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Journal articles on the topic 'Stamen-corolla-calyx tube'

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1

Vrijdaghs, Alexander, Petra De Block, Karen L. G. De Toni, Erik Smets, and Elmar Robbrecht. "Floral ontogeny links Dialypetalanthus (Condamineeae) with the floral developmental morphology of other Rubiaceae." Plant Ecology and Evolution 155, no. 3 (2022): 379–93. http://dx.doi.org/10.5091/plecevo.84606.

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Background – Vegetative and fruit characters of the Amazonian genus Dialypetalanthus point to a position in Rubiaceae. However, its floral morphology is so deviant that the genus was often placed in a family of its own. Even relationships outside Gentianales were postulated. Current molecular phylogenetic studies firmly show that Dialypetalanthus belongs to Rubiaceae. Aims – This study aims to understand the idiosyncratic floral morphology in Dialypetalanthus and to compare it with the floral development in two other Condamineeae genera as well as in other Rubiaceae for which ontogenetic data
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2

Vrijdaghs, Alexander, Block Petra De, Toni Karen L. G. De, Erik Smets, and Elmar Robbrecht. "Floral ontogeny links Dialypetalanthus (Condamineeae) with the floral developmental morphology of other Rubiaceae." Plant Ecology and Evolution 155, no. (3) (2022): 379–93. https://doi.org/10.5091/plecevo.84606.

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Background – Vegetative and fruit characters of the Amazonian genus Dialypetalanthus point to a position in Rubiaceae. However, its floral morphology is so deviant that the genus was often placed in a family of its own. Even relationships outside Gentianales were postulated. Current molecular phylogenetic studies firmly show that Dialypetalanthus belongs to Rubiaceae. Aims – This study aims to understand the idiosyncratic floral morphology in Dialypetalanthus and to compare it with the floral development in two other Condamineeae genera as well as in other Rubiaceae for which ontogenetic data
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3

Turlier, Marie-France, and Josiane Alabouvette. "La morphogenèse florale chez le pétunia. II. La fleur normale." Canadian Journal of Botany 67, no. 7 (1989): 1985–97. http://dx.doi.org/10.1139/b89-252.

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The scheme of floral morphogenesis is based on a histocytological analysis of organogenesis. Several points are emphasized: (i) the activity of the meristem during the development of inflorescence, the receptacle, and the placenta is always brought about by the iterative activity of the corpus initials, generating six superposed levels, each of them producing a type of lateral appendage: bract, calyx, corolla, stamens, carpels, and ovarian partitions; (ii) the evolution of cauline components is described: the corpus is responsible for the organogenesis of part of the corolla, the stamens, and
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4

Kampny, Christine M., and Judith M. Canne-Hilliker. "Patterns of floral development in Agalinis and allies (Scrophulariaceae). I. Floral development of Agalinis fasciculata and A. tenuifolia." Canadian Journal of Botany 65, no. 11 (1987): 2255–62. http://dx.doi.org/10.1139/b87-307.

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The sequence of events and morphology of structures were similar during early floral development of Agalinis tenuifolia and A. fasciculata. The lateral-posterior calyx primordia were initiated first, followed by the middle-posterior primordium, and lastly by the two anterior primordia. The corolla primordia arose in an anterior to posterior succession, then the four stamen primordia were initiated simultaneously. Later the gynoecium originated as an oval-shaped ridge. Two depressions within it became locules, and the two sides of the cleaved ridge separating them met and formed a septum. A pla
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5

Erbar, Claudia. "Floral development of two species of Stylidium (Stylidiaceae) and some remarks on the systematic position of the family Stylidiaceae." Canadian Journal of Botany 70, no. 2 (1992): 258–71. http://dx.doi.org/10.1139/b92-036.

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The early floral development of Stylidium adnatum and Stylidium graminifolium is characterized by an initial circular primordium whose areas in the transversal plane of the floral primordium show enhanced growth. The spiral inception of the five sepals starts before the differentiation of the initial circular primordium into two stamen primordia in transversal position (in relation to the floral diagram) and the corolla ring primordium below the stamen primordia. Then five petal primordia, which alternate with the sepals, arise on the corolla ring primordium (early sympetaly). Peculiar to the
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6

Vrijdaghs, Alexander, Erik Smets, and Block Petra De. "Different ways to obtain similar results: the development of the corolla and epipetaly in Rubieae (Rubioideae, Rubiaceae)." Plant Ecology and Evolution 153, no. (3) (2020): 466–86. https://doi.org/10.5091/plecevo.2020.1764.

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<b>Background and aims</b> – Rubieae is a tribe in the subfamily Rubioideae characterised by herbaceous plants with verticillate leaves and flowers with a rudimentary or absent calyx and a short, cup-shaped corolla. This is in contrast to the flowers of most other Rubiaceae, in which the tubular corolla is longer than the corolla lobes. Also, the description by Payer, a French 19th century pioneer of floral ontogenetic research, of the floral development in <em>Asperula</em>, <em>Galium</em>, and <em>Rubia</em> deviates from recent insights about the development of tubular corollas, which are
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7

Vrijdaghs, Alexander, Erik Smets, and Petra De Block. "Different ways to obtain similar results: the development of the corolla and epipetaly in Rubieae (Rubioideae, Rubiaceae)." Plant Ecology and Evolution 153, no. 3 (2020): 466–86. http://dx.doi.org/10.5091/plecevo.2020.1764.

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Background and aims – Rubieae is a tribe in the subfamily Rubioideae characterised by herbaceous plants with verticillate leaves and flowers with a rudimentary or absent calyx and a short, cup-shaped corolla. This is in contrast to the flowers of most other Rubiaceae, in which the tubular corolla is longer than the corolla lobes. Also, the description by Payer, a French 19th century pioneer of floral ontogenetic research, of the floral development in Asperula, Galium, and Rubia deviates from recent insights about the development of tubular corollas, which are based on investigations of flowers
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8

Dölarslan, Melda, and Ebru Gül. "Yarı Kurak Alanlarda Bulunan Melilotus officinalis (L.) Desr. ve Melilotus alba Desr. (Fabaceae) Taksonlarının Fitojeomorfolojik Özellikleri." Turkish Journal of Agriculture - Food Science and Technology 5, no. 6 (2017): 607. http://dx.doi.org/10.24925/turjaf.v5i6.607-613.1091.

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This study was carried out to determine morphological, ecological and climatic properties of Melilotus officinalis (L.) Desr. and Melilotus alba Desr. taxa located natural vegetation within the Büyükyayla in Çankırı province Yapraklı district. According to the Grid system of Davis, the study area is on the A4 square and north of the Central Anatolia Region of Turkey. The climate of the study area was determined using Emberger method. Plant and soil samples were collected during the vegetation period of 2014 in the study area. Morphologically observed characters of plant height (cm), stipule (m
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9

De, Block Petra, and Alexander Vrijdaghs. "Development of reproductive organs in Canephora madagascariensis (Octotropideae - Rubiaceae)." Plant Ecology and Evolution 146, no. (3) (2013): 310–27. https://doi.org/10.5091/plecevo.2013.844.

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<b>Background and aims</b> – Ontogenetic studies provide valuable morphological characters to aid interpretation of evolutionary scenarios. But they are rare within the Rubiaceae and the variation in floral ontogenetic patterns in the different Rubiaceae lineages remains underexplored. Here, we provide the first developmental study of the reproductive organs of <i>Canephora madagascariensis</i>, a typical representative of the poorly known tribe Octotropideae in most of its characters except for its unique, flattened, assimilating, 'phylloclade-like' inflorescences. <b>Methods</b> – Using SEM
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10

Li, Ren, Law Shine, Wu Li, and Shi-Shun Zhou. "A new species of Zingiber (Zingiberaceae) from Natma Taung National Park, Chin State, Myanmar." PhytoKeys 138 (January 10, 2020): 131–37. http://dx.doi.org/10.3897/phytokeys.138.46719.

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Zingiber natmataungense S.S.Zhou &amp;amp; R.Li (Zingiberaceae), a new species from Natma Taung National Park, Chin State, Myanmar, is described and illustrated. The new species is morphologically similar to Z. yunnanense, but differs by: leaf blade abaxially light green, glabrous, ligule sparsely pubescent, ca. 2–3 mm, bracts glabrous; calyx white 20–21 × 3.2–3.5 mm, glabrous, apex obviously 3-toothed; corolla tube white, ca. 3.9–4.1 cm, labellum lateral lobes, ca. 1.5–1.7 × 0.6–0.7 cm; stamen with sparse pubescent, filament white, glabrous,1–2 mm; anther connective appendage yellowish proxim
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11

Li, Ren, Law Shine, Wu Li, and Shi-Shun Zhou. "A new species of Zingiber (Zingiberaceae) from Natma Taung National Park, Chin State, Myanmar." PhytoKeys 138 (January 10, 2020): 131–37. https://doi.org/10.3897/phytokeys.138.46719.

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Zingiber natmataungense S.S.Zhou &amp; R.Li (Zingiberaceae), a new species from Natma Taung National Park, Chin State, Myanmar, is described and illustrated. The new species is morphologically similar to Z. yunnanense, but differs by: leaf blade abaxially light green, glabrous, ligule sparsely pubescent, ca. 2–3 mm, bracts glabrous; calyx white 20–21 × 3.2–3.5 mm, glabrous, apex obviously 3-toothed; corolla tube white, ca. 3.9–4.1 cm, labellum lateral lobes, ca. 1.5–1.7 × 0.6–0.7 cm; stamen with sparse pubescent, filament white, glabrous, 1–2 mm; anther connective appendage yellowish proximall
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12

Decraene, L. P. Ronse, E. F. Smets, and D. Clinckemaillie. "The floral development and floral anatomy of Coris monspeliensis." Canadian Journal of Botany 73, no. 11 (1995): 1687–98. http://dx.doi.org/10.1139/b95-183.

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The floral development of Coris was investigated to clarify its controversial relationship with either Primulaceae (Primulales) or Lythraceae (Myrtales). We demonstrate that Coris is strongly related to the Primulaceae but differs in a few important features, such as the presence of an epicalyx and partial zygomorphy. The saccate calyx and epicalyx with unilateral development encloses an actinomorphic flower. The stamen–petal tube has two sections that arise through three growth processes: a lower common part for stamens and petals and an upper section representing a fused corolla. The central
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13

Maclntyre, Judith P., and Christian R. Lacroix. "Comparative development of perianth and androecial primordia of the single flower and the homeotic double-flowered mutant in Hibiscus rosa-sinensis (Malvaceae)." Canadian Journal of Botany 74, no. 12 (1996): 1871–82. http://dx.doi.org/10.1139/b96-224.

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The double-flowered variety of Hibiscus rosa-sinensis L. (Malvaceae) displays a divergent floral morphology that appears to fit the criteria for homeosis. A comprehensive definition defines homeosis as the complete or partial replacement of one part of an organism with another part. The corolla of the single flower is pentamerous. The mature flower has a staminal tube bearing 60 – 70 stamens that surrounds an exserted synstylous gynoecium with five fused stigmas. In double flowers, the outermost whorl of petals is similar in appearance to that of the single flower. The remaining floral appenda
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14

González, Ana María. "Anatomía y vascularización floral de Piriqueta racemosa, Turnera hassleriana y Turnera joelii (Turneraceae)." Bonplandia 7, no. 1-4 (1993): 143. http://dx.doi.org/10.30972/bon.71-41434.

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&lt;span&gt;The floral vascular anatomy of three species be10nging to two genera of Turneraceae is analyzed. The indumentum and the anatomical structure of peduncle, prophylls, perianth, nectaries, crown, androeciurn and gynoecium are described as well. The ovary is surrounded by a tube, the appendicular nature of which is confirmed: its basal portion is composed of calyx, corolla and staminal filaments, and its distal portion is formed only by the perianth. The expression "floral tube" is used to name this structure, following Takhtajan (1991). The nectaries are placed between the perianth an
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15

Sekhar, K. N. Chandra, and V. K. Sawhney. "Ontogenetic study of the fusion of floral organs in the normal and "solanifolia" mutant of tomato (Lycopersicon esculentum)." Canadian Journal of Botany 65, no. 2 (1987): 215–21. http://dx.doi.org/10.1139/b87-030.

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A comparative study on the ontogeny of the fusion of floral organs of the normal (cv. Pearson) and a single-gene mutant, "solanifolia" (sf/sf), of tomato (Lycopersicon esculentum Mill.) was conducted. In the normal, floral organs were laterally fused, although the degree and the region of fusion varied in each organ type. In the mutant, the various organs either did not fuse or, if they did, were individually recognizable. The sepals and petals of mutant flowers, unlike those of the normal, did not form a calyx cup and a corolla tube, respectively, and this was related to the limited lateral g
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16

Chen, Hongfei, Zheng Xiao, Baoqing Ding, Pamela K. Diggle, and Yao-Wu Yuan. "Modular regulation of floral traits by a PRE1 homolog in Mimulus verbenaceus: implications for the role of pleiotropy in floral integration." Horticulture Research, July 27, 2022. http://dx.doi.org/10.1093/hr/uhac168.

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Abstract Floral traits often show correlated variation within and among species. For species with fused petals, strong correlations among corolla tube, stamen, and pistil length are particularly prevalent, and these three traits are considered an intra-floral functional module. Pleiotropy has long been implicated in such modular integration of floral traits, but empirical evidence based on actual gene function is scarce. We tested the role of pleiotropy in the expression of intra-floral modularity in the monkeyflower species Mimulus verbenaceus by transgenic manipulation of a homolog of Arabid
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