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16 results for “Prosopanche”
FIGURE 6 in Prosopanche panguanensis (Aristolochiaceae), a new species from central Peru
FIGURE 6. Geographical locations of Prosopanche known from Peru. Prosopanche panguanensis (dot) and Tessmann's record (star; Harms 1935). Prepared by Carlos Martel.
FIGURE 5 in Prosopanche panguanensis (Aristolochiaceae), a new species from central Peru
FIGURE 5. Prosopanche panguanensis (A and C) and P. costaricensis (B and D). A–B. Perigonial tube from the insertion of the synandrium. C–D. Flower with the perigonial tube, tepals, with a removed tepal, and the synandrium. Photographs by Robin Fernandez, based on Fernandez & Flores 882 (MOL!) and González et al. 8861 (LSCR!).
FIGURE 3. Prosopanche panguanensis. A in Prosopanche panguanensis (Aristolochiaceae), a new species from central Peru
FIGURE 3. Prosopanche panguanensis. A. Cucullate staminodes (St) with rugged surface and fussed filaments (F) of the synandrium, in a cross section of the perigonial tube and view from below. B. Stigma with its irregularly folded lamellae, in a cross section of the perigonial tube and view from above. Photographs by Carlos Martel.
FIGURE 1. Prosopanche panguanensis. A in Prosopanche panguanensis (Aristolochiaceae), a new species from central Peru
FIGURE 1. Prosopanche panguanensis. A. Habit, with details of the emerging flowers and a rhizome section. B. Flower in anthesis with details of the tepals. C. Longitudinal section of a young flower. D. Synandrium, in two views with details of the thecae. E. Staminodes in a cross section of the perigonial tube, view from below. F. Lamellate stigma lamellae in a cross section of the perigonial tube, view from above. Drawing by Delsy Trujillo, based on Martel & Tello 85 (USM!).
FIGURE 4 in Prosopanche panguanensis (Aristolochiaceae), a new species from central Peru
FIGURE 4. Prosopanche panguanensis (A and C) and P. costaricensis (B and D). A–B. View of flowers in anthesis of P. panguanensis, with one tepal manually opened, and P. costaricensis. C–D. View from below of staminodes of P. panguanensis and P. costaricensis. Photographs by Robin Fernandez, based on Fernandez & Flores 882 (MOL!) and Flores 01 (CR!).
FIGURE 2. Prosopanche panguanensis. A in Prosopanche panguanensis (Aristolochiaceae), a new species from central Peru
FIGURE 2. Prosopanche panguanensis. A. Group of flowers, one in anthesis. B–C. Single flowers in their first-day anthesis, top and lateral view; note the valvate anthesis and tepals fused below two thirds of the synandrium. D. Flower, at second day of anthesis with the tepals manually opened and the pollen released. Photographs by Carlos Martel.
FIGURE 2. Prosopanche caatingicola. A–B in A new species of Prosopanche (Hydnoraceae) from northeastern Brazil
FIGURE 2. Prosopanche caatingicola. A–B. Plant removed from the ground, showing an underground flower bud (A) and a piece of the host root (B). C. Underground fruit exposed by removing its surrounding. D–E. Ripe fruit opened (E) to show the placenta and abundant seeds. F. Flower bud. G–J. Tip of the flower with one (H) or two (I–J) tepals removed to show synandrium (H–I) and staminodes (J). Photos by Ricardo Machado.
FIGURE 1. Prosopanche caatingicola. A. Habit, showing the 3–4 in A new species of Prosopanche (Hydnoraceae) from northeastern Brazil
FIGURE 1. Prosopanche caatingicola. A. Habit, showing the 3–4-anguled rhizomes, globose fruit and root of the host (arrow; scale bar = 1 cm). B. Flower (scale bar = 1 cm). C. Tip of the flower, with a tepal removed to show synandrium (scale bar = 0.4 cm). D–E. Flower, with two tepals removed, showing synandrium and bilobed staminodes (scale bar = 0.4 cm). F. Detail of bilobed staminodes (scale bar = 1.7 mm). Drawn by Klei Sousa, all from Machado et al. 652 except 1B from Machado et al. 653.
FIGURE 4 in Prosopanche cocuccii (Hydnoraceae): a new species from Southern Brazil
FIGURE 4. Photographs of Prosopanche cocuccii. A. Two flowers at anthesis in upper view. B. Fascicle of flowers of the same individual, after partial removal of the soil (arrows: flower buds or fruits. C–E. Emergent portion of flowers. C. Flower at early anthesis. D. Flower during anther dehiscence. E. Flower at post-anthesis. Bars: 1 cm.
FIGURE 1 in Prosopanche cocuccii (Hydnoraceae): a new species from Southern Brazil
FIGURE 1. Line drawings of Prosopanche cocuccii. A. Detail of the tepals and synandrium. B. Stigma surface. C. Detail of a staminode in frontal view. D. Upper view of the staminodes E. Synandrium in bottom view showing the staminodes. F. Seed. G. Habit (the hatched line indicates the height of the soil surface). H. Portion of the rhizome with a cluster of flower buds. I. Host root and rhizome with two flower buds on the left. (Illustrated by Rafaella Migliavacca Marchioretto).
FIGURE 6 in Prosopanche cocuccii (Hydnoraceae): a new species from Southern Brazil
FIGURE 6. Flower morphology of Prosopanche cocuccii. A–D. Synandrium in frontal view of one of the anthers. A. Synandrium at preanthesis. B. Synandrium at very early anthesis (arrows: insertion point of the filament). C. Synandrium at anthesis, with dehiscent thecae. D–F. Stigma in upper view. D. Fresh stigma at pre-anthesis, with a mucilaginous substance in the surface (sl: stigmatic lamella). E. Dried stigma at pre-anthesis (sl: stigmatic lamella). F. Detail of the stigmatic lamellae (arrow: fold in a stigmatic lamella). G. Ovarian region in cross-section, showing the laminar, parietal placenta in the center, and channels with a mucilaginous substance in the periphery. H. Detail of a lamella in the placenta showing many ovules (arrow: ovule). Bars: A. 1.6 mm. B–F: 1 mm.
FIGURE 3. A in Prosopanche cocuccii (Hydnoraceae): a new species from Southern Brazil
FIGURE 3. A. Habitat of Prosopanche cocuccii, showing the property near the type locality with Atlantic Forest remnants in the background. B. Tobacco field in the type locality. Arrow indicates a location with parasitized plants. C. Detail of a plant with severe damage due to parasitism (arrow). To show the parasite, part of the roots was exposed. Arrowheads indicate some of the many flowers of the parasitic plant.
FIGURE 2 in Prosopanche cocuccii (Hydnoraceae): a new species from Southern Brazil
FIGURE 2. Known distribution for Prosopanche cocuccii in Rio Grande do Sul, Brazil.
FIGURE 8 in Prosopanche cocuccii (Hydnoraceae): a new species from Southern Brazil
FIGURE 8. Fruits and seeds of Prosopanche cocuccii. A. Immature fruits. On the right, a fruit just after the emergent portion of the flower falls. The soil was partially removed. B. Mature fruit, showing the irregularly longitudinal dehiscence. C. Upper view of a dehiscent fruit being visited by ants, showing the fleshy pulp and numerous seeds (arrow: ant). D. Dried seed. Bar: 0.1 mm.
FIGURE 7 in Prosopanche cocuccii (Hydnoraceae): a new species from Southern Brazil
FIGURE 7. Staminode morphology of Prosopanche cocuccii. A–D. Sections of fresh flowers at pre-anthesis. A. Longitudinal section of the synandrium and the perigone tube with a frontal view of a staminode. B. Cross section in perigonial tube, showing a bottom view of the synandrium and staminodes. C. Staminodes in upper view. D. Detail of a staminode in frontal view. E–F. Cross-sections of perigonial tube of dried flowers at pre-anthesis. E. Bottom view. F. Upper view. (pt: perigonial tube; sy: synandrium. Arrow indicates the appendage in a staminode lobe. Bars: A–C. 1 mm. D–E. 2 mm. F. 0.6 mm. G. 5 mm. H. 0.5 mm.
FIGURE 5 in Prosopanche cocuccii (Hydnoraceae): a new species from Southern Brazil
FIGURE 5. Underground structures of Prosopanche cocuccii. A. Fascicle of flower buds at a portion of the rhizome, showing a fascicle on the left and solitary flowers on the right. B. Flower at anthesis next to a developing flower bud. C. Rhizome fragment and host root (arrow), showing some of its branches (detail: rhizome in cross-section). Bars: A–C. 1 cm. Detail in C: 5 mm.
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