Two new combinations in Euploca Nutt. (Heliotropiaceae, Boraginales) and a conspectus of the species of the Guiana Shield area

Feuillet, Christian

doi:10.3897/phytokeys.61.6260

Cited by 11 publications

(9 citation statements)

References 22 publications

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“…As espécies de Euploca apresentam hábito herbáceo ou arbustivo, geralmente com frutos secos (Feuillet 2016). As flores bissexuadas são arranjadas em inflorescências escorpioides ou menos frequentemente solitárias (Melo & Semir 2010).…”

Section: Euploca Nuttunclassified

“…Distribui-se na América do Sul: Brasil, Guiana e Venezuela (Feuillet 2016). No Brasil havia registro somente para os estados de Goiás e Minas Gerais, principalmente em áreas de cerrado lato sensu (BFG 2015).…”

Section: Chave De Identificação Das Espécies Deunclassified

“…Euploca lagoensis é diferenciada das demais espécies do gênero, especialmente as que possuem flores solitárias e tubo da corola amarelo e lacínios alvos, como em E. humistrata, por um conjunto de características, tais como os ramos pubérulos, as flores longamente pediceladas, supra-axilares e ausência de apêndices entre os lacínios da corola. Ocorre no México, América Central, Suriname, Guiana Francesa, Venezuela e Brasil (Feuillet 2012(Feuillet , 2016. No Brasil há registros para a região Norte (Amazonas e Pará), Nordeste (Ceará, Paraíba, Piauí e Rio Grande do Norte), Centro-Oeste (Goiás e Mato Grosso do Sul) e Sudeste (Minas Gerais e São Paulo), associada a vegetações de Caatinga stricto sensu, Cerrado lato sensu, Floresta de Várzea e Savana Amazônica (BFG 2015).…”

Section: Euploca Lagoensis (Warm) Dianeunclassified

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Flora das cangas da Serra dos Carajás, Pará, Brasil: Heliotropiaceae

Watanabe

Hiura

2018

Rodriguésia

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Section: Euploca Nuttunclassified

Section: Chave De Identificação Das Espécies Deunclassified

Section: Euploca Lagoensis (Warm) Dianeunclassified

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Flora das cangas da Serra dos Carajás, Pará, Brasil: Heliotropiaceae

Watanabe

Hiura

2018

Rodriguésia

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“…El género Euploca es frecuentemente utilizado en la literatura taxonómica actual (por ejemplo Melo & Semir, 2010;Degen Naumann & Melo, 2012;Feuillet, 2016 (Förther, 1998) como por Melo & Semir (2009: 288). El tipo se encuentra en G, donde se conservan varios sintipos correspondientes a la misma colecta (Hassler 4761).…”

Section: Clave Para Los Géneros De Heliotropiaceae En Argentinaunclassified

Los géneros de Heliotropiaceae en Argentina

Luebert¹

2017

Bol. Soc. Argent. Bot.

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Resumen: La delimitación genérica dentro de Heliotropiaceae ha sufrido cambios en el último tiempo que no son recogidos en publicaciones taxonómicas recientes sobre el grupo en Argentina. En este trabajo se actualiza la taxonomía de los géneros argentinos de Heliotropiaceae y se enumeran las especies aceptadas en cada uno de ellos. Se proporciona una breve descripción para cada género y una clave para diferenciarlos. Los géneros de Heliotropiaceae aceptados en este trabajo son Euploca, Heliotropium, Ixorhea y Myriopus, todos presentes en Argentina. Se designan lectotipos para Heliotropium hasslerianum (≡Euploca hassleriana) y Heliotropium patagonicum y se propone la nueva combinación Heliotropium lilloi (basada en Tournefortia lilloi) para completar el cuadro taxonómico de la familia en Argentina.Palabras clave: Boraginaceae, Boraginales, Heliotropium, Taxonomía, Tournefortia Summary: The genera of Heliotropiaceae in Argentina. The generic delimitation within Heliotropiaceae has changed in the past years. However, these changes are not reflected in recent taxonomic publications on the group in Argentina. In this contribution, the taxonomy of the genera of Heliotropiaceae in Argentina is updated and all accepted species are enumerated. Brief generic descriptions and a key to distinguish the genera are provided. The genera of Heliotropiceae accepted in this work are Euploca, Heliotropium, Ixorhea and Myriopus, all of them present in Argentina. Lectotypes for Heliotropium hasslerianum (≡Euploca hassleriana) and Heliotropium patagonicum are here selected and the new combination Heliotropium lilloi (based on Tournefortia lilloi) is proposed in order to complete the taxonomic treatment of the family in Argentina.

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“…According to The Plant List (2018), Euploca currently encompasses only 43 names. This compilation needs updating if the binomials recently transferred to Euploca by Feuillet (2016), Luebert and Frohlich (2016), Feuillet andHasle (2016, 2017), Melo (2017a,b), and Melo and Gonçalves (2018) are to be considered.…”

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A New Combination in Euploca (Heliotropiaceae) Endemic to the Galapagos Archipelago, Ecuador

Melo

Iranildo²

2019

Harvard Papers in Botany

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The genus Euploca (Heliotropiaceae) was proposed by Nuttall (1836) and in its current circumscription, following Diane et al. (2003), also encompasses all the species in Heliotropium section Orthostachys, as well as the species belonging to the genera Hilgeria Förther and Schleidenia Endl. On the basis of Diane et al. (2016), Euploca includes about 100 cosmopolitan species. They grow especially in dry zones with centers of taxonomic diversification in Mexico and South America, the later in which it is represented by 33 species. The majority of these (28 spp.) are endemics, corresponding to approximately 85% of all the species, various of them occurring in the Southern Cone (Southern Brazil, Uruguay, Argentina, Chile, and Bolivia). Only one species occurs in Chile (E. procumbens (Mill.) Diane & Hilger), and two species are reported from Ecuador, one of them endemic to the Galapagos Archipelago. Euploca species, vegetatively, are herbs, subshrubs, and rarely shrubs. The leaves are alternate to pseudo-opposite, rarely pseudoterminate, linear to broadly ovate or obovate. Inflorescences are 1-pluribranched, rarely ebracteose (encompassing a small group of species predominantly found in South America, e.g., E. barbata (DC.) J. I. M. Melo & Semir, a species restricted to the Caatinga vegetation, in Northeastern Brazil), many-flowered or presenting single flowers as in E. lagoensis (Warm.) Diane & Hilger, a species largely distributed in the Neotropics, and E. parciflora (Mart.) J. I. M. Melo & Semir, an endemic species from Brazil (Caatinga and Cerrado). Fruit are dry, separating into four 1-seeded mericarpids (Diane et al., 2016) adapted to hydrochory (water-dispersed as probably in E. paradoxa

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Two new combinations in Euploca Nutt. (Heliotropiaceae, Boraginales) and a conspectus of the species of the Guiana Shield area

Cited by 11 publications

References 22 publications

Flora das cangas da Serra dos Carajás, Pará, Brasil: Heliotropiaceae

Flora das cangas da Serra dos Carajás, Pará, Brasil: Heliotropiaceae

Los géneros de Heliotropiaceae en Argentina

A New Combination in Euploca (Heliotropiaceae) Endemic to the Galapagos Archipelago, Ecuador

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