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117 results for “Thismia”
Thismia guangdongensis (Thismiaceae), a new mycoheterotrophic species from China
<p><em>Thismia</em> <em>guangdongensis</em>, a fully mycoheterotrophic plant collected from Guangdong Province, China, is proposed and described as a new species. It is assigned to <em>Thismia</em> subsect. <em>Brunonithismia</em> based on having free tepals distinctly dissimilar in shape and size, and by phylogenetic evidence based on molecular data. This new species is morphologically similar to <em>T</em>. <em>breviappendiculata</em> from southern Myanmar but is easily distinguished from the latter by its orange campanulate hypanthium, inner surface of hypanthium with orange transverse bars, and filiform appendage of the inner whorl of tepals. With a plastome 20,379 bp in length and only 14 intact genes, the proposed new species has an extremely reduced plastome at the last stage of degradation, similar to most of the Thismia species previously studied.</p>
Thismia guangdongensis (Thismiaceae), a new mycoheterotrophic species from China
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FIGURE 1 in Thismia violacea (Thismiaceae), a new mycoheterotrophic species from the Brazilian Cerrado
FIGURE 1. Holotype of Thismia violacea at HJ (D.C. Gomes & L.R. Souza 283, HJ00006768) Image: speciesLink network (Herbario Jataiense—HJ).
FIGURE 2 in Thismia violacea (Thismiaceae), a new mycoheterotrophic species from the Brazilian Cerrado
FIGURE 2. Distribution map of Thismia violacea. A. Record of the species in the state of Goiás. B. Distribution in Parque Natural Municipal Mata do Açude, municipality of Jataí, state of Goiás, Brazil (satellite images by Google satellite obtained in 2023).
FIGURE 3 in Thismia petasiformis (Thismiaceae), a new fairy lantern species from the Brazilian Amazon Forest
FIGURE 3. Inner view of the flower and fruit of Thismia petasiformis. A. Longitudinal section of perianth tube with stamens, stigma and placentation. B. Leaves. C. Bracts. D. Detail of the outer perianth lobe truncate apex. E. Extended outer perianth lobe. F–G. Mitre, upper view and inner surface, respectively. H. Stamens, side and lateral view, respectively I. Ovary and stigma. J. Stigma with central orifice surrounded by auriculate lobes. K. Fruit. L. Fruit with exposed seeds. M. Seeds with funiculus. Photographs by Diego Ferreira da Silva.
FIGURE 4 in Thismia petasiformis (Thismiaceae), a new fairy lantern species from the Brazilian Amazon Forest
FIGURE 4. Distribution map of Thismia petasiformis, showing remnant of Dense Ombrophilous Forest at the municipality of Nova Bandeirantes, Mato Grosso, Brazil [satellite images by ESRI obtained in 2022].
FIGURE 2. Thismia petasiformis. A–B. Flowering and fruiting habit. C. Floral bud. D–F. Habits and flowers. G. Fruit with exposed seeds. H in Thismia petasiformis (Thismiaceae), a new fairy lantern species from the Brazilian Amazon Forest
FIGURE 2. Thismia petasiformis. A–B. Flowering and fruiting habit. C. Floral bud. D–F. Habits and flowers. G. Fruit with exposed seeds. H. Flower, upper view. Photographs by Diego Ferreira da Silva.
FIGURE 1. Thismia petasiformis. A. Flowering and fruiting habit. B. Leaves. C. Bracts. D. Leaf. E. Habit and flower. F in Thismia petasiformis (Thismiaceae), a new fairy lantern species from the Brazilian Amazon Forest
FIGURE 1. Thismia petasiformis. A. Flowering and fruiting habit. B. Leaves. C. Bracts. D. Leaf. E. Habit and flower. F. Detail of twisted curled outer perianth lobe, with tumescent apex. G. Extended outer perianth lobe, showing lanceolate shape. H–I. Mitre, upper view and inner surface, respectively. J. Longitudinal section of the perianth tube with stamens, stigma and placentation. K. Stamens, side and lateral view, respectively. L. Stigma with auriculate lobes. M. Detail of the inner perianth tube wall. N. Fruit with exposed seeds. O. Seeds with funiculus. Based on D.F. Silva et al. 198. Drawing by Maria Alice Rezende.
FIGURE 1 in Thismia nigricoronata, a new species of Burmanniaceae (Thismieae, Dioscoreales) from Vang Vieng, Vientiane Province, Laos, and a key to subgeneric classification
FIGURE 1. Bayesian inference (BI) tree from analysis of 18s rDNA data. Numbers at the nodes indicate MP bootstrap percentages and Bayesian posterior probabilities, respectively.
FIGURE 3 in Thismia nigricoronata, a new species of Burmanniaceae (Thismieae, Dioscoreales) from Vang Vieng, Vientiane Province, Laos, and a key to subgeneric classification
FIGURE 3. Bayesian inference (BI) tree from analysis of the combined 18s rDNA and atp1 data. Numbers at the nodes indicate bootstrap percentages and Bayesian posterior probabilities, respectively.
FIGURE 2 in Thismia nigricoronata, a new species of Burmanniaceae (Thismieae, Dioscoreales) from Vang Vieng, Vientiane Province, Laos, and a key to subgeneric classification
FIGURE 2. Bayesian inference (BI) tree from analysis of atp1 data. Numbers at the nodes indicate MP bootstrap percentages and Bayesian posterior probabilities, respectively.
FIGURE 5. Thismia nigricoronata. A in Thismia nigricoronata, a new species of Burmanniaceae (Thismieae, Dioscoreales) from Vang Vieng, Vientiane Province, Laos, and a key to subgeneric classification
FIGURE 5. Thismia nigricoronata. A. Whole plant in longitudinal section showing the internal parts (fa, flagellate appendage; ipl, free part of inner perianth lobe; an, annulus; upt, upper part of perianth tube; al, anther locule; opl, free part of outer perianth lobe; co, connective; lpt, lower part of perianth tube; th, thecae; st, stigma). B. Whole plant showing the mitre. C. Whole plant showing the upper part of perianth tube. D. Staminal tube showing anther locules and connectives. E. Longitudinal section of the perianth tube showing stamen and ovary. F. Mitre. (Drawn by P. Kumar from preserved specimen HNL-KFBG 0099.)
FIGURE 4. Thismia nigricoronata. A in Thismia nigricoronata, a new species of Burmanniaceae (Thismieae, Dioscoreales) from Vang Vieng, Vientiane Province, Laos, and a key to subgeneric classification
FIGURE 4. Thismia nigricoronata. A. Plant in habitat. B. Habit. C. Close-up of the crown. D. Whole plant showing the structure of the crown. E. Whole plant showing the structure of the annulus. F. Transverse section of the perianth tube. G. Dorsal view of the crown. H. Stamens showing the anther locules. I. Stamens showing the connectives and staminal tube.
FIGURE 1. Thismia papillata. A, B in Thismia papillata (Thismiaceae), a new species from northern Vietnam
FIGURE 1. Thismia papillata. A, B. Plant in natural habitat. C. Flower, view from above. D, E. Flower, side-top view. F, G. Flower, side view. Some of the tepal appendages were damaged. Semenyuk s.n.; photos by I.I. Semenyuk.
FIGURE 4. Thismia papillata. A. Flowering shoot. B in Thismia papillata (Thismiaceae), a new species from northern Vietnam
FIGURE 4. Thismia papillata. A. Flowering shoot. B. Longitudinally dissected flower (outer tepal and appendage of inner tepal not shown). C. Flattened inner tepal, abaxial view. D. Flattened portion of stamen tube, view from outside. E. Stylar column and styles. Drawn from Semenyuk s.n. by S.V. Yudina.
FIGURE 2 in Thismia papillata (Thismiaceae), a new species from northern Vietnam
FIGURE 2. Thismia papillata: two stamens artificially detached from the neighboring stamens (spirit material). Semenyuk s.n.; photos taken by S.V. Yudina using a dissecting microscope.
FIGURE 2. Thismia brunneomitra. A–B in Thismia brunneomitra, another new species of Thismia (Thismiaceae) from Ulu Temburong, Brunei Darussalam
FIGURE 2. Thismia brunneomitra. A–B. Habit of the plant. C. Habit of the immature plant. D. Elongated stem with a capsule after the anthesis. E. Flower. F. Style. G. Perianth with removed mitre and proximal part showing stamens with anthers and lateral appendage. H. Longitudinal section of perianth tube with anthers and style. I. Section of the perianth and anther tube showing apical anther appendages.
FIGURE 1. Thismia brunneomitra. A in Thismia brunneomitra, another new species of Thismia (Thismiaceae) from Ulu Temburong, Brunei Darussalam
FIGURE 1. Thismia brunneomitra. A. Habit of the plant. B. Flower. C. Stamen with lateral appendage and thecae, outer view. D. Stamen with apical lobes, inner view. Drawn by K. Janošíková.
FIGURE 3 in Thismia puberula (Thismiaceae), a new species from Southern Vietnam
FIGURE 3. Thismia puberula, details of flower structure. A. Mitre, close-up. B. Mitre, side-bottom view. C. Close-up of papillate trichomes at mitre inner surface. D. Annulus, top view. E. Flower, longitudinal section (mitre removed). F. Flower, side view with hypanthium partly removed (mitre not shown). G,H. Stamen tube, side-bottom view. I–K. Stamen tube, side view; note interstaminal glands. L. Gynoecium: ovary wall and style with stylodia, side view. Nuraliev 1000. All photos by M.Nuraliev.
FIGURE 2. Thismia puberula, external view. A in Thismia puberula (Thismiaceae), a new species from Southern Vietnam
FIGURE 2. Thismia puberula, external view. A. Plant in natural habitat. B,C. Flower, side view. D. Perianth, side view; note hairy annulus and brown central mitre tip. E. Plant with underground parts. F. Stem base with root system. G. Mitre, top view. H. Mitre, oblique view. Nuraliev 1000. All photos by M.Nuraliev.
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
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