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12. Fragmentos Taxonómicos 242 Acta Botanica Malacitana 34. 2009 veg. 11) (1997): 117-124. RIVAS-MARTÍNEZ, S., T.E. DÍAZ, F. RIVAS GODAY, S. -1957- Comportamiento FERNÁNDEZ-GONZÁLEZ, J. IZCO, J. LOIDI, fitosociológico del Eryngium corniculatum Lam. M. LOUSÃ & A. PENAS -2002- Vascular Plant y de otras especies de Phragmitetea y Isoeto- Communities of Spain and Portugal. Addenda to Nanojuncetea. Anales Inst. Bot. Cavanilles 14: the syntaxonomical checklist of 2001. Itinera 501-528. Geobot. 15(1-2): 5-922. RIVAS GODAY, S. -1964- Vegetación y flórula de la SILVA, V., C. PINTO-CRUZ & M.D. ESPÍRITO- cuenca extremeña del Guadiana. Publ. Diputac. SANTO -2008- Temporary ponds and hygrophilous Provinc. Badajoz. 777 pp. grasslands plant communities in Monfurado Site of RIVAS GODAY, S. -1971- Revisión de las Community Importance. Lazaroa (in press). comunidades hispanas de la clase Isoeto- 1 Nanojuncetea Br.-Bl. & Tüxen 1943. Anales Direcção dos autores. Departamento de Protecção de Plantas e de Fitoecologia/CBAA, Instituto Inst. Bot. Cavanilles 27: 225-276. Superior de Agronomia, Universidade Técnica RIVAS-MARTÍNEZ, S., F. FERNÁNDEZ- de Lisboa, Tapada da Ajuda, 1349-017 Lisboa, GONZÁLEZ, J. LOIDI, M. LOUSÃ & A. Portugal. 2Departamento de Biología Vegetal II, PENAS -2001- Syntaxonomical Checklist Facultad de Farmacia, Universidade Complutense, 3 of Vascular Plant Communities of Spain and E-28040 Madrid, Espanha. Departamento de Biologia/ICAM, Universidade de Évora, 7002- Portugal to Association Level. Itinera Geobot. 554 Évora, Portugal.*Autor para correspondência: 14: 3-341. [email protected] 193. APUNTES FLORÍSTICOS Y TAXONÓMICOS PARA LA FLORA DE LAS ISLAS CANARIAS Miguel Antonio PADRÓN-MEDEROS, Irma Rosana GUMA, Arnoldo SANTOS-GUERRA y Jorge Alfredo REYES-BETANCORT* Recibido el 1 de septiembre de 2009, aceptado para su publicación el 25 septiembre de 2009 Publicado "on line" en octubre de 2009 Floristic and taxonomic notes for the Canary Islands Flora Palabras clave. Corología, especies invasoras, flora, ecología, Islas Canarias. Keywords. Chorology, alien species, flora, ecology, Canary Islands. En el presente trabajo damos a conocer que otras incrementan la fitodiversidad del un total de 30 nuevas citas florísticas para las Archipiélago en general. De alguno de estos Islas Canarias. Algunas de ellas son adiciones taxones se conoce su gran potencial invasor y para la flora de una determinada isla, mientras por lo tanto con esta nota se pretende dar una Acta Botanica Malacitana 34. 2009 243 voz de alerta sobre su presencia/introducción purpureocrocea) y ahora se encuentran naturalizadas en unas islas con frágiles ecosistemas. Por otro al menos en Tenerife, Gran Canaria y Lanzarote. lado confirmamos para la isla de Lanzarote la En esta última isla es frecuente encontrarla en sus presencia de Astragalus hamosus L. campos como resultado de su siembra tanto en bordes de carreteras como de cultivos. Además también la Para la nominación de los taxones se hemos localizado en solares, cunetas y barranquillos han seguido principalmente las floras básicas producto del enraizado de esquejes provenientes de Castroviejo (1986-2009) y de Tutin et al. de desechos de jardinería. En las proximidades de (1964-1980). Para aquellos taxones que no se La Urbanización de Caleta de Famara, así como en hallan en los anteriores tratados así como para Caleta del Sebo (La Graciosa), la hemos observado aquellos grupos conflictivos (p.e. Orobanche) regenerándose a partir de semillas. se sigue la bibliografía referenciada en cada uno de ellos. ASTERACEAE El material al que se hace referencia Asteriscus sericeus DC. bajo cada uno de los taxones se encuentra Nauplius sericeus Cass.; Odontospermum depositado en los herbarios ORT o TFC. Para sericeum Sch.Bip. in Webb y Berthel. cada una de las especies se anota, cuando es TENERIFE. La Laguna, proximidades de posible, su distribución, ecología y ubicación Punta del Hidalgo, en riscos sobre Playa del Arenal fitosociológica, así como comentarios sobre (28RCS 69 60), 09-V-2009, J.A. Reyes Betancort su problemática taxonómica o nomenclatural (ORT 41324 + Dupl.); Finca Isamar en Valle Guerra; si las hubiere y consideraciones acerca de Masca, A. Santos et al. (!). EL HIERRO. En bordes su potencial capacidad de expansión en de carretera próximos al caserío de Tiñor (28RBR 12 los ecosistemas de las islas. Respecto a la 77), 06-VII-2009, A. Santos (ORT 41325). GRAN CANARIA. Bordes de carretera en las cercanías de nominación de los sintáxones seguimos la Andén Verde, A. Santos (!). nomenclatura fitosociológica de Rodríguez Su bello follaje y sus grandes flores han hecho Delgado et al. (1998) y Rivas-Martínez et al. de este endemismo de la isla de Fuerteventura (2001, 2002). elemento de importancia ornamental en todas las islas del Archipiélago. Nosotros hemos herborizado AIZOACEAE material de esta especie en laderas costeras entre Bajamar y La Punta del Hidalgo, resultado de su Malephora crocea (Jacq.) Schwantes naturalización a partir de individuos del ajardinado LANZAROTE. Teguise, proximidades del paseo marítimo. La plantas crecen en ambientes urbanización sobre Playa de Famara (28RFT 41 21), de Artemisio-Rumicion lunariae Rivas-Martínez 03-VII-2009, J.A. Reyes-Betancort (ORT 41323). et al. 1993. Por otro lado, en la isla de El Hierro, TENERIFE. Caleta de Adeje (28RCS 27 09), hemos constatado su presencia en bordes de 23-II-2009, M.A. Padrón Mederos (ORT 41380); carreteras del pueblo de Tiñor. Esta especie no es Puertito de El Sauzal (28RCS 58 50), 06-IX-2009, recogida para ninguna de las dos islas por Acebes Ejusd. (ORT 41382). GRAN CANARIA. Al E del et al. (2004). Sin embargo hay una referencia de Castillo del Romeral (28RDR 55 74), 19-II-2009, su posible asilvestramiento para Tenerife y Gran M.A. Padrón Mederos et al. (!). Canaria (Wiklund, 1987), y de su cultivo en El Dos variedades de Malephora crocea han Hierro (Stiertorfer y Gaisberg, 2006). Es por ello sido reconocidas: var. crocea, con la cara interna que nuestras recolecciones vienen a confirmar su de los pétalos de color naranja y la externa de presencia como planta asilvestrada en Tenerife, Gran color púrpura, y var. purpureocrocea (Haw.) H. Canaria y El Hierro. Jacobsen y Schwantes, con los pétalos de color púrpura por ambas caras (Bleck, 2003). Estas dos Chamaemelum fuscatum (Brot.) Vasc. variedades han sido introducidas en las islas por su Anthemis fuscata Brot.; Perideraea fuscata interés ornamental (aunque más comúnmente la var. (Brot.) Webb 244 Acta Botanica Malacitana 34. 2009 TENERIFE. La Laguna, sobre La Manzanilla muros de piedra (28RBS 82 14), 13-V-2007, J.A. (28RCS 70 53), 11-III-2008, J.A. Reyes Betancort Reyes-Betancort y A. Santos (ORT 39125). (ORT 40633). Oriunda del SW de Europa, se cultiva y a veces Originaria del W de la Región Mediterránea se naturaliza en otras partes de Europa, América, (Talavera in Valdés et al., 1988), se ha encontrado una África del Sur y Nueva Zelanda (Fernández in población en laderas próximas a la Vega Lagunera, Castroviejo, 1993). Al igual que en otras islas, vive en ambientes intermedios entre las comunidades en ambientes húmedos y sombríos. Nueva cita para de Echio-Galactition O. Bolòs y Molinier 1969 y la isla de La Gomera. Tuberarietea guttatae (Br.-Bl. in Br.-Bl., Roussine y Nègre 1952) Rivas Goday y Rivas-Martínez 1963. CAESALPINIACEAE Nueva cita para las Islas Canarias. Caesalpinia gilliesii Wall. ex Hook. Cirsium vulgare (Savi) Ten. LANZAROTE. Teguise, solares enarenados TENERIFE. Tacoronte, Lomo Las Jaras en Costa Teguise (28RFT 46 08), 07-IV-2008, J.A. (28RCS 62 48), 06-VI-2009, J.A. Reyes-Betancort Reyes-Betancort (ORT 41298); Teguise, solares en (ORT 41292). Tahiche (28RFT 41 10), 05-VII-2009, Ejusd. (ORT Elemento de amplia distribución europea 41321). (Werner in Tutin et al., 1976). En Tenerife la hemos Nativa de Argentina (McClintock in Hickman, observado creciendo en herbazales megafórbicos 1993). Planta de amplio uso en jardinería. La hemos junto a Lactuca serriola L. y Helminthotheca visto naturalizada en diversos lugares de Lanzarote echiodes (L.) Holub., contabilizando la presencia de donde se cultiva por su interés ornamental en áreas unos cuarenta individuos en la población. Primera ajardinadas de lugares áridos: Playa Blanca, Costa de cita de una especie del género Cirsium para el Tías, Tahiche, Arrecife, Costa Teguise, La Vegueta, Archipiélago Canario. etc. Nueva cita para la isla de Lanzarote. Pluchea ovalis (Pers.) DC. CARYOPHYLLACEAE TENERIFE. Adeje, borde carretera variante La Caleta-Golf de Adeje, a la altura del Bco. del Minuartia mediterranea (Ledeb. ex Link) K. Malý Agua (28RCS 29 10), 20-VII-2007, M.A. Padrón LA GOMERA. San Sebastián, arenales de Mederos (ORT 40625). Puntallana, 10 m.s.m. (28RBS 93 13), 26-III-2008, En condiciones favorables, puede encontrarse A. Santos y J.A. Reyes-Betancort (ORT 41283). en flor y fruto durante todo el año (King-Jones, Especie mediterránea (Favarger y Montserrat 2001), aunque en Canarias la hemos observado en in Castroviejo, 1990). Planta que crece en terrenos flor desde Abril hasta Agosto. Distribuida desde Cabo arenoso-pedregosos, participando en comunidades Verde, Marruecos y Mauritania a través de África de la alianza Resedo lanceolatae-Moricandion F. hasta la península Arábiga (King-Jones, op. cit.), es la Casas y M. E. Sánchez 1972. Esta cita resulta ser la primera vez que se cita para el Archipiélago Canario. primera de una especie del género Minuartia sensu En Tenerife la hemos localizado hasta ahora en stricto (cf. Favarger y Monserrat in op. cit.) para lugares antropizados con aportes adicionales de agua, Macaronesia. bordes de carretera y solares entre Las Américas y Armeñime (municipio de Adeje). Parece haber CHENOPODIACEAE sido introducida con motivo ornamental pero se ha escapado con cierta facilidad pudiendo desplegar su Atriplex lindleyi Moq. gran potencial invasor en esta isla. Atriplex inflata sensu Maire (1962) non F. Muell. (1857). BRASSICACEAE LANZAROTE. Playa Honda, cabecera E del Aeropuerto (28RFT 36 03), 17-VII-2007, J.A.
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