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339 results for “Vincetoxicum”
FIGURE 5 in Vincetoxicum strigosum (Asclepiadoideae, Apocynaceae), a new species from northeastern Thailand
FIGURE 5. Photographs of Vincetoxicum strigosum. A, B. Habitat. C. Inflorescence. Photographs by A. Kidyoo.
FIGURE 4 in Vincetoxicum strigosum (Asclepiadoideae, Apocynaceae), a new species from northeastern Thailand
FIGURE 4. SEM images of Vincetoxicum strigosum (A–C) and V. kerrii (D-F). A, D. Surface of adaxial epidermal cells, with flat (A) or papillose (D) outer periclinal wall of epidermal cells. B, E. High magnification of A and D showing accumulation of cuticle components that takes the form of an interlace pattern (B) comprising rings of ten or more elongated elements arranged around a circular area and joining one another, or a striation (E). C, F. Surface of abaxial epidermal cells. Photographs taken from A. Kidyoo 51 A-C and A. Kidyoo 65 D-F.
FIGURE 1 in Vincetoxicum strigosum (Asclepiadoideae, Apocynaceae), a new species from northeastern Thailand
FIGURE 1. Illustrations of Vincetoxicum strigosum sp. nov. A. Flowering branch. B. Adaxial leaf surface showing strigose indumentum. C. Abaxial leaf surface that is nearly glabrous. D. Flower bud. E. Side view of flower. F. Top view of flower. G. Top view of calyx. H. Side view of corona and gynostegium. I. Pollinarium. From A. Kidyoo 51. Drawn by A. Kidyoo.
FIGURE 3 in Vincetoxicum strigosum (Asclepiadoideae, Apocynaceae), a new species from northeastern Thailand
FIGURE 3. Photographs of Vincetoxicum strigosum (A–C) and V. kerrii (D-F). A. Strigose adaxial leaf surface. B. Transverse section of leaf blade (spirit collection) stained with safranin O showing smooth adaxial epidermis. C. Pollinarium with obovate-shaped corpusculum. D. Glabrous adaxial leaf surface. E. Transverse section of leaf blade (spirit collection) stained with safranin O showing papillose adaxial epidermis. F. Pollinarium with oblong-shaped corpusculum. Photographs taken from A. Kidyoo 51 A-C and A. Kidyoo 65 D-F.
FIGURE 2 in Vincetoxicum strigosum (Asclepiadoideae, Apocynaceae), a new species from northeastern Thailand
FIGURE 2. Photographs of Vincetoxicum strigosum (A–D) and V. kerrii (E-H). A, E. Inflorescence in side view. B, F. Flower in top view. C, G. Gynostegium in side view. D, H. Calyx. Photographs taken from A. Kidyoo 51 A-D and A. Kidyoo 65 E-H.
FIGURE 4. Vincetoxicum stylesii. A, Leaves from a long and a in A new endemic Vincetoxicum (Apocynaceae) in the Eastern Cape, and a conspectus of the genus for South Africa
FIGURE 4. Vincetoxicum stylesii. A, Leaves from a long and a short shoot; A´, Leaf from a long shoot; B, Flower in top view; C, Flower from adaxial side; D, Gynostegium with corona in lateral view; E, Style-head with two pollinaria still attached (natural position after removal of anthers); F, Pollinarium. Drawn by U. Meve from Styles 5401 (A, B) and Styles 5722 (A´, C–F).
FIGURE 3. Vincetoxicum stylesii. A in A new endemic Vincetoxicum (Apocynaceae) in the Eastern Cape, and a conspectus of the genus for South Africa
FIGURE 3. Vincetoxicum stylesii. A, Habit (from Styles 5722, UBT); B, Root system; C, Inflorescence (Styles 5401); D, Flower; E, Corona (and papillate corolla bases) in top view (glossiness of corona lobes due to nectar coating; from Styles 5722). Photograps by D. Styles (B-D) and A. Heiduk (E).
FIGURE 2 in A new endemic Vincetoxicum (Apocynaceae) in the Eastern Cape, and a conspectus of the genus for South Africa
FIGURE 2. Phylogenetic position of Vincetoxicum stylesii in the genus and in the tribe Asclepiadeae. Recognized lineages without new accessions are summarized by triangles. Numbers indicate Maximum Likelihood bootstrap support (BSML)/Bayesian Posterior Probability (PP); groups with BSML>85 and PP>0.90 are indicated by bold lines (except for V. stylesii, and two taxa, this tree is identical to the one shown in Liede-Schumann et al. (2016; study 15858 of TreeBase, https://treebase.org/treebase-web/search/study/summary. html?id=15858).
FIGURE 1 in Vincetoxicum (Apocynaceae: Asclepiadoideae) in Taiwan: Two new combinations and a new record
FIGURE 1. Vincetoxicum in Taiwan. A. V. atratum. B. V. brownii. C. V. chinense. D. V. fordii. E. V. hirsutum. F. V. insulicola. G. V. lui. H. V. oshimae. I. V. sui. J. V. taiwanense. Photographers. A, C, H, I & J, Shih-Wen Chung. B, D & E, Tian-Chuan Hsu. F, Ming-Yu Kuo. G. Po-Hao Chen.
FIGURE 2 in Vincetoxicum emeiense (Asclepiadeae, Asclepiadoideae, Apocynaceae), a new species from Sichuan, China
FIGURE 2. Vincetoxicum emeiense (at the type locality). (A) habitat, (B) flowering branch, (C) inflorescence, (D–E) adaxial and abaxial leaf surface, (F–G) corolla lobes, (H) corona and gynostegium in side view, (I) gynostegium in top view, (J) pollinarium, showing its position, (K) pollinarium. Photographed by Ming-Han Li (A & C), Qi-Yi Yang (B, D–G) and Jian-Yong Shen (H–K, the photos were taken from flowers preserved in alcohol).
Data from: Long-term persisting hybrid swarm and geographic difference in hybridization pattern: genetic consequences of secondary contact between two Vincetoxicum species (Apocynaceae–Asclepiadoideae)
Open the record for dataset details and reuse information.
Fig. 3 in Contribution to chromosome numbers and phylogeny of Turkish Vincetoxicum Wolf (Apocynaceae, Asclepiadoideae)
Fig. 3. Phylogenetic tree of Vincetoxicum s. str., including Turkish samples (in bold) based on the combined dataset (ITS and trnT- trnL). The support values on branches indicate Jackknife (JK) and Posterior Probability (PP) higher than 50% and 0.7, respectively. Clade designations correspond to Liede-Schumann et al. (2016). Refer to Appendix 1 for accession abbreviations (G:Güven, M:Makbul).
Fig. 1 in Contribution to chromosome numbers and phylogeny of Turkish Vincetoxicum Wolf (Apocynaceae, Asclepiadoideae)
Fig. 1. Somatic metaphase chromosome (1 = light microscope; 2 = outline drawing). a. Vincetoxium canescens (Willd.) Decne. subsp. canescens (Güven 36 & Makbul, 2n=22). b. V. canescens (Willd.) Decne. subsp. pedunculata Browicz (Güven 51 & Makbul, 2n=22). c. V. funebre Boiss. & Kotschy (Güven 126 & Makbul, 2n=22). d. V. fuscatum (Hornem.) Rchb. subsp. boissieri (Kusn.) Browicz (Güven 35 & Makbul, 2n=44). e. V. fuscatum (Hornem.) Rchb. subsp. fuscatum (Güven 93 & Makbul, 2n=44). Scale bars = 5 µm.
Fig. 2 in Contribution to chromosome numbers and phylogeny of Turkish Vincetoxicum Wolf (Apocynaceae, Asclepiadoideae)
Fig. 2. Somatic metaphase chromosome (1 = light microscope; 2 = outline drawing). a. Vincetoxicum hirundinaria Medik. subsp. hirundinaria (Güven 135 & Makbul, 2n=22). b. V. parviflorum Decne. (Güven 80 & Makbul, 2n=22). c. V. scandens Sommier & Levier (Güven 30 & Makbul, 2n=22). d. V. speciosum Boiss. & Spruner (Güven 137 & Makbul, 2n=22). e. V. tmoleum Boiss. (Güven 72 & Makbul, 2n=22). Scale bars = 5 µm.
FIGURE 1 in A new endemic Vincetoxicum (Apocynaceae) in the Eastern Cape, and a conspectus of the genus for South Africa
FIGURE 1. Distribution map for Vincetoxicum stylesii (RSA, Eastern Cape; see black dots).
Figure 9 from: Shah SA, Sultan A, Wen J, Ullah Z, Nisa SU, Ren Z, Alam MM, Iqbal J, Mumtaz AS (2021) Taxonomy of Vincetoxicum s.str. (Asclepiadoideae, Apocynaceae) from southern Asia including three new species and resurrected names. PhytoKeys 179: 35-73. https://doi.org/10.3897/phytokeys.179.62514
Figure 9 Vincetoxicum cardiostephanum illustrated by S.A. Shah & S.U. Nisa from S.A. Shah, W. Hussain, Murtaza & M. Ullah SAS-40 (RAW!) A flowering plant B flower in natural orientation C corolla lobes D corona (black) E follicle.
Figure 8 from: Shah SA, Sultan A, Wen J, Ullah Z, Nisa SU, Ren Z, Alam MM, Iqbal J, Mumtaz AS (2021) Taxonomy of Vincetoxicum s.str. (Asclepiadoideae, Apocynaceae) from southern Asia including three new species and resurrected names. PhytoKeys 179: 35-73. https://doi.org/10.3897/phytokeys.179.62514
Figure 8 Field photographs of Vincetoxicum cardiostephanumA habit B inflorescence C, D follicle. Photos by S.A. Shah.
Figure 5 from: Shah SA, Sultan A, Wen J, Ullah Z, Nisa SU, Ren Z, Alam MM, Iqbal J, Mumtaz AS (2021) Taxonomy of Vincetoxicum s.str. (Asclepiadoideae, Apocynaceae) from southern Asia including three new species and resurrected names. PhytoKeys 179: 35-73. https://doi.org/10.3897/phytokeys.179.62514
Figure 5 Field photographs of Vincetoxicum arnottianumA habit B leaves and inflorescences C flowers D follicles. Photos by S.A. Shah.
Figure 4 from: Shah SA, Sultan A, Wen J, Ullah Z, Nisa SU, Ren Z, Alam MM, Iqbal J, Mumtaz AS (2021) Taxonomy of Vincetoxicum s.str. (Asclepiadoideae, Apocynaceae) from southern Asia including three new species and resurrected names. PhytoKeys 179: 35-73. https://doi.org/10.3897/phytokeys.179.62514
Figure 4 Pollinaria of southern Asian VincetoxicumA, BV. arnottianumCV. cabulicumD, EV. cardiostephanumFV. glaucumG, HV. kenourienseI, JV. lenifoliumK, LV. luridumMV. lenifoliumN, OV. sakesarensePV. stewartianumQ, RV. stocksiiS, TV. subcanescens.
Figure 6 from: Shah SA, Sultan A, Wen J, Ullah Z, Nisa SU, Ren Z, Alam MM, Iqbal J, Mumtaz AS (2021) Taxonomy of Vincetoxicum s.str. (Asclepiadoideae, Apocynaceae) from southern Asia including three new species and resurrected names. PhytoKeys 179: 35-73. https://doi.org/10.3897/phytokeys.179.62514
Figure 6 Geographic distribution of southern Asian Vincetoxicum. The colour of the symbols corresponds to the colour of the corolla.
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