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54 results for “Nyctaginaceae”
Mirabilis nyctaginea (Nyctaginaceae) - stem - showing leaf bases
Image of Mirabilis nyctaginea (Nyctaginaceae) - stem - showing leaf bases
Mirabilis nyctaginea (Nyctaginaceae) - leaf - on upper stem
Image of Mirabilis nyctaginea (Nyctaginaceae) - leaf - on upper stem
Mirabilis nyctaginea (Nyctaginaceae) - stem - showing leaf bases
Image of Mirabilis nyctaginea (Nyctaginaceae) - stem - showing leaf bases
Mirabilis nyctaginea (Nyctaginaceae) - inflorescence - lateral view of flower
Image of Mirabilis nyctaginea (Nyctaginaceae) - inflorescence - lateral view of flower
Mirabilis nyctaginea (Nyctaginaceae) - inflorescence - lateral view of flower
Image of Mirabilis nyctaginea (Nyctaginaceae) - inflorescence - lateral view of flower
Mirabilis nyctaginea (Nyctaginaceae) - inflorescence - lateral view of flower
Image of Mirabilis nyctaginea (Nyctaginaceae) - inflorescence - lateral view of flower
Mirabilis nyctaginea (Nyctaginaceae) - inflorescence - frontal view of flower
Image of Mirabilis nyctaginea (Nyctaginaceae) - inflorescence - frontal view of flower
Mirabilis nyctaginea (Nyctaginaceae) - inflorescence - unspecified
Image of Mirabilis nyctaginea (Nyctaginaceae) - inflorescence - unspecified
Mirabilis nyctaginea (Nyctaginaceae) - inflorescence - unspecified
Image of Mirabilis nyctaginea (Nyctaginaceae) - inflorescence - unspecified
FIGURE 2 in Neea bradeana (Nyctaginaceae: Pisonieae), a new species with whorled leaf arrangement from the Atlantic Forest of Southeastern Brazil
FIGURE 2. Field images of Neea bradeana. A. Habit with whorled leaves in the nodes. B. Apex of the shrub with whorled leaves. C. Staminate inflorescence. D. Pistillate inflorescence with anthocarps in early stage of development (Photos A–C by Idimá G. Costa, and D by Diego Nunes).
FIGURE 1 in Neea bradeana (Nyctaginaceae: Pisonieae), a new species with whorled leaf arrangement from the Atlantic Forest of Southeastern Brazil
FIGURE 1. Holotype of Neea bradeana (MBML00017270). Image used with permission of the herbarium MBML.
Historical review of terminology applied to cambial variants in Nyctaginaceae
<p><i>Premise of research. </i>The alternative patterns of secondary growth (vascular cambial variants) in stems of Nyctaginaceae are outstanding and has been widely investigated since late 19<sup>th</sup> century. However, there are controversial interpretations in the literature regarding the existence of one or two types of cambial variants (successive cambia vs. interxylary phloem). Thus, this study aims to explore the morphological diversity of stems in Nyctaginaceae, to unravel the real nature of the cambial variant present in most species of the family.</p> <p><i>Methodology. </i>Altogether we analyzed 60 species, focusing on 18 from 12 genera, which were used for the developmental studies. Anatomical and ontogenetic features were characterized from images produced by standardized plant techniques for macro and microscope analyses.</p> <p><i>Pivotal results. </i>Our analyses reveal that most species of Nyctaginaceae present stems with polycyclic eustele, which later develop a single cambium that produces secondary xylem and secondary phloem at unequal rates along the stem circumference. This unusual activity results in the absence of a regular cylinder and in the formation of secondary phloem strands (surrounded by conjunctive tissue) which are embedded within the secondary xylem. In cross-section, adult stems can be characterized by having different arrangements (i.e., phloem islands, patches, concentric bands), which results from difference in rates of phloem and conjunctive tissue forming the strands. The cambial variant in these stems are described as interxylary phloem, as similarly observed in other eudicot lineages.</p> <p><i>Conclusions. </i>Our examination of the stem development of Nyctaginaceae confirms the presence of interxylary phloem, which has been overlooked in the family since most studies reiterates the descriptions of successive cambia as the common pattern of cambial variant within the family. These findings emphasize the importance of developmental studies to further our understand of stem macromorphologies and highlight the complexity and diversity of stem architectures in Nyctaginaceae.</p>
FIGURE 3 in The family Nyctaginaceae (Caryophyllales) in Sonora, Mexico
FIGURE 3. Neotype of the name Senkenbergia coulteri (K000572646). © copyright of the Board of Trustees of the Royal Botanic Gardens, Kew. http://specimens.kew.org/herbarium/K000572646
FIGURE 4 in The family Nyctaginaceae (Caryophyllales) in Sonora, Mexico
FIGURE 4. Distribution of the Nyctaginaceae genera in the State of Sonora. A: genera Abronia, Allionia, Acleisanthes, Okenia, and Pisonia; B: genus Boerhavia; C: genus Mirabilis; D: genera Boldoa, Commicarpus, Cyphomeris, and Salpianthus.
FIGURE 2 in The family Nyctaginaceae (Caryophyllales) in Sonora, Mexico
FIGURE 2. Some Nyctaginaceae species occurring in Sonora (Mexico). A: Abronia maritima; B: Abronia villosa; C: Allionia incarnata; D: Boerhavia xanti; E: Boerhavia coccinea; F: Commicarpus scandens; G: Mirabilis coccinea; H: Mirabilis laevis; I: Pisonia capitata; J: Salpianthus macrodontus (photos by J. J. Sánchez-Escalante).
Data from: Taxonomic status and distribution of Mirabilis himalaica (Nyctaginaceae)
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Historical review of terminology applied to cambial variants in Nyctaginaceae
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Figure 2 from: Rossetto EFS, Caraballo-Ortiz MA (2020) Splitting the Pisonia birdcatcher trees: re-establishment of Ceodes and Rockia (Nyctaginaceae, Pisonieae). PhytoKeys 152: 121-136. https://doi.org/10.3897/phytokeys.152.50611
Figure 2 Field images for representative species of Ceodes, Pisonia and Rockia (Nyctaginaceae) from the Pacific Islands ACeodes taitensis. Branch with pistillate flowers BCeodes brunoniana. Ripe anthocarps (fruits) exuding sticky secretions (arrow) C, DCeodes umbellifera. Branch with ripe anthocarps (C) and staminate flowers at anthesis (D) E, FPisonia grandis R.Br. Staminate flowers at anthesis (E) and ripe anthocarps (F) G–IRockia sandwicensis. Staminate (G) and pistillate (H) flowers at anthesis and ripe anthocarps (I) Photo credits: A, F by J.-Y. Meyer B by L. Jensen C by C.-I Peng D, E, I by F. Starr and K. Starr G, H by K. Magnacca.
Figure 4 from: Rossetto EFS, Caraballo-Ortiz MA (2020) Splitting the Pisonia birdcatcher trees: re-establishment of Ceodes and Rockia (Nyctaginaceae, Pisonieae). PhytoKeys 152: 121-136. https://doi.org/10.3897/phytokeys.152.50611
Figure 4 Generic relationships within tribe Pisonieae (Nyctaginaceae) showing the inferred positions of Ceodes (Clade A, in blue), Pisonia (Clade B, in green) and Rockia (Clade C, in yellow) (Rossetto et al. 2019).
Figure 1 from: Rossetto EFS, Caraballo-Ortiz MA (2020) Splitting the Pisonia birdcatcher trees: re-establishment of Ceodes and Rockia (Nyctaginaceae, Pisonieae). PhytoKeys 152: 121-136. https://doi.org/10.3897/phytokeys.152.50611
Figure 1 Diagram depicting the history of classification for Calpidia, Ceodes, Heimerliodendron, Pisonia and Rockia. Major taxonomic treatments are shown within boxes. Authors are shown in bold and publication years of treatments and genera within parentheses.
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