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14 results for “Sinosenecio”
Sinosenecio yangii (Asteraceae), a new species from Guizhou, China
<p>A new species <em>Sinosenecio yangii</em> D.G. Zhang & Q. Zhou (Asteraceae, Senecioneae) from Guizhou Province, China, is described and illustrated based on its morphological characteristics and molecular evidence. It closely resembles <em>S</em>. <em>confervifer</em> and <em>S</em>. <em>guangxiensis</em>, the former in the scapigerous habit and smooth and glabrous achene surface, the latter in the calyculate involucre and purple abaxial leaf surface, and both in the shape and indumentum of leaf lamina, but differs markedly from the latter two in having fewer capitula and epappose achenes. Phylogenetic analysis based on nrITS and ndhC-trnV sequences shows that this new species belongs to the <em>S</em>. <em>latouchei</em> clade and is sister to <em>S</em>. <em>guangxiensis</em> with moderate support.</p>
Sinosenecio yangii (Asteraceae), a new species from Guizhou, China
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FIGURE 3 in Sinosenecio jiuzhaigouensis (Asteraceae, Senecioneae), a new species from Sichuan, China
FIGURE 3. Floral micromorphological characters, achene surface, and mitotic metaphase chromosomes of Sinosenecio jiuzhaigouensis. A. Uniformly sized cells of filament collar. B. Polar endothecial cell wall thickenings. C. Smooth achene surface. D. Mitotic metaphase chromosomes (2n = 60). Voucher: Bin Chen CB07115 (CSH, IBSC).
FIGURE 4 in Sinosenecio qii (Asteraceae, Senecioneae), a hitherto imperfectly known species from southern Hunan, China
FIGURE 4. Sinosenecio globiger in the wild (China, western Hunan, Sangzhi, Badagong Shan). A. Habitat. B. Habit. C. Distal portion of stem. D. Middle portion of stem. E. Leaf (adaxial side). F. Leaf (abaxial side). G. Capitula (top view). H. Capitula (lateral view). Photographed by Qiong Yuan.
FIGURE 7 in Sinosenecio qii (Asteraceae, Senecioneae), a hitherto imperfectly known species from southern Hunan, China
FIGURE 7. Mitotic metaphase chromosomes (A, B; 2n = 48) of Sinosenecio qii; voucher: Y.P. Zeng 600 (IBSC). Both the same scale.
FIGURE 2 in Sinosenecio qii (Asteraceae, Senecioneae), a hitherto imperfectly known species from southern Hunan, China
FIGURE 2. Sinosenecio qii in the wild (China, southern Hunan, Jianghua). A. Habitat. B. Habit. C. Lower portion of an individual, showing rhizome and roots. D. Portion of stem. E. Leaf (left: adaxial side; right: abaxial side). F. Capitulum (lateral view). G. Capitulum (top view). H. Capitulum (longitudinal section). I. Phyllaries (abaxial side). J. Ray florets. K. Disk florets. L. Achenes. Photographed by You-pai Zeng.
FIGURE 6 in Sinosenecio qii (Asteraceae, Senecioneae), a hitherto imperfectly known species from southern Hunan, China
FIGURE 6. Two floral micromorphological characters (A, B) and achene surface features (C) of Sinosenecio qii. A. Uniformly sized cells of filament collar of stamens. B. Polar and radial anther endothecial cell wall thickenings. C. Smooth achene surface. All from Y.P. Zeng 600 (IBSC).
FIGURE 3. A in Sinosenecio qii (Asteraceae, Senecioneae), a hitherto imperfectly known species from southern Hunan, China
FIGURE 3. A specimen of Sinosenecio qii (Y.P. Zeng 600; IBSC) from Jianghua in southern Hunan, China.
FIGURE 2 in Sinosenecio jiuzhaigouensis (Asteraceae, Senecioneae), a new species from Sichuan, China
FIGURE 2. Holotype (A) and isotype (B) sheets of Sinosenecio jiuzhaigouensis.
FIGURE 1. Sinosenecio jiuzhaigouensis. A. Habitat. B in Sinosenecio jiuzhaigouensis (Asteraceae, Senecioneae), a new species from Sichuan, China
FIGURE 1. Sinosenecio jiuzhaigouensis. A. Habitat. B. Plants in vegetative period, not flowering. C. An individual in vegetative period, showing the rhizome. D. Leaves (left: adaxial side; right: abaxial side). E. A flowering individual in cultivation. F. Capitulum (longitudinal section). G. Phyllaries. H. Ray floret. I. Disk florets. Voucher: Bin Chen CB07115 (CSH, IBSC).
FIGURE 5 in Sinosenecio qii (Asteraceae, Senecioneae), a hitherto imperfectly known species from southern Hunan, China
FIGURE 5. Two selected specimens of Sinosenecio globiger (Q.E. Yang et al. 575; PE) from the Badagong Shan in Sangzhi in western Hunan, China.
FIGURE 4 in Sinosenecio jiuzhaigouensis (Asteraceae, Senecioneae), a new species from Sichuan, China
FIGURE 4. Distribution of Sinosenecio jiuzhaigouensis (●).
FIGURE 8 in Sinosenecio qii (Asteraceae, Senecioneae), a hitherto imperfectly known species from southern Hunan, China
FIGURE 8. Distribution of Sinosenecio qii (●).
FIGURE 1 in Sinosenecio qii (Asteraceae, Senecioneae), a hitherto imperfectly known species from southern Hunan, China
FIGURE 1. Holotype of Sinosenecio qii.
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