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223 results for “Asclepiadoideae”
FIGURE 3 in Pollinarium morphology of Vincetoxicum (Apocynaceae: Asclepiadoideae) in Turkey
FIGURE 3. Vincetoxicum canescens subsp. pedunculata (Güven 51). a. Pollinarium (LM); b. Pollinarium (SEM); c. Pollen cells; d. Ornamentation.
FIGURE 2 in Pollinarium morphology of Vincetoxicum (Apocynaceae: Asclepiadoideae) in Turkey
FIGURE 2. Vincetoxicum canescens subsp. canescens (Güven 91). a. Pollinarium (LM); b. Pollinarium (SEM); c. Pollen cells; d. Ornamentation.
FIGURE 6 in Pollinarium morphology of Vincetoxicum (Apocynaceae: Asclepiadoideae) in Turkey
FIGURE 6. Vincetoxicum fuscatum subsp. fuscatum (Güven 106). a. Pollinarium (LM); b. Pollinarium (SEM); c. Pollen cells; d. Ornamentation.
FIGURE 1 in Pollinarium morphology of Vincetoxicum (Apocynaceae: Asclepiadoideae) in Turkey
FIGURE 1. The general structure of a pollinarium. a. SEM; b. Outline drawing. ca: caudicle, co: corpusculum, pc: pollen cell, po: pollinium.
FIGURE 9 in Pollinarium morphology of Vincetoxicum (Apocynaceae: Asclepiadoideae) in Turkey
FIGURE 9. Vincetoxicum scandens (Güven 03). a. Pollinarium (LM); b. Pollinarium (SEM); c. Pollen cells; d. Ornamentation.
FIGURE 4 in Sarcolobus cambogensis (Marsdenieae, Asclepiadoideae, Apocynaceae): A new rheophytic shrub from Cambodia
FIGURE 4. Flowers of Sarcolobus cambogensis A. Side view of gynostegium: prominent staminal corona (cr), apically truncate gynostegium (gy). B. Top view of gynostegium. C. Side view of pollinarium: narrow-oblong corpusculum (cp), wide, barely geniculate caudicles (cu), pollinium (p). D. Top view of pollinarium. (illustrations: Elizabeth McHone from M. Newman 2162)
FIGURE 3. Sarcolobus cambogensis. A. Habit. B. Stipular and laminar colleters. C. Follicular fruit. D in Sarcolobus cambogensis (Marsdenieae, Asclepiadoideae, Apocynaceae): A new rheophytic shrub from Cambodia
FIGURE 3. Sarcolobus cambogensis. A. Habit. B. Stipular and laminar colleters. C. Follicular fruit. D. Seed, without coma. (illustrations: Elizabeth McHone, A from H. Won photograph at type locality, B from H. Won 6398, C from M. Newman 2337, and D from H. Won 8697)
FIGURE 1 in Sarcolobus cambogensis (Marsdenieae, Asclepiadoideae, Apocynaceae): A new rheophytic shrub from Cambodia
FIGURE 1. Distribution of Sarcolobus cambogensis in Koh Kong province, Cambodia. Map generated with SimpleMappr (Shorthouse, 2010).
FIGURE 2. Sarcolobus cambogensis habitat and growth form. A. riparian habitat, B. shrubby habit, C in Sarcolobus cambogensis (Marsdenieae, Asclepiadoideae, Apocynaceae): A new rheophytic shrub from Cambodia
FIGURE 2. Sarcolobus cambogensis habitat and growth form. A. riparian habitat, B. shrubby habit, C. open follicle releasing seeds, and D. orange flowers (photographs: Hyosig Won from type locality)
FIGURE 1 in Marsdenia microcarpa, a new species of Marsdenia (Apocynaceae, Asclepiadoideae) from montane Guerrero, Mexico
FIGURE 1. Marsdenia microcarpa Juárez-Jaimes & Lozada-Pérez. A. Branch with inflorescences. B. Lateral view of the flower. C. Gynostegium showing corona lobes connate at base. D. Pollinia. E. Lateral view of rostrate corpuscle. F. Follicle. G. Seed. A, B, C, D from Lozada et al. 2822 (holotype: FCME). F. from Lozada et al. 3306 (MEXU). G. from Lozada et al. 3143 (MEXU).
FIGURE 2 in Hoya tamdaoensis (Apocynaceae, Asclepiadoideae), a new species from Vietnam
FIGURE 2. Photographs of flower details of Hoya tamdaoensis cultivated at the Singapore Botanic Gardens (M. Rodda MR729, SING): a. Three single flowers with evident corolla and corona; b. Corolla, abaxial view; c. Corona, top view; d. Corona, underneath; e. Corona, side view; f. Flower, longitudinal section; g. Calyx and ovaries, side view; h. Calyx and ovaries, top view; i. Immature peduncle borne on a young pubescent branch; j. Pollinarium. Photographs by M. Rodda.
FIGURE. 1 in Hoya tamdaoensis (Apocynaceae, Asclepiadoideae), a new species from Vietnam
FIGURE. 1. Photographs of a living plant of Hoya tamdaoensis cultivated at the Singapore Botanic Gardens (M. Rodda MR729, SING) a. Inflorescence, adaxial view; b. Inflorescence, abaxial view; c. Branch, peduncle, and pendulous inflorescence; d. Leaves, four leaves from mature to immature (left to right), each leaf adaxial (right) and abaxial (left); e. Leaves, side view, with evident attachment of the petiole to the lamina at almost right angle. Photographs by M. Rodda.
FIGURE 3. Schizoglossum austromontanum. A in Schizoglossum austromontanum, a novel new species from South Africa (Apocynaceae, Asclepiadoideae, Asclepiadeae)
FIGURE 3. Schizoglossum austromontanum. A, aerial part of flowering stem. B, leaf, ventral view. C, neck-section between base of the stem and attachment to tuber with adventitious nodes at top of the neck. D, full flower in side view. E, full flower in face view. F, side view of flower with petals and front calyx lobes removed showing corona, anthers and gynostegial column. G–J, corona lobes: G, tip of another lobe; H, side view; I, ventral view; J, dorsal view. K, pollinarium. Scale bars: A, B, C, 10 mm (between A & B); D, E, 2 mm (at D); F, 1 mm; G–J, 0.5 mm (between H & I); K, 0.2 mm. Voucher: S.P. Bester 7446 (GRA!; NH!; PRE!). Artist: G.S. Condy.
FIGURE 4 in Schizoglossum austromontanum, a novel new species from South Africa (Apocynaceae, Asclepiadoideae, Asclepiadeae)
FIGURE 4. Map of known distribution of Schizoglossum austromontanum (z). South Africa is shaded in gray. Map created in ArcGIS 10.1.
FIGURE 1. Schizoglossum austromontanum. A, B in Schizoglossum austromontanum, a novel new species from South Africa (Apocynaceae, Asclepiadoideae, Asclepiadeae)
FIGURE 1. Schizoglossum austromontanum. A, B, flowers (Makwarela 58). C, E, flowers in close-up; D, plant in habit (Bester 7446). F, habitat: Bastervoetpad, Eastern Cape Province. Scale bars: A, C, E, 10 mm; B, D, 20 mm. Photos: S.P. Bester.
FIGURE 3 in Periglossum podoptyches (Apocynaceae-Asclepiadoideae), a new species from KwaZulu-Natal province, South Africa
FIGURE 3. Comparison of the face (ventral-side) of the staminal corona lobes of A, Periglossum angustifolium; B, P. mackenii; and C, P. podoptyches. Note the T-shaped slits on and thickened apical portion in A & B in contrast to the featureless blade of C. Vouchers: A, E.J. Moll 3464 (PRE!); B, S.P. Bester 10817 (PRE!); C, S.P. Bester 10585 (PRE!). Scale bar: 1 mm. Artist: G.S. Condy.
FIGURE 1. Periglossum podoptyches. A in Periglossum podoptyches (Apocynaceae-Asclepiadoideae), a new species from KwaZulu-Natal province, South Africa
FIGURE 1. Periglossum podoptyches. A, apical portion of the stem with leaves and inflorescences. B, tuber. C, fully open flower in side view. D, dissected basal part of flower with corolla and corona lobes removed showing the gynostegial column. E, ventral flaps at base of staminal corona lobes with reduced interstaminal corona lobes on either side of basal foot of staminal corona lobe. F–H, staminal corona lobe; F, side view; G, dorsal view; H, ventral view with basal flaps. I, Pollinarium. J, immature fruit. Vouchers: A, B, A. Ngwenya 107 (NH); D–I, S.P. Bester 10585 (PRE); C, J, L.E. Codd 114 (PRE). Scale bar: A, B, J = 10 mm; C, F, G, H = 1 mm; D = 0.5 mm; E, I = 0.2 mm. Artist: G.S. Condy.
FIGURE 4 in Aspidoglossum albocoronatum (Apocynaceae, Asclepiadoideae), a new species with a remarkable petaloid corona from the northern provinces of South Africa
FIGURE 4. Variation in morphological expression of the staminal corona-lobes of Aspidoglossum albocoronatum. A–E: dorsal view of the five corona-lobes from a single flower showing the variation in expression of the main lobe to the back and the ventral appendage, Bester 5591. F–K, each pair showing one corona-lobe from different flowers (different collections), F 1 –K 1, ventral side; F 2 –K 2, dorsal side. F, Balkwill & Balkwill 9610; G, Maserumule 367; H, Swelankomo 189; I, Winter 4630; J, Bester 5546; K, Bester 5591. Scale bar: 0.6 mm. Artist: G. Condy.
FIGURE 3 in Aspidoglossum albocoronatum (Apocynaceae, Asclepiadoideae), a new species with a remarkable petaloid corona from the northern provinces of South Africa
FIGURE 3. Aspidoglossum albocoronatum: A–C, flower: A, viewed from side, front calyx and corolla removed; B, viewed from above; C, viewed from side, front calyx, corolla and corona-lobe removed. D & E: corolla: D, ventral side; E, dorsal side. F & G, calyx: F, ventral side; G, dorsal side. H–J: corona-lobe; H, side view with ventral appendages ("horns") to the left projecting over gynostegial column; I, ventral view; J, dorsal view. A–J: Bester 5591 (PRE). Scale bars: A–C (at C), 30 mm; D–G (at D), 2.5 mm; H–J (at H), 1.25 mm. Artist: G. Condy.
FIGURE 1 in Aspidoglossum albocoronatum (Apocynaceae, Asclepiadoideae), a new species with a remarkable petaloid corona from the northern provinces of South Africa
FIGURE 1. Aspidoglossum albocoronatum from Leolo Mountains, Sekhukhuneland, South Africa. A, flowers close-up showing elaborate corona lobes (white) and diminutive corolla rolled and twisted (maroon-brown). B, F, G, apical and sessile inflorescence in various views. C, leaves opposite to sub-opposite along stem (becoming verticillate towards apex—not shown here). D, E, leaves showing adaxial (left) and abaxial (right) sides with indumentum and prominent main vein. Scale bars: 10 mm. Photos: S.P. Bester.
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