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9 results for “Onoserideae”
FIG. 6 in Structural and histochemical characterization of the osmophores in corollas of Asteraceae (tribes Onoserideae and Famatinantheae)
FIG. 6. — Non-osmophoric papillae in genera of Onoserideae: A, sinus between two lobes of the central corolla in Aphyllocladus denticulatus Hieron., showing papillae with negative reaction for starch test (IKI); B, two lobes of the central corolla in Gypothamnium pinifolium Phil., with apical and marginal papillae, several of them secreting drops (arrow) and negatively reacting for starch test (IKI); C, lobe of the central corolla in Lycoseris trinervis (D. Don) S.F. Blake, note the papillae with lipophilic content (ORO); D, tooth margin of the marginal corolla in Onoseris hastata Wedd., note the papillae with lipophilic content (ORO); E, lobe apex of the central corolla in Urmenetea atacamensis Phil., note the short, rounded papillae with striate cuticle (NR). A, Ricardi 3674 (LP); B, Roig Juñent 22 (LP); C, Sagástegui 6867 (LP); D, Fabris 6157 (LP); E, Cabrera et al. 22543 (LP). Scale bars: A, 100 µm; B, 250 µm; C-E, 50 µm.
FIG. 4 in Structural and histochemical characterization of the osmophores in corollas of Asteraceae (tribes Onoserideae and Famatinantheae)
FIG. 4. — Osmophoric glands in Famatinanthus and Plazia: A, B, Famatinanthus decussatus (Hieron.) Ariza & S.E. Freire; A, central corolla showing osmophores at the apex of the lobes (stereomicroscopic image); B, apex of one lobe of the central corolla showing the reddish osmophore (Safranin); C, D, Plazia daphnoides Wedd.; C, apex of the 3-dentate outer lip of the marginal corolla showing the osmophores with a strong positive reaction for NR (stereomicroscopic image); D, apex of one lobe of the central corolla showing the osmophore (Safranin); E, longitudinal section of one lobe of the central corolla of Famatinanthus decussatus, showing the apical gland and the tissues (Safranin-Fast Green); F-H, Plazia daphnoides; F, longitudinal section of one lobe of the central corolla, showing part of the apical gland, note the vascular tissue mainly constituted by xylem vessels and some phloem elements (arrow) (Nile blue); G, transection at the apex of the outer lip of the marginal corolla, note the three osmophoric glands protruding on the surface (Safranin- Astra Blue); H, longitudinal section of one lobe apex of the central corolla, showing the vascular tissue of the osmophoric gland (Safranin); I, J, Famatinanthus decussatus; I, transection of the osmophoric gland, note the reddish color of the papillae and the parenchyma showing the secretory function of both tissues (TIOFH3); J, detail of the previous figure (TIOFH3), note the red content of the cells and the vascular tissue.Abbreviations: OS, osmophore; PP, papillose epidermis; SP, secreting parenchyma; VT, vascular tissue. A, B, E, I, J, Funk & Bonifacino 13233 (LP); C, G, Ruthsatz s.n. (LP s.n.); D, Cabrera 8331 (LP); F, H, Rauh P423 (LP). Scale bars: A, C, 500 µm; B, E, I, J, 120 µm; D, 0.25 mm; F, 50 µm; G, 250 µm; H, 110 µm; J, 60 µm.
FIG. 2 in Structural and histochemical characterization of the osmophores in corollas of Asteraceae (tribes Onoserideae and Famatinantheae)
FIG. 2. — Diagrams showing the location of osmophores and non-osmophoric papillae in marginal, bilabiate corollas (A, C, E, G, I, K, M, P), in the central tubular corollas (B, D, F, H, J, L, N, Q), and in all tubular corollas (O) (only two of the five lobes are shown) of Famatinantheae and selected Onoserideae: A-D, osmophores; A, B, Famatinanthus decussatus (Hieron.) Ariza & S.E. Freire; C, D, Plazia daphnoides Wedd.; E-Q, non-osmophoric papillae; E, F, Aphyllocladus spartioides Wedd.; G, H, Gypothamnium pinifolium Phil.; I, J, Lycoseris trinervis (D. Don) S.F. Blake; K, L, Onoseris gnaphalioides Muschl.; M, N, Onoseris drakeana André; O, Onoseris onoseroides (Kunth) B.L. Robinson; P, Q, Urmenetea atacamensis Phil. Dotted line, area of corolla incision; Red, osmophores; blue, starch; yellow, non-osmophoric papillae.
FIG. 5 in Structural and histochemical characterization of the osmophores in corollas of Asteraceae (tribes Onoserideae and Famatinantheae)
FIG. 5. — Osmophore elements in Famatinanthus and Plazia: A, two teeth of the marginal corolla showing the venation in Plazia daphnoides Wedd., note the two veins at each tooth margin joining at the apex (Safranin); B, sinus between the outer and the inner lips of the marginal corolla in Famatinanthus decussatus (Hieron.) Ariza & S.E. Freire showing starch grains (IKI);C, D, Plazia daphnoides; C, transection of the marginal corolla showing stomata with large substomatal chambers (Safranin-Astra Blue); D, abaxial surface view of one sinus of the central corolla, showing numerous stomata (arrows) near the osmophoric area (Safranin); E, apex of one lobe of the central corolla in Famatinanthus decusssatus, showing one large stomata and a cluster of starch grains below (TIOFH3); F, G, Plazia daphnoides; F, detail of one corolla stoma at the sinus area (Safranin); G, detail of one corolla stoma showing starch content as dark dots (IKI).Abbreviations:SM, starch mass;ST, stomata;VE, vein.A, D, F, Ruthsatz s.n. (LP s.n.); B, E, Funk & Bonifacino 13233 (LP); C, Rauh P423 (LP);G, Zöllner 4902 (LP). Scale bars: A, 750 µm; B, 150 µm; C, E, 125 µm; D, 200 µm; F, 23 µm; G, 50 µm.
FIG. 1 in Structural and histochemical characterization of the osmophores in corollas of Asteraceae (tribes Onoserideae and Famatinantheae)
FIG. 1. — Corolla parts mentioned in this contribution: A, opened bilabiate, marginal, corolla; B, opened, tubular, central corolla.
FIG. 3 in Structural and histochemical characterization of the osmophores in corollas of Asteraceae (tribes Onoserideae and Famatinantheae)
FIG. 3. — Osmophoric epidermis in Famatinanthus and Plazia: A, sinus between the outer and inner lips of the marginal corolla of Famatinanthus decussatus (Hieron.) Ariza & S.E. Freire, note the strong positive reaction for NR; B-F, Plazia daphnoides Wedd.; B, sinus between two lobes of the central corolla showing numerous stomata (arrows) (TIOFH3); C, sinus between two lobes of the central corolla showing the reddish cluster of osmophoric papillae (ORO); D, abaxial view of one tooth of the marginal corolla showing the osmophore and two stomata (Safranin); E, papilla in the margin of one lobe of the central corolla, note the reddish secreting drop under the cuticle (ORO); F, papillae in the margin of a central corolla lobe, showing starch content as dark dots (IKI); G, lobe margin in the central corolla of Famatinanthus decussatus (Hieron.) Ariza & S.E. Freire, showing a cluster of starch grains below the epidermis (TIOFH3); H, I, Plazia daphnoides Wedd.; H, papillae at the lobe apex of the central corolla, note the lipophilic content (ORO); I, papillae at the lobe margin of the central corolla, note the thick cell wall and the striate cuticle (ORO). Abbreviations: OS, osmophore; SM, starch mass; ST, stoma. A, G, Funk & Bonifacino 13233 (LP); B, Ruthsatz s.n. (LP s.n.); C, Hunziker & Caso 6154 (LP); D, Cabrera 8331 (LP); E, I, Rauh P423 (LP); F, H, Zöllner 4902 (LP). Scale bars: A, 150 µm; B, F, G, 100 µm; C, E, H, I, 50 µm; D, 380 µm.
Figure 3 from: Dillon M, Luebert F (2014) Synopsis of Plazia Ruiz & Pav. (Onoserideae, Asteraceae), including a new species from northern Peru. PhytoKeys 34: 1-13. https://doi.org/10.3897/phytokeys.34.6151
Figure 3 - Plazia robinsonii M.O.Dillon & Sagást. Photograph of the holotype collection of A. López M. & A. Sagástegui A. 8123 (HUT).
Figure 1 from: Dillon M, Luebert F (2014) Synopsis of Plazia Ruiz & Pav. (Onoserideae, Asteraceae), including a new species from northern Peru. PhytoKeys 34: 1-13. https://doi.org/10.3897/phytokeys.34.6151
Figure 1 - Distribution map of the currently recognized species of Plazia. The shaded area indicates high-elevation areas of the Andes above 3000 m. Locality data were obtained from Cabrera (1951), Ferreyra (1995), Missouri Botanical Garden (http://www.tropicos.org/), Instituto de Botánica Darwinion (through http://www.gbif.org/) and the herbaria ASU, B, F, HUT, P, SGO, US.
Figure 2 from: Dillon M, Luebert F (2014) Synopsis of Plazia Ruiz & Pav. (Onoserideae, Asteraceae), including a new species from northern Peru. PhytoKeys 34: 1-13. https://doi.org/10.3897/phytokeys.34.6151
Figure 2 - Plazia robinsonii M.O. Dillon & Sagást. (drawn from A. López M. & A. Sagástegui A. 8123). A Flowering branch B External phyllary C Internal phyllary D Ligulate floret E Terminal portion of the style of ligulate florets F Stamen from ligulate floret G Disc floret H Stamen from disc floret I Achene.
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