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1,812 results for “Polygonum”
Herbarium specimen image of Polygonum viviparum L., part of the collection of Natural History Museum, University of Tartu
Part of a training dataset of scanned herbarium specimens. The data paper and a summary landing page will be published on Zenodo as it gets published.<br><br>Content of this deposition:<br><br>- A JSON-LD datafile listing the label data associated with this herbarium specimen. The Darwin and Dublin Core data standards are used for most values.<br>- A JPEG image file of the scanned herbarium sheet.<br>- A lossless TIFF image from which the JPEG image has been derived.
Polygonum bistortoides (Polygonaceae) - stem - showing leaf bases
Image of Polygonum bistortoides (Polygonaceae) - stem - showing leaf bases
Polygonum bistortoides (Polygonaceae) - leaf - basal or on lower stem
Image of Polygonum bistortoides (Polygonaceae) - leaf - basal or on lower stem
Polygonum bistortoides (Polygonaceae) - stem - showing leaf bases
Image of Polygonum bistortoides (Polygonaceae) - stem - showing leaf bases
Polygonum bistortoides (Polygonaceae) - inflorescence - whole - unspecified
Image of Polygonum bistortoides (Polygonaceae) - inflorescence - whole - unspecified
Polygonum bistortoides (Polygonaceae) - whole plant - in flower - general view
Image of Polygonum bistortoides (Polygonaceae) - whole plant - in flower - general view
Polygonum bistortoides (Polygonaceae) - whole plant - in flower - general view
Image of Polygonum bistortoides (Polygonaceae) - whole plant - in flower - general view
Polygonum virginianum (Polygonaceae) - leaf - on upper stem
Image of Polygonum virginianum (Polygonaceae) - leaf - on upper stem
Polygonum virginianum (Polygonaceae) - leaf - margin of upper + lower surface
Image of Polygonum virginianum (Polygonaceae) - leaf - margin of upper + lower surface
Polygonum virginianum (Polygonaceae) - inflorescence - frontal view of flower
Image of Polygonum virginianum (Polygonaceae) - inflorescence - frontal view of flower
Polygonum virginianum (Polygonaceae) - whole plant - in flower - general view
Image of Polygonum virginianum (Polygonaceae) - whole plant - in flower - general view
Polygonum virginianum (Polygonaceae) - stem - showing leaf bases
Image of Polygonum virginianum (Polygonaceae) - stem - showing leaf bases
Polygonum virginianum (Polygonaceae) - leaf - basal or on lower stem
Image of Polygonum virginianum (Polygonaceae) - leaf - basal or on lower stem
Figure 3 in Anatomical characteristics and resprouting capacity of the underground organs of Bohemian knotweed (Polygonum ×bohemicum)
Figure 3. Morphology of rhizomes and roots of Polygonum ×bohemicum. (A and B) Young rhizome; (C and D) mature rhizome; (E and F) young root; (G and H) mature root. bu, rhizome bud; co, cortex; ep, epidermis; ha, rhizome hair; in, internodal interval; pi, pith; rh, root hair; vb, vascular bundles.
Figure 5 in Anatomical characteristics and resprouting capacity of the underground organs of Bohemian knotweed (Polygonum ×bohemicum)
Figure 5. Resprouting rate for each pith color class (time days = 70; ntot = 201) in Polygonum ×bohemicum. (A) using the six pith brightness classes according to grayscale [0–1] intervals and (B) using the six color classes for which the reference RGB color is indicated in Hex Code. Differences in resprouting capacities (resprouting rates) were significant among pith brightness classes (Χ2 = 29.4, df = 5, P-value <0.01), as well as among pith color classes (Χ2 = 31.1, df = 5, P-value <0.01).
Figure 4 in Anatomical characteristics and resprouting capacity of the underground organs of Bohemian knotweed (Polygonum ×bohemicum)
Figure 4. Anatomy of rhizomes and roots of Polygonum ×bohemicum. (A) Young rhizome; (B) young root; (C) mature rhizome; (D) mature root; (E) mature rhizome center; (F) mature root center. bu, rhizome bud; ca, cambium; cl, collenchyma; co, cortex; ep, epidermis; lp, lateral pith; lr, lateral root; ox, calcium oxalate; pe, pericycle; pf, phloem in formation; ph, phloem; pi, pith; pl, phellem; pr, pericyclic fibers; ra, ligneous ray; xf, xylem in formation; xy, xylem.
Figure 1 in Anatomical characteristics and resprouting capacity of the underground organs of Bohemian knotweed (Polygonum ×bohemicum)
Figure 1. Study area with the location of two wild populations in Canton Ticino (Switzerland) of Polygonum ×bohemicum (white circles), the nearby research campus (black triangle), and the two urban centers of Locarno and Bellinzona (yellow squares). (A) Map of Switzerland and (B) map of the study area (Magadino plain).
Figure 2 in Anatomical characteristics and resprouting capacity of the underground organs of Bohemian knotweed (Polygonum ×bohemicum)
Figure 2. Research workflow for the present study on anatomical characteristics and resprouting capacity of the underground organs of Polygonum ×bohemicum. RH, relative humidity.
Figs. 4A-H. A-D. Polygonum punctatum. A in PLântuLAs e sementes de mAcrófitAs AquáticAs de LAGoAs do PAntAnAL SuL-MAto-Grossense
Figs. 4A-H. A-D. Polygonum punctatum. A. planta; B. plântula; C. botão floral com pontuações; D. semente. E-H. Pontederia parviflora. E. planta; F. plântula; G. diásporo; H. semente. Barras: Figs. B, F = 1 cm; Figs. D, G. = 2 mm; Fig. H = 1 mm.
Herbarium specimen image of Polygonum minus var. subcontinuum Meisn., part of the collection of Naturalis Biodiversity Center
Part of a training dataset of scanned herbarium specimens. The data paper and a summary landing page will be published on Zenodo as it gets published.<br><br>Content of this deposition:<br><br>- A JSON-LD datafile listing the label data associated with this herbarium specimen. The Darwin and Dublin Core data standards are used for most values.<br>- A JPEG image file of the scanned herbarium sheet.
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