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61 results for “Ruellia”
Ruellia humilis (Acanthaceae) - leaf - basal or on lower stem
Image of Ruellia humilis (Acanthaceae) - leaf - basal or on lower stem
Ruellia humilis (Acanthaceae) - stem - showing leaf bases
Image of Ruellia humilis (Acanthaceae) - stem - showing leaf bases
Ruellia humilis (Acanthaceae) - inflorescence - lateral view of flower
Image of Ruellia humilis (Acanthaceae) - inflorescence - lateral view of flower
Ruellia humilis (Acanthaceae) - inflorescence - frontal view of flower
Image of Ruellia humilis (Acanthaceae) - inflorescence - frontal view of flower
Ruellia humilis (Acanthaceae) - stem - showing leaf bases
Image of Ruellia humilis (Acanthaceae) - stem - showing leaf bases
Ruellia humilis (Acanthaceae) - inflorescence - lateral view of flower
Image of Ruellia humilis (Acanthaceae) - inflorescence - lateral view of flower
Ruellia humilis (Acanthaceae) - leaf - on upper stem
Image of Ruellia humilis (Acanthaceae) - leaf - on upper stem
Ruellia humilis (Acanthaceae) - whole plant - in flower - general view
Image of Ruellia humilis (Acanthaceae) - whole plant - in flower - general view
Ruellia humilis (Acanthaceae) - inflorescence - frontal view of flower
Image of Ruellia humilis (Acanthaceae) - inflorescence - frontal view of flower
FIGURE 1 in Ruellia eriocalyx (Acanthaceae, Ruellieae), a Pyrophytic Species from Central Brazil
FIGURE 1. Plants of Ruellia eriocalyx from herbarium specimens. A. Nearly leafless flowering plant (post-fire), showing woody caudex, thick (but not tuberous) roots, and elongate pedicels, Irwin et al. 8164 (NY), image courtesy of the C.V. Starr Virtual Herbarium (http://sweetgum.nybg.org/science/vh/), used with permission. B, C. Leafy plants (32 days following fire), showing pubescence, flowers, and capsule (at arrow), Fonseca & Alvarenga 2054, Catalog number 3398390, United States National Herbarium (US), Smithsonian Institution, used with permission.
FIGURE 5. Tamaulipan Acanthaceae V. A. Ruellia blechum. B. Ruellia ciliatiflora. C. Ruellia hookeriana. D. Ruellia paniculata. E in Taxonomic and Photographic Guide to the Acanthaceae of Tamaulipas, Mexico
FIGURE 5. Tamaulipan Acanthaceae V. A. Ruellia blechum. B. Ruellia ciliatiflora. C. Ruellia hookeriana. D. Ruellia paniculata. E. Ruellia simplex (blue-flowered form). F. Ruellia simplex (white-flowered form). G. Stenandrium dulce. H. Tetramerium nervosum. I Thunbergia fragrans. J. Thunbergia alata. K. Yeatesia mabryi. L. Yeatesia platystegia. Photos by T. Daniel (A, C–G, I, J), E. Fernández, cropped, CC BY-NC 4.0 (H), L. García-Morales (B, K), B. Leander, used with permission from the Lady Bird Johnson Wildflower Center (L).
cf. Ruellia sp.1 from Colombia collected by E. Álvarez, A. Camargo, F. Toro #3314
<p><strong>File Name</strong>: <span>TOLI-26275-ZAR-05-Sot-Ter-EAD-3314.jpg</span></p> <p><strong>CÓDIGO FOTO</strong>: <span>TOLI-26275-ZAR-05-Sot-Ter-EAD-3314-</span></p> <p><strong>Fotografía</strong>: <span>SI</span></p> <p><strong>Nº TOLI</strong>: <span>TOLI-26275</span></p> <p><strong>PARCELA</strong>: <span>ZAR-05</span></p> <p><strong>CÓDIGO</strong>: <span>Sot-Ter-EAD-3314</span></p> <p><strong>Nº COLECTA</strong>: <span>3314</span></p> <p><strong>NUEVOS COLECTORES</strong>: <span>Alejandro Camargo, Felipe Toro & Esteban Alvarez</span></p> <p><strong>COLECTORES</strong>: <span>E. Álvarez, A. Camargo, F. Toro</span></p> <p><strong>Nº MUESTRAS MONTADAS</strong>: <span>1</span></p> <p><strong>Homologación</strong>: <span>No homologado</span></p> <p><strong>Nueva fecha del evento </strong>: <span>30/11/2018.</span></p> <p><strong>Fecha del evento</strong>: <span>27/04/2019.</span></p> <p><strong>Proyecto </strong>: <span>Recursos Botánicos Disponibles en Línea (BRAVO) para la flora Colombiana</span></p> <p><strong>Continente</strong>: <span>SA</span></p> <p><strong>Pais</strong>: <span>Colombia</span></p> <p><strong>Estado/Provincia</strong>: <span>Amazonas</span></p> <p><strong>Municipio</strong>: <span>Leticia</span></p> <p><strong>Localidad</strong>: <span>Resguardo Indígena Ticuna-Huitoto Km 6-11.</span></p> <p><strong>Elevación minima en metros</strong>: <span>200</span></p> <p><strong>Elevación maxima en metros</strong>: <span>300</span></p> <p><strong>Latitud</strong>: <span>-4.004</span></p> <p><strong>Longitud original</strong>: <span>-69.896</span></p> <p><strong>datum geodésico</strong>: <span>WGS 84</span></p> <p><strong>Latitud decimal</strong>: <span>-4.004</span></p> <p><strong>Longitud decimal</strong>: <span>-69.896</span></p> <p><strong>Identificado por</strong>: <span>Diego Suescún </span></p> <p><strong>Fecha de identificación</strong>: <span>25/02/2019.</span></p> <p><strong>Nombre cientifico</strong>: <span>cf. Ruellia sp.1</span></p> <p><strong>Reino</strong>: <span>Plantae</span></p> <p><strong>Filo</strong>: <span>Magnoliophyta</span></p> <p><strong>Clase</strong>: <span>Equisetopsida</span></p> <p><strong>Orden</strong>: <span>Lamiales</span></p> <p><strong>Familia nueva</strong>: <span>Acanthaceae</span></p> <p><strong>Género nuevo</strong>: <span>Ruellia</span></p> <p><strong>especie nueva</strong>: <span>sp.</span></p> <p><strong></strong>: <span>Acanthaceae</span></p> <p><strong>genero herbario</strong>: <span>Ruellia</span></p> <p><strong>especie herbario</strong>: <span>sp.</span></p> <p><strong>Especie de herbario para TNRS</strong>: <span>Ruellia sp.</span></p> <p><strong>Especie corregida herbario y desde TNRS</strong>: <span>Ruellia indet</span></p> <p><strong>Familia corregida desde TNRS</strong>: <span>Acanthaceae</span></p> <p><strong></strong>: <span>5260</span></p>
Data from: Phylogenetic relationships among Old World Ruellia L.: a new classification and reinstatement of the genus Dinteracanthus Schinz
The genus Ruellia (Acanthaceae) consists of some ca. 350 species that are concentrated in tropical and subtropical regions of the world. Old World Ruellia have never been the focus of explicit phylogenetic study, yet comprise the earliest diverging lineages in the genus and contain upwards of 100 species. We sampled 52 accessions representing 29 OW species of Ruellia for phylogenetic analysis. Results yielded five clades that were strongly supported and marked by morphological synapomorphies. Analyses additionally recovered a newly recognized lineage within the tribe Ruellieae, a small radiation of plants in the deserts of Namibia and Angola, and the name Dinteracanthus is available for reinstatement. Divergence time analysis using a primary fossil calibration revealed relatively young estimates for crown ages of all five clades of OW Ruellia (2.5 Ma ‐ 630,000 ypb) as well as for Dinteracanthus (2.0 Ma). Ancestral state reconstruction of pollination systems among OW Ruellia suggest a minimum of two transitions from short-tongued insect pollination to nocturnal moth pollination, one from short-tongued insect to bird pollination, and one reversal from nocturnal moth pollination back to short-tongued insect pollination. We formally delimit the five clades of OW Ruellia as sections and present a key to aid in their identification: sect. Eusiphon, sect. Dipteracanthus, sect. Madagasikara, sect. Pseudoruellia, and sect. Discifolia. We provisionally treat 77 of 97 species of OW Ruellia among these five sections, with the remaining names considered to be unresolved.
Data from: Phylogenetic relationships among Old World Ruellia L.: a new classification and reinstatement of the genus Dinteracanthus Schinz
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Data from: Effects of arbuscular mycorrhizal fungi on aboveground tri-trophic interactions are contingent upon plant genetic effects of cross type in the perennial herb Ruellia nudiflora
1.- Recent work has improved our understanding of the linkages between above- and below-ground interactions mediated by plants. However, relatively few of the studies conducted thus far have focused on muli-trophic interactions (i.e. beyond two trophic levels) and the influence of plant genetic intra-specific variation on these dynamics has rarely been addressed. 2.- We tested the effect of arbuscular mycorrhizal fungi (AMF) on above-ground tri-trophic interactions associated with the canopy of the perennial herb <i></i>Ruellia nudiflora<i></i>, and further determined whether genetic effects due to cross type (i.e. wether a plant originated from from self- or cross-pollination) influenced these interactions. 3.- We propagated plants originating from self- or cross-pollination, and within each category inoculated half of the plants with AMF. We subsequently established a common garden where plants were exposed to naturally occurring seed-eating caterpillars and their parasitoids. We measured plant growth, fruit output, calculated the proportion of attacked fruits by the caterpillar and the proportion of parasitized caterpillars, and also estimated the proportion of "rescued" seeds by parasitoids representing an indirect positive effect of the third trophic level on the plant by reducing caterpillar consumption. 4.- AMF drove 18% and 15% increases in plant growth and fruit output respectively, and drove a 25% reduction in caterpillar fruit attack, but did not influence parasitism or parasitoid seed "rescue". In contrast, cross type did not influence growth, fruit number, herbivore attack, parasitism, or seed rescue. More importantly, however, we found a significant AMF by cross type interaction on caterpillar attack where AMF significantly reduced fruit attack (by 30%) in progeny from cross-pollination but did not influence herbivory in progeny from self-pollination. 5.- Synthesis. Results indicate that AMF effects on above-ground interactions are contingent upon plant intra-specific variation originating from cross type, which is likely a common source of variation in associated interactions for plants with mixed mating systems. Further studies examining plant-mediated below- and aboveground interactions should consider the influence of specific sources of plant genetic variation, as well as address the consequences of such dynamics for interactions beyond two trophic levels.
Ruellia humilis (Acanthaceae) - leaf - on upper stem
Image of Ruellia humilis (Acanthaceae) - leaf - on upper stem
Ruellia humilis (Acanthaceae) - stem - showing leaf bases
Image of Ruellia humilis (Acanthaceae) - stem - showing leaf bases
Ruellia humilis (Acanthaceae) - inflorescence - lateral view of flower
Image of Ruellia humilis (Acanthaceae) - inflorescence - lateral view of flower
Ruellia humilis (Acanthaceae) - stem - showing leaf bases
Image of Ruellia humilis (Acanthaceae) - stem - showing leaf bases
Ruellia humilis (Acanthaceae) - inflorescence - lateral view of flower
Image of Ruellia humilis (Acanthaceae) - inflorescence - lateral view of flower
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