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In Brazil Author(S): Ana Paula Fortuna-Perezana Maria Goulart De Azevedo Tozzi Source: Novon: a Journal for Botanical Nomenclature, 21(3):331-337

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In Brazil Author(S): Ana Paula Fortuna-Perezana Maria Goulart De Azevedo Tozzi Source: Novon: a Journal for Botanical Nomenclature, 21(3):331-337 Nomenclatural Changes for Zornia (Leguminosae, Papilionoideae, Dalbergieae) in Brazil Author(s): Ana Paula Fortuna-PerezAna Maria Goulart de Azevedo Tozzi Source: Novon: A Journal for Botanical Nomenclature, 21(3):331-337. 2011. Published By: Missouri Botanical Garden DOI: http://dx.doi.org/10.3417/2010040 URL: http://www.bioone.org/doi/full/10.3417/2010040 BioOne (www.bioone.org) is a nonprofit, online aggregation of core research in the biological, ecological, and environmental sciences. BioOne provides a sustainable online platform for over 170 journals and books published by nonprofit societies, associations, museums, institutions, and presses. Your use of this PDF, the BioOne Web site, and all posted and associated content indicates your acceptance of BioOne’s Terms of Use, available at www.bioone.org/ page/terms_of_use. Usage of BioOne content is strictly limited to personal, educational, and non- commercial use. Commercial inquiries or rights and permissions requests should be directed to the individual publisher as copyright holder. BioOne sees sustainable scholarly publishing as an inherently collaborative enterprise connecting authors, nonprofit publishers, academic institutions, research libraries, and research funders in the common goal of maximizing access to critical research. Nomenclatural Changes for Zornia (Leguminosae, Papilionoideae, Dalbergieae) in Brazil Ana Paula Fortuna-Perez Departamento de Biodiversidade, Evolu¸cao˜ e Meio Ambiente, Universidade Federal de Ouro Preto, Campus Morro do Cruzeiro–ICEB, Ouro Preto, Minas Gerais, CEP 35.400-000, Brazil Author for correspondence: [email protected] Ana Maria Goulart de Azevedo Tozzi Departamento de Biologia Vegetal, Universidade Estadual de Campinas, P.O. Box 6109, Campinas, Sao˜ Paulo, CEP 13.083-970, Brazil ABSTRACT. While studying the species of Zornia J. species in the two genera Zornia and Myriadenus, F. Gmel. (Leguminosae, Papilionoideae, Dalbergieae) accepted this distinction. However, Vogel (1830) from Brazil for taxonomic revision of the genus, eight considered nine species of Zornia and, counter to lectotypifications are proposed: Hedysarum bifolium Desvaux (1813), included in Zornia both species with Vell., Z. diphylla (L.) Pers. var. bernardinensis solitary flowers and those with more. This treatment Chodat & Hassl., Z. diphylla var. elatior Benth., Z. was later followed by Bentham (1859), Moricand diphylla f. ciliata Chodat & Hassl., Z. myriadena (1844), and others. More than 30 species of Zornia Benth., Z. perforata Vogel, Z. reticulata Sm., and Z. were described when Bentham (1859) treated the sericea Moric., as well as two neotypifications for Z. genus for Martius’s Flora Brasiliensis, where only brasiliensis Vogel and Z. ovata Vogel. A new eight species were accepted, divided between the two combination, Z. vichadana (Killip ex Mohlenbr.) sections Zornia sect. Myriadenus (Desv.) Benth., and Fort.-Perez & A. M. G. Azevedo is proposed, based Zornia sect. Zornia. Bentham (1859) synonymized upon Z. pardina Mohlenbr. var. vichadana Kilip ex various species with Z. diphylla (L.) Pers. and Mohlenbr. Eighteen new synonymizations are also established 14 infraspecific taxa within this species. included. The most recent monograph for the genus was done Key words: Brazil, Dalbergieae, Leguminosae, by Mohlenbrock (1961), who recognized two infra- Neotropics, Papilionoideae, Zornia. genera as Zornia subg. Myriadena (Desv.) Mohlenbr. and Zornia subg. Zornia, differentiated by their floral The genus Zornia J. F. Gmel. (Leguminosae, morphology, with the flowers solitary and pedicellate, Papilionoideae) comprises approximately 75 to 80 or sessile to subsessile in inflorescences, and by the species from the tropics and subtropics (Mohlen- number of leaflets per leaf as four, or two or four, brock, 1961; Rudd, 1981; Klitgaard & Lavin, 2005). respectively. According to a recent molecular study carried out by During the revision of Zornia for Brazil by Lavin et al. (2001), the genus is included in the Fortuna-Perez (2009), more than 3000 accessions informal Adesmia DC. clade of the tribe Dalbergieae were analyzed through visits to European and s.l., based on DNA sequences from the chloroplast Brazilian herbaria and loans from elsewhere, includ- trnK (including matK) and trnL introns, and the ing AHUC, B, BHCB, BM, BR, CEN, CEPEC, nuclear ribosomal 5.8S and flanking internal tran- CGMS, CTES, ESA, F, FHO, G, GH, H, HRCB, scribed spacers 1 and 2. The genus Zornia is HST, HUEFS, IAC, IAN, IBGE, ICN, INPA, INTA, morphologically characterized by a pair of peltate IPA, K, LIL, M, MBM, MEXU, MG, MICH, MO, bracteoles similar to the stipules that surround each MVM, NY, OXF, P, PACA, PAMG, PEUFR, RB, S, flower, the 2- or 4-foliolate leaves, and the stems that SI, SP, SPF, UB, UEC, US, W, Y, and Z. As part of are normally branched and woody at the base. this revision, 36 species were recognized, eight The genus Zornia was established by Gmelin names have been found to be in need of lectotypi- (1791) based on Z. bracteata J. F. Gmel. After fication, and 18 names are proposed as new studying this species that presents solitary flowers, synonyms. Two neotypes are designated because Desvaux (1813) proposed a new genus, Myriadenus the holotype was destroyed or lost and there are no Desv., describing M. tetraphyllus (L.) Desv. De known isotypes, and one new combination is Candolle (1825), who published descriptions for both proposed. doi: 10.3417/2010040 NOVON 21: 331–337. PUBLISHED ON 9SEPTEMBER 2011. 332 Novon LECTOTYPIFICATIONS,SYNONYMIZATIONS, AND Zornia reticulata Sm. var. elongata Vogel, Linnaea 12: 58. NEOTYPIFICATIONS 1838, syn. nov. TYPE: Brazil. 1841, F. Sellow s.n. (holotype, K). Zornia J. F. Gmel., Syst. Nat., ed. 13 [bis] 2(2): Notes. Mohlenbrock (1961) synonymized Zornia 1076, 1096. 1791 [1792], non Zornia Moench, reticulata var. glabra Vogel and Z. reticulata var. Methodus 410. 1794, nom. illeg. superfl. TYPE: elongata Vogel with Z. reticulata Sm., without further Zornia bracteata J. F. Gmel. explanation. Our analysis of the type material clearly Myriadenus Desv., J. Bot. Agric. 1: 121. 1813. TYPE: indicated that Vogel’s two varieties correspond to Myriadenus tetraphyllus (L.) Desv. variation accepted for the species Z. burkartii, since they have caducous leaves and an erect habit. 1. Zornia brasiliensis Vogel, Linnaea 12: 62–63. Bentham (1859) synonymized Zornia reticulata 1838, as ‘‘Brasiliensis.’’ TYPE: Brazil. Espı´rito var. glabra to Z. diphylla, but Z. diphylla is Santo, Colatina, 28 Jan. 1997, M. M. Arbo. et al. characterized by loments with four articles, and by 7767 (neotype, designated here, NY). the articles 4.5–5 3 3.5–4 mm, without reticulation, glabrous, glandular, with numerous bristles 1.5–3.5 Zornia brasiliensis Vogel var. adenocarpa L. P. Queiroz, Bol. Bot. Univ. Sao˜ Paulo 16: 108–109. 1997, syn. mm long. Zornia burkartii differs in having loments nov. TYPE: Brazil. Minas Gerais: Grao-Mogol,˜ 10 with four to seven articles, and by the articles 2–3 3 Dec. 1989, P. T. Sano et al. 12384 (holotype, SPF; 1.8–2 mm, reticulate, pubescent, eglandular, with isotype, HUEFS, K). bristles 0.5–1.5 mm long. Notes. When Vogel (1838: 63) described Zornia 3. Zornia cryptantha Arechav., Anales Mus. Nac. brasiliensis, he cited the collection Sellow s.n. (Brazil. Montevideo 3: 358. 1901. TYPE: Uruguay. ‘‘inter Campos et Victoria,’’ s.d.), which was Tacuarembo´, s.d., P. Pintos s.n. (holotype, deposited at the Berlin Herbarium. Because none of MVM 5362). Sellow’s material has been found that corresponded to Z. brasiliensis, the type collection is presumed Zornia cryptantha Arechav. var. latibracteata Vanni, destroyed and a neotype is proposed for the name Bonplandia (Corrientes) 5: 180–181. 1981, syn. nov. TYPE: Argentina. Corrientes: Dep. Lavalle, 3 km de here. The locality of the original type collection Yataity Calle, Rt. 120, 25 Nov. 1979, A. Schinini, R. corresponds to the Vale do Rio Doce region, located Vanni & G. Normann 19140 (holotype, CTES). mainly in Espı´rito Santo state. The collection designated as neotype, Arbo et al. 7767, was collected Notes. Vanni (1981) designated the variety latibracteata within Zornia cryptantha, justifying that in the Vale do Rio Doce region and is deposited at it differed from the typical variety based on its wider NY. The chosen specimen is characterized by the bracteoles (7–11 mm wide vs. 7–10 mm wide in Z. obovate leaflets that are cuneate at the base; the cryptantha), oval bracteoles (vs. oval to oval-lanceo- absence of auricles at the bracteoles; the asymmet- late in Z. cryptantha), and the upper leaflets (30–)39 rical bracteoles; the pubescent articles of the loment mm long (vs. 22–42 mm long in Z. cryptantha). Our that lack reticulation, and the loment similar to those analysis of the type material clearly indicates that this in Desmodium. These morphological aspects of the variety corresponds to variation accepted for the specimen confirm the neotype as representative of Z. species Z. cryptantha. brasiliensis. Queiroz (1997) designated a new variety for Zornia 4. Zornia curvata Mohlenbr., Webbia 16(1): 132, brasiliensis (Z. brasiliensis var. adenocarpa), justifying figs. 62, 91. 1961. TYPE: Venezuela. Cotiza, this variety as different based on the loments with near Caracas, 8 July 1917, H. F. Pittier 7241 glands. However, our comprehensive study revealed (holotype, US; isotype, GH not seen). that this characteristic occurred throughout the species, varying only in the number of the glands. Zornia gavilanesii Brandao˜ & Sousa Costa, Daphne 1(1): 5. 1990, syn. nov. TYPE: Brazil. Minas Gerais: Pouso Alegre, 5 Nov. 1984, M. Brandao˜ 10923 (holotype, 2. Zornia burkartii Vanni, Bonplandia (Corrientes) RB; isotype, PAMG). 5(20): 175. 1981. TYPE: Argentina. Corrientes: Zornia amaralaensis Brandao,˜ Daphne 4(3): 5. 1994, syn. Ituzaingo´, Playadito, 24 Sep. 1974, A. Krapo- nov. TYPE: Brazil. Minas Gerais: Carneirinhos, 7 May 1975, M. Brandao˜ 906 (holotype, PAMG). vickas et al. 26354 (holotype, CTES). Zornia reticulata Sm. var. glabra Vogel, Linnaea 12: 58. Notes. Our analysis of the type material for the 1838, syn. nov. TYPE: Brazil. 1841, F. Sellow s.n.
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