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Caldasia

Print version ISSN 0366-5232

Caldasia vol.42 no.1 Bogotá Jan./June 2020

https://doi.org/10.15446/caldasia.v42n1.76771 

Botánica

Chorological and nomenclatural notes on Peruvian Carex (Cyperaceae)

Notas corológicas y nomenclaturales sobre Carex (Cyperaceae) del Perú

Pedro Jiménez-Mejías1 

José Alegría-Olivera2  3 

Hamilton W. Beltrán4 

Asunción Cano4  5 

Arturo Granda-Paucar2 

Mónica S. Maldonado Fonkén3 

Sebastián Riva-Regalado4 

Barbara Ruthsatz6 

Marcial Escudero7  * 

1 Department of Biology (Botany), Universidad Autónoma de Madrid, Madrid, Spain pjimmej@gmail.com

2 Herbario del Departamento de Biología, Facultad de Ciencias, Universidad Nacional Agraria La Molina, Av. La Molina s/n, apartado 12-056, Lima 12, Perú. grmnjj@gmail.com, lamiaster@hotmail.com

3 División de Ecología Vegetal - CORBIDI, Lima, Perú. mmaldonado@corbidi.org

4 Universidad Nacional Mayor de San Marcos, Museo de Historia Natural, Lima, Perú hbeltrans_ac@unmsm.edu.pe, acanoe@unmsm.edu.pe, sebastianriva@gmail.com

5 Universidad Nacional Mayor de San Marcos, Instituto de Investigación de Ciencias Biológicas Antonio Raimondi, Lima, Perú.

6 Universitát Trier-FB VI Geobotanik, D 54286, Trier, Germany. ruthsatz@uni-trier.de

7 Deparment of Plant Biology and Ecology, University of Seville, Seville, Spain. amesclir@gmail.com


ABSTRACT

Here we present relevant records of nine species of the genus Carex (Cyperaceae) new for Peru: C. amicta, C. brehmeri, C. camptoglochin, C. enneastachya, C. livida, C. maritima, C. ownbeyi, C. ruth-satzae, and C. vallis-pulchrae. We perform the lectotypification of the names Carex camptoglochin, C. amicta and C. confertospicata.

Keywords: Carex; Chorology; Cyperaceae; Peru; systematics; taxonomy

RESUMEN

En este estudio se reconocen nueve registros nuevos de especies del género Carex (Cyperaceae) para la flora del Perú: C. amicta, C. brehmeri, C. camptoglochin, C. enneastachya, C. livida, C. maritima, C. ownbeyi, C. ruthsatzae y C. vallispulchrae. También hemos realizado la lectotipificación de los nombres Carex camptoglochin, C. amicta y C. confertospicata.

Palabras clave: Carex; Corología; Cyperaceae; Perú; sistemática; taxonomía

INTRODUCTION

Carex is one of the largest genera of angiosperms with ca. 2000 species (e.g., Global Carex Group 2015, 2016, Martín-Bravo et al. 2019). It has mainly a circumboreal distribution with about 200 species reaching the South American continent. Recent works on taxonomy, choro-logy, and nomenclature of the Neotropical species of the genus Carex have resulted in significant changes on the species delimitation or distribution of quite a few taxa (Jiménez-Mejías and Escudero 2016, Jiménez-Mejías and Roalson 2016, Jiménez-Mejías et al. 2016a, 2018, Poindexter et al. 2017, Jiménez-Mejías and Reznicek 2018, Jiménez-Mejías et al. in press).

This publication is the result of an extensive study of specimens in the main Peruvian herbarium collections. Here we present relevant chorological and nomenclatural data for nine species new for Peru, as well as taxonomic notes on some species.

MATERIALS AND METHODS

Material of the following Peruvian herbaria was studied: CPUN, HSP, HUT, MOL, and USM (acronyms according to Index Herbariorum; Thiers c2019). High resolution images of type material available on the Internet were studied from the collections of BM, K, LPB, and SGO. In addition, a few type specimens were studied directly during visits to the collections of MICH, NY, and US.

Specimens were determined using the specialized taxonomic literature cited under each taxon. The species are presented in alphabetical order following the names accepted in the World Checklist of Cyperaceae (Govaerts et al. c2019). The terminology of the inflorescence prophylls (utricles and cladoprophylls) follows the suggestions in Jiménez-Mejías et al. (2016b).

RESULTS AND DISCUSSION

Carex amictaBoott, Ill. Gen. Carex 4: 131. 1867.

Lectotype (here designated): Paramo de Cuchero [Páramo de Cachirí], N. Granada 1845, W. Purdie s.n. (Herbarium Hookerianum) (K barcode 000584609 digital image!; isolectotype: K barcode 000584608 digital image!).

Iconography: Boott (1867: tab. 421)

Material studied. PERU. Cajamarca: Celendín, Laguna Azul, 3706 m, 6 Apr 1994, G. Vilcapoma & J.J. Alegría 7380 (MOL-15907).

Notes: Carex amicta is an Andean endemic species previously known from Venezuela to Ecuador. Here we cite it for the first time for the department of Cajamarca in Peru, which becomes the southernmost limit of the species range. The dwarf Carex amicta, a species that dwell in páramos, is an atypical member of the formerly recognized subgenus Vigneastra (now known to be nested within sub-genus Carex;Global Carex Group (2016) and references therein), mainly constituted by large species from tropical humid forests with open panicle-like inflorescences and fertile cladoprophylls.

We conclude that the type locality of this species, Páramo de Cuchero, belongs to some place in Colombia following Ewan (1948) whom describes the travel itinerary of Purdie between 1845 and 1846 indicating that he visited the northern part of the country with no reference to Venezuela or Ecuador or any other place south to Bogotá. This locality is listed as Colombia, Santander by the Missouri Botanical Garden database (Magill et al. c2019) without any further information and does not appear in the official colombian gazeteer (IGAC 1996).

Carex brehmeriBoeckeler, Allg. Bot. Z. Syst. 2: 190. 1896.

Lectotype (designated by Jiménez-Mejías et al. 2016a): BOLIVIA. Larecaja, vicinis Sorata, Cochipata, 3200 m, Dec 1884, G. Mandon 1427 (NY barcode 00011459!; isolecto-types: MICH barcode 1109115!, NY barcode 00011460!).

Material studied. PERU. Cajamarca: Cajamarca, Quebrada Pampa Larga, al Norte de las Minas Yanacocha, 4950 m, 5 Mar 1994, I. Sánchez & M. Cabanillas 6829 (CPUN-12486).

Notes: Specimens cited here, belonging to section Phacocystis, are dwarf sedges with stems much shorter than the leaves. Carex sect. Phacocystis was previously unrecorded from Peru and has a quite confusing taxonomy in South America that has often led to wrong taxonomic determinations and misapplication of names, e.g. see the cases of C. azuayae Steyerm. and C. enneastachya C.B. Clarke in Wheeler (1998), and C. decidua Boott and C. brehmeri in Dragon and Barrington (2009). While more biosystematic data is available, we consider that the application of the name C. brehmeri to these dwarf plants is the best possible solution (see also the record of C. brehmeri in Jiménez-Mejías et al. 2016a).

There is a discrepancy between the altitude indicated in the protologue ("3100") by Boeckeler (1896) and that provided on the type collection labels ("3200"). Beyond that, the specimens selected as types are certainly original materials of C. brehmeri.

Carex camptoglochin V.I. Krecz., Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk S.S.S.R. 7: 34. 1937.

Carex oliganthaBoott, Ill. Gen. Carex 4: 174. 1867, nom. subs., non C. oligantha Steud., Syn. Pl. Glumac. 2: 203. 1855.

Lectotype (first step lectotypification designated by Wheeler and Guaglianone 2003): CHILE. Orange Harbour, Fue-gia, Capt. Wilkes Exploring Expedition s.n.; second-step lectotypification (here performed): K barcode 000098447 digital image!; isolectotypes: GH barcode 00101839 digital image!; K barcode 000999226 digital image!; LE barcode 00010338 digital image!; US barcode 00087249 digital image!).

Iconography: Wheeler and Guaglianone (2003: 196, fig. 1).

Material studied. PERU. Cajamarca: Celendín, Minas Conga, sector El Águila, 3700-3800 m, 04 Oct 2005, A. Granda 2511 (MOL); Celendín, Minas Conga, Cocañes, 3880-3900 m, 04 Oct 2005, A. Granda 2504 (MOL); Celendín, Minas Conga, Huaylamachay, 3650-3700 m, 1 Oct 2005, A. Granda 2474 (MOL); Celendín, Laguna Azul, 3600-3700 m, 5 Oct 2005, J.J. Alegría 2051 (MOL); Celendín, Laguna Azul, 3600-3700 m, 6 Oct 2005, J.J. Alegría 2065 (MOL).

Notes: A South American endemic species previously believed to be closely related to the superficially resembling C. microglochin Wahlenb. Recent phylogenetic studies (Escudero et al. 2010, Gehrke et al. 2010, Global Carex Group 2016) have demonstrated that C. camptoglochin is allied to the species belonging to the sections Aciculares and Junciformes, two groups that are mainly distributed in South America and with a few disjunct species in New Zealand (Global Carex Group 2016).

Carex enneastachya C.B.Clarke, Bull. Misc. Inform. Kew, Addit. Ser. 8: 70. 1908.

Holotype: COLOMBIA ["Columbia"], Jameson 2 (K barcode 000584607 digital image!).

Material studied. PERU. Áncash: Recuay, Laguna de Querococha, 4050 m, 23 May 1970, A. López & A. Sagástegui 7516 (HUT). Cajamarca: Hualgayoc, entre Cajamar-ca y Hualgayoc, 3750 m, 16 Nov 1974, I. Sánchez Vega & J. Sánchez Vega 1339 (CPUN-670).

Notes: Carex enneastachya is another species of the section Phacocystis new for the Peruvian flora. Its presence in Peru has geographical sense since this species had already been recorded in Ecuador and Bolivia (Govaerts et al. c2019). In contrast with the materials that we cited above under C. brehmeri, these specimens are tall plants with elongated stems and several cylindrical spikes, and therefore easily identified as C. enneastachya.

Carex livida (Wahlenb.) Willd., Sp. Pl. 4: 285. 1805.

Carex limosa var. livida Wahlenb., Kongl. Vetensk. Acad. Nya Handl. 24: 162. 1803.

Lectotype (designated by Moberg and Nilsson 1991): Lap-ponia Tornensis, paroc. Enontekis, 1800, G. Wahlenberg s.n. (UPS barcode V-050198 digital image!); isolectotypes: BM 001067075 digital image!; LD barcode 1776619 digital image!; LE barcode 00010280, barcode 00010281, barcode 00010282 digital image!; UPS barcode V-135399 not seen).

=Carex confertospicata Boeckeler, Bot. Jahrb. Syst. 8: 206. 1887.

Lectotype (here designated): COLOMBIA. Am Bordoncillo, 3200 m, 20 Feb 1881, F. C. Lehmann 573 (BM barcode 000617145 digital image!).

Iconography: Ball and Reznicek (2002: 429).

Material studied. PERU. Huánuco: Lauricocha, San Miguel de Caurí, Oconal de Añaspampa, 3915 m, 8 Oct 2002, F. Salvador et al. 474 (USM). La Libertad: Pataz, Puerta del Monte, ruta de Huaylillas, 3200 m, 22 May 1961, A. López & A. Sagástegui 3453 (HUT); Pataz, Parcoy, cercanias del puesto de vigilancia de Ventanas, 3770-3950 m, 6 Jun 2001, B. León et al. 5043 (USM). San Martín: Mariscal Cáceres, Huicungo, valle de Ruibarbos, 3600-3640 m, 7o 58' 30'' S 77o 22' 8'' W, 12 Jun 2001, B. León &K. Young 5178 (USM); Mariscal Cáceres, Pastizales de La Empedrada, 3750-3785 m, 27 Jul 2000, B. León &K. Young 4582 (USM); Mariscal Cáceres, Puerta del Monte, NW corner of Rio Abiseo National Park, 3450 m, 10 Jul 1987, K. Young & B. León 4338 (USM); Mariscal Cáceres, campamento chochos y laguna de Chochos y alrededores en el P. N. del Rio Abiseo, 3200-3600 m, 27 Jun 1996, A. Cano et al. 7345 (USM).

Notes: A mainly circumboreal species showing a striking trans-Caribbean disjunction, being present in the mountains of Panama and northern South America. This remarkable disjunction pattern is shared with four other species of Carex, i.e., C. buxbaumii Wahlenb., C. leptalea Wahlenb., C. limosa L., and C. lurida Wahlenb. (Jiménez-Mejías et al. 2018). Here we present the southernmost records of the species, confirming its presence in Peru.

The Neotropical populations of C. livida were considered a different species called C. confertospicata (Govaerts and Simpson 2007). However, the careful comparison with Northern Hemisphere materials of C. livida reveals that there are no differences between the Boreal and Neotropical populations (Reznicek pers. comm., Jiménez-Mejías pers. obs.). Accordingly, we agree in considering the name C. confertospicata as a heterotypic synonym of C. livida.

Carex maritima Gunnerus, Fl. Norveg. 2: 131. 1776.

Lectotype (designated by Jorgensen 2012: 1090): Oeder, Fl. Dan. 3(8): t. 432. 1769. Epitype (designated by Bakken et al. 2011: 122): NORWAY. Finnmark, Mâsoy, Maasoe, 27 Jun 1767, J. E. Gunnerus s.n. (TRH V-44006 photo!).

Iconography: Barros (1969: 17, sub C. incurva Lightf.); Wheeler (2009: 330).

Material studied. PERU. Arequipa: Laguna Las Salinas, 16o 20.95' S, 71o 8.67' W, 4315 m, 3 Nov 1998, H. Bel-trán et al. 3173 (USM-200014).

Notes: Carex maritima is a bipolar species present at high latitudes of both the Northern and Southern Hemispheres, whose remarkable disjunction seems to date back to the Pleistocene (Escudero et al. 2010, Villaverde et al. 2015).

Our records from Peru constitute the new northernmost occurrences of the species in the Southern Hemisphere.

Carex ownbeyi G.A.Wheeler, Darwiniana 40: 200. 2002.

Holotype: BOLIVIA, Cochabamba, Quillacollo Prov., "camino Sipe Sipe-Lipichi", 3800 m, 9 Apr 1990, I. Hensen 731 (MIN; isotype: LPB barcode 0000242 digital image!).

Iconography: Wheeler (2002a: 202, fig. 2C-D).

Material studied. PERU. Ayacucho: Cangallo, Dist. Los Morocuchos, a 8.6 km al SO de Condorcocha, 3380 m, C. Tejada 287 (HSP). Junín: Yauli, La Oroya, Paccha, 4207 m, 7 May 2011, H. Beltrán 7160 (USM).

Notes: Until recently, C. ownbeyi was known only from its type locality / the locus classicus in Bolivia (Wheeler 2002a). The additional records from northern Argentina (Jiménez-Mejías et al. 2016a), Colombia (Jiménez-Mejías et al. 2018), and now Peru confirm that this species is much more widespread through the Andes than previously believed and much under-collected.

Carex ruthsatziae G.A.Wheeler, Darwiniana 40: 191. 2002. ["ruthsatzae"]

Holotype: BOLIVIA, Dpto. Oruro, Prov. Sajama, Payach-atas, 4420 m, 27 Jan 1999, B. Ruthsatz & S. Budde 10216 (MIN not seen; isotype: LPB barcode 0000244 digital image!).

Iconography: Wheeler (2002b: 194, fig. 2A, Bf, C).

Material studied. PERU. Pasco: Pasco, along the road between Carhuamayo and Cerro de Pasco, 4100 m, W. Morawetz &B. Wallnõfer 44-16985 (USM).

Notes: Third species of section Abditispicae reported for Peru, after C. collumanthus (Steyerm.) G.A. Wheeler (Wheeler 2002b) and C. humahuacaensis G.A. Wheeler (Salvador et al. 2009). Carex section Abditispicae comprises dwarf sedges growing at high altitudes in the Andes or Southern Patagonia. Its complex taxonomy strongly diffi-cults the identification of the individuals. The occurrence of C. ruthsatziae in Peru is not surprising since it was known from a Bolivian locality pretty close to the Peruvian border.

Carex ruthsatziae closely resembles C. humahuacaensis, from which it can easily be distinguished by its glumes (dark reddish-brown, obtuse to acute glumes in C. ruth satziae vs. orange to stramineous with acuminate tips in C. humahuacaensis) and its narrower leaves (up to 1.5 mm in C. ruthsatziae vs. 1.2-3.5 mm in C. humahuacaensis) (Wheeler 2002b).

Despite C. ruthsatziae was synonimized with C. maritima Gunn. by Jorgensen et al. (2014), molecular data (Martín-Bravo et al. 2019) has shown both species as distinct (Jiménez-Mejías et al. in press).

Carex vallis-pulchrae Phil., Anales Univ. Chile 93: 487. 1896.

Lectotype (designated by Wheeler 1989): CHILE, Valle Hermoso, 1872, P. Ortega s.n., (SGO barcode 000000893, digital image!; isolectotype: SGO barcode 000000894 digital image!); syntypes: CHILE, Cordillera de Colcha-gua, 1888, R.A. Philippi s.n. (K barcode 000584710 digital image!; US barcode 02141441!).

Iconography: Barros (1969: 74).

Material studied. PERU. Arequipa: Chivay, Tutin a Ram Ram, 13 Jan 1999, B. Ruthsatz 10105 (Herbarium Trier University!; LPB!, UPOS!). Huancavelica: Huan-cavelica, Tucumachay, bofedal de Lachocc, 4300 m, 23 Oct 2018, J. Curasma s.n. (MOL). Lima: Huarochirí, San Lorenzo de Quinti, sector Huachipampa, 4633 m, 30 Mar 2018, M. S. Maldonado Fonkén s.n. (MOL).

Notes: Carex vallis-pulchrae is a species belonging to the taxonomically complex group known as section Aciculares. The species is disjunctly distributed in Southern Patagonia (including Tierra del Fuego), the High Andes of central Chile and Argentina, and the Central Andes of Bolivia and Peru (Wheeler 1989, Wheeler and Beck 2011). Wheeler (1989) established two varieties, i.e., var. vallispulchrae restricted to High Andean territories and var. barrosiana G.A.Wheeler for Patagonian populations, both distinguished by minor features of the utricles (more or less abruptly contracted into the beak vs. gradually attenuated). Remarkably, the Bolivian and Peruvian populations seem to be morphologically close to var. barrosiana (the utricle is tapered into the beak). Further studies are necessary to figure out if these Central Andean populations actually belong to var. barrosiana or if those constitute a new variety.

ACKNOWLEDGMENTS

We would like to thank anonymous reviewers and associated editor for helpful comments on the manuscript; to the curators and staff of CPUN, HSP, HUT, MICH, MOL, NY, US, and USM for assistance when studying their collections; to M. Hjertson, curator of UPS, for sending us high-resolution images of the type material of C. livida; and to A. A. Reznicek for his kind invitation to visit MICH collection and a discussion about the taxonomic status of the Neotropical C. livida populations. This project has been funded through a "Beca Iberoamérica Jóvenes Profesores e Investigadores del Programas de movilidad del Banco Santander" fellowship towards ME, and a postdoctoral fellowship of the Smithsonian Institution towards PJ-M. MSMF and JJAO would like to acknowledge Patronato de la Reserva Paisajística "Nor Yauyos Cochas" for funding support.

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Citation: Jiménez-Mejías P, Alegría-Olivera JJ, Beltrán HW, Cano A, Granda-Paucar A, Maldonado Fonkén MS, Riva-Regalado S, Ruthsatz B, Escudero M. 2020. Chorological and nomenclatural notes on Peruvian Carex (Cyperaceae) Caldasia 42(1):63-69. doi: https://dx.doi.org/10.15446/caldasia.v42n1.76771

AUTHOR'S CONTRIBUTION PJM and ME planned and coordinate this study; PJM and ME studied plant materials with additional contributions from the rest of the authors; JJAO, PJM and ME drafted the manuscript. All authors contributed to improving the final version of the manuscript.

CONFLICT OF INTEREST The authors declare that they have no conflict of interest.

Received: December 13, 2018; Accepted: November 28, 2019

* Autor para correspondencia: amesclir@gmail.com

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