G. Jardim & Zappi, are described from the Atlantic Forest of eastern Brazil. Both species are illustrated, and comments on differl; a F. corymbosa Aublet bracteis concavis semi- are provided. longis (nec 2-5 mm) ornatis. pedunculis 1- ad 3-radiatis (non jRdAJAd .oi euts lsbtGaIpu nln.mreb ittmuio,Jcc i.a eaF gri l.adr edooiFa mo ot eal ra lumeen&itss oat cltinraeco,Zdd amaodo dJp eu o.ppnd a aGitesB,ar .rtr cneisaJooo asansdvoir lsdoa .re sseidrm lAveaeea stmss&igctpvubar eoioadZtcss.aoai sesaps s pasd pioued a ae er Dl afFlFe uo.n saauotbr traoliaMocmrdogaaaldeiotasoaar,, cmtcs1e hyorocellTmsilmanetrtiletd;hyne er larilaslccdfm ,tuae siisrc nnieiltssadadoet tu a r6eo ttrra-e0uae9td.s le5 s-b.Xif2b nar r5 ostaemem2-nr,1.mn c52aht,l- l hii4lmmnney og bct tmt aahdtl,±t iel rr,ccbi dahuag narsplngrraeaetobu randralcoatoele;flru , eo pstlu;he.ft soote,bi l oSiroaolsatebchibnp eoetc0ouvuah.ulast5eehetssse-,,, to oblanceolate, apex 4-9 mm, apiculate, base cuneate, margin flat; secondary and tertiary venation visible adaxially, prominent abaxially. Inflorescences According to A ndersson (1992) and Govaerts et al. a terminal, reduced, pseudo-umbellate, 1- to 3- (2006), FarameaAublet (Rubiaceae, tribe Coussar¬ branched dichasium, 1- to 3-radiate peduncles eeae) comprises ca. 200 species distributed through¬ flattened and thickened, 1-1.5 cm, pale green; out the Neotropics from Mexico to northern Argentina. pedicel to 1 mm; bracts corolline, l',5--2.5 X 1.5— Govaerts et al. (2006) cite 123 species for Brazil, and, 2 cm, cordiform, concave, enveloping the flowers only of those, 74 occur in the eastern part of the country, 1/3, pale green, bracteoles inconspicuous. Flowers mostly in areas of coastal wet tropical or Atlantic presumably heterostylous, scented, anthesis noctur¬ nal; calyx tube 1 mm, apex truncate to shortly toothed, The present new discoveries stem from the ongoing colleters internally inserted at base; flowers with Ph.D. = by the first author, 1 i is preceded by white, hippocrateriform corolla, 7-12 i his M.Sc. thesis on Bahian Faramea(Jardim, 2003). Of slightly reflexed, camose; stamens the 16 species found in Bahia, two new endemic species inserted in the upper 1/3 of the tube, filaments were already treated (Jardim & Zappi, 2008). The two 0.5 mm, anthers 2.5-3 mm; style 3-4 mm, stigmas 1- species described here have a wider distribution 2 mm, internally papillose, nectar disk cylindrical further work i necessary i define their to annular. Fruits ca. 9 X 10 mm, oblate, sessile, i. The conservation status was calculated pale green, pericarp wrinkled, with a shortly toothed from the guidelines provided by IUCN (2001). calyx tube or displaying only the scar and the nectar 1. FaTrYamPEe: a Bartalazinl.t icBaa Jh.i aG: . IJtaarcdairme, &R Zoadp. piB, Rsp . 1n0o1v-. dgseieserkmd; icnpaay.t ri7eo nne X o cria6f.i cm8e mcXa, .o 92b l aXmte m,2 ,s. 5uo rbfmalamctee, ,sa llwimgrhoitnsltky lr eorduug,n odpsereed.¬ ; da BR101. Faz. Monte Alegre (Prop. Domingos Distribution and habitat. The Badaro), ca. 9 km da BR, 14°19'S, 39°15'W, 5 found in eastern Brazilian Atlantic Forest, in the doi: 10.3417/2006182 Novon 18: 67-71. Published on 27 February 2008. No von

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