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65 results for “Theaceae”
Data from: Conservation of Chinese Theaceae species under future climate and land use changes
<p><span>Aim: </span><span>Climate and land use changes are two major pervasive and growing global causes of rapid changes in the distribution patterns of biodiversity, challenging the future effectiveness of protected areas (PAs), which were mainly designed based on a static view of biodiversity. Therefore, evaluating the effectiveness of protected areas for protecting the species threatened by climate and land use change is critical for future biodiversity conservation. </span></p> <p><span>Location: </span><span>China</span></p> <p><span>Methods:</span> <span>Here, using distributions of 200 Chinese Theaceae species and ensemble species distribution models, we identified species threatened by future climate and land use change (i.e. species with predicted loss of suitable habitat ≥ 30%) under scenarios incorporating climate change, land use change and dispersal. We then estimate the richness distribution patterns of threatened species and identify priority conservation areas and conservation gaps of the current PA network. </span></p> <p><span>Results: </span><span>Our results suggest that 36.30%-51.85% of Theaceae species will be threatened by future climate and land use conditions, and that although the threatened species are mainly distributed at low latitudes in China under both current and future periods, the mean richness of the threatened species per grid cell will decline by 0.826-3.188 species by the 2070s. Moreover, we found that these priority conservation areas are highly fragmented and that the current PA network only covers </span><span>14.21%-20.87% </span><span>of </span><span>the </span><span>'</span><span>areas worth exploring</span><span>' and 6.91%</span><span>-</span><span>7.91</span><span>% </span><span>of </span><span>the </span><span>'</span><span>areas worth attention</span><span>'.</span></p> <p><span>Main conclusions: </span><span>Our findings</span><span> highlight the necessity of establishing new protected areas and ecological corridors in priority conservation areas to protect the threatened species. Moreover, </span><span>our findings</span><span> also highlight the importance of taking into consideration the potential threatened species under future climate and land use conditions when designating priority areas for biodiversity conservation.</span></p>
Data from: Conservation of Chinese Theaceae species under future climate and land use changes
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FIGURE 9. Male genitalia, E in Sawflies of the genus Emphytopsis (Hymenoptera, Tenthredinidae) associated with Stewartia (Theaceae) in Japan
FIGURE 9. Male genitalia, E. nigromaculata (A–D, I–K) and E. vernalis, paratypes (E–H, L–N).—A, E, Genital capsules, dorsal view; B, F, do., ventral view; C, G, I–N, penis valves, lateral view (left dorsal); D, H, valviceps. A–D, K, Nikko; E–J, L, Nakagawa; M, Kanuma; N, Shin-onsen.
FIGURE 3 in Sawflies of the genus Emphytopsis (Hymenoptera, Tenthredinidae) associated with Stewartia (Theaceae) in Japan
FIGURE 3. Heads (A–L) and apical ovipositor sheath (M), E. nigromaculata (A–E), E. flatoserrula (F), E. shinoharai (G) and E. vernalis (H–M).—A–C, Female, holotype; D, E, male, Nakagawa; F–J, M, females, holotypes; K, L, male, Nakagawa, paratype.
FIGURE 6 in Sawflies of the genus Emphytopsis (Hymenoptera, Tenthredinidae) associated with Stewartia (Theaceae) in Japan
FIGURE 6. Emphytopsis shinoharai, lancets, Nanokawagoe, Shikoku, paratype (A–D) and Fudounomine, Honshu (E–H).—A, E, Whole lancets; B, F, 1st to 5th serrulae; C, 6th to 10th serrulae; D, apex of lancet, showing 10th to terminal serrulae; G, 5th to 10th serrulae; H, apex of lancet, showing 11th to terminal serrulae.
FIGURE 10 in Sawflies of the genus Emphytopsis (Hymenoptera, Tenthredinidae) associated with Stewartia (Theaceae) in Japan
FIGURE 10. Number of adult specimens of two Emphytopsis species collected at Wami, Nakagawa, Tochigi Prefecture, showing different timing of emergence. Combined data from 2010 to 2014.
FIGURE 8 in Sawflies of the genus Emphytopsis (Hymenoptera, Tenthredinidae) associated with Stewartia (Theaceae) in Japan
FIGURE 8. Emphytopsis vernalis, lancet, Mt. Gokaharadake, Kyushu, paratype.—A, Whole lancet; B, 1st to 5th serrulae; C, apical part of lancet, showing 6th to terminal serrulae.
FIGURE 5 in Sawflies of the genus Emphytopsis (Hymenoptera, Tenthredinidae) associated with Stewartia (Theaceae) in Japan
FIGURE 5. Emphytopsis nigromaculata, lancets, Honshu, Nakagawa (A–D) and Nikko (E–G).—A, E, Whole lancets; B, 1st to 5th serrulae; C, 6th to 10th serrulae; D, apex of lancet, showing 11th to terminal serrulae; F, 1st to 3rd serrulae; G, apical part of lancet, showing 4th to terminal serrulae.
FIGURE 1 in Sawflies of the genus Emphytopsis (Hymenoptera, Tenthredinidae) associated with Stewartia (Theaceae) in Japan
FIGURE 1. Emphytopsis nigromaculata, Nikko (A–E) and E. vernalis, Kanuma (F–K).—A, Last feeding instar larva, July 2, 2009; B, prepupa, July 2, 2009; C, middle instar larva, June 14, 2009; D, damages of a leaf of Stewartia pseudocamellia by early to middle instar larvae, June 14, 2009; E, adult female, May 17, 2009; F, last feeding instar larva, June 15, 2008; G, prepupa, June 12, 2009; H, prepupa just after extra molt and cast skin, June 17, 2008; I, damages of leaves of S. pseudocamellia by late instar larvae, June 15, 2008; J, two eggs deposited in a young leaf of S. pseudocamellia, May 1, 2012; K, adult female, April 19, 2009. All digital images taken by T. Saito.
FIGURE 4 in Sawflies of the genus Emphytopsis (Hymenoptera, Tenthredinidae) associated with Stewartia (Theaceae) in Japan
FIGURE 4. Emphytopsis nigromaculata, lances and lancets, Mt. Sobo, Kyushu, holotype, (A–D) and Yanase, Shikoku, paratype (E–H).—A, E, Whole lances and lancets; B, F, 1st to 5th serrulae; C, 7th to 11th serrulae; D, apex of lance and lancet, showing12th to terminal serrulae; G, 5th to 10th serrulae; H, apex of lance and lancet, showing13th to terminal serrulae.
FIGURE 7 in Sawflies of the genus Emphytopsis (Hymenoptera, Tenthredinidae) associated with Stewartia (Theaceae) in Japan
FIGURE 7. Emphytopsis vernalis, lancets, Honshu, Nakagawa (A–D) and Kanuma (E–G), paratypes.—A, E, Whole lancets; B, F, 1st to 5th serrulae; C, 6th to 9th serrulae; D, apex of lancet, showing 10th to terminal serrulae; G, apical part of lancet, showing 6th to terminal serrulae.
FIGURE 1. Pyrenaria jonquieriana Pierre. A–B in Taxonomic treatments of Pyrenaria jonquieriana (Theaceae) and related taxa
FIGURE 1. Pyrenaria jonquieriana Pierre. A–B. Ovary; C. Sepals (up row) and petals (down row). D–I. Fruits, showing the continuous variation of fruit shape from ellipsoid to subglobose. A, C, F from S. X. Yang et al. 6220 (KUN); B, D from Harmand 4005 (P00130113); E from Harmand 1159 (P00130116); G from Poilane 15800 (P04511086); H from Poilane 11310 (P04511097); I from Poilane 24388 (P04510989).
FIGURE 1. Camellia luteocalpandria S.X.Yang & E.D. Liu. A. Habitat. B. Habit. C in Camellia luteocalpandria (Theaceae), a new species and the first discovery of sect. Calpandria in China
FIGURE 1. Camellia luteocalpandria S.X.Yang & E.D. Liu. A. Habitat. B. Habit. C. Adaxial surface of leaves. D. Abaxial surface of leaves. E. Front view of the flower and the indumentum of adaxial leaf surface. F. Side view of the flower and the indumentum of abaxial leaf surface, petiole and young branches. G. Back view of the flower. H. Bracteoles (the first two) and sepals (the last five). I. Petals. J. Front view of the androecium. K. Side view of the androecium. L. Outerside of the dried bracteoles. M. Inside of the dried bracteoles.
FIGURE 2 in Camellia hainingii, a new species of Theaceae in China
FIGURE 2. Morphological comparison between Camellia hainingii (A–G) and C. pachyandra (H–N). A, H. Abaxial surface of leaves. B, I. Young branches, terminal buds and petioles. C, J. Adaxial surface of 'Perules' (bracteoles and sepals). D, K. Stamens. E, L. Inner filaments. F, M. Pistils, showing the indumentum of ovaries. G, N. Capsules, showing furfuraceous (G) and smooth (N) pericarp. Photos by S.X. Yang.
FIGURE 1. Camellia hainingii S.X.Yang et Y.S. Huang. A. Habitat. B. Adaxial leaves. C. Abaxial leaves. D. Semitransparent veins. E in Camellia hainingii, a new species of Theaceae in China
FIGURE 1. Camellia hainingii S.X.Yang et Y.S. Huang. A. Habitat. B. Adaxial leaves. C. Abaxial leaves. D. Semitransparent veins. E. Front view of the flower. F. Back view of the flower. G. Side view of the flower. H. 'Perules' (bracteoles and sepals). I. Stamens. J. Pistil. K. Peltals. L. Front view of the fruit. M. Side view of the fruit. N. Seed (left) and dehiscent pericarp (right). Photos by S.X. Yang.
FIGURE 1. Polyspora gioii. A. Young twig. B. Vegetative bud. C. Leaf, adaxial surface. D. Leaf, abaxial surface. E. Leaf apex. F in Polyspora gioii (Theaceae), a new species from Vietnam
FIGURE 1. Polyspora gioii. A. Young twig. B. Vegetative bud. C. Leaf, adaxial surface. D. Leaf, abaxial surface. E. Leaf apex. F. Stellate and tomentose hairs on abaxial lamina. G. Flower, side view. H. Flower, top view. I. Perules. J. Style and stigma. K. Ovary. L. Petals and stamens. M. Capsule. N. Seeds. Photos by Lưu Hồng Trường.
FIGURE 2. Camellia psilocarpa X.G. Shi & C.X in Camellia psilocarpa (Theaceae), a new species from Guangdong, China, based on morphological and molecular data
FIGURE 2. Camellia psilocarpa X.G. Shi & C.X. Ye, sp. nov. A. Flowering branch; B. Dissection of a flower; C. Pistil showing ovary, style and stigma; D. Partial stamens, front view(left) and dorsal view(right); E. Undifferentiated bracteoles and sepals; F and G. Loculicidal capsule, apical view(F) and bottom view(G); H. Fruiting branch, showing globose capsule; I. Seed. Drawn by Yun-Xiao Liu.
FIGURE 1 in Camellia psilocarpa (Theaceae), a new species from Guangdong, China, based on morphological and molecular data
FIGURE 1. The MP tree and NJ tree inferred from the chloroplast DNA dataset. MP and NJ bootstrap values over 50 % are given at nodes.
Evolution and amplification of the trehalose-6-phosphate synthase gene family in Theaceae
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FIGURE 2. Camellia proensis. A. Leaf. B in Camellia proensis (Theaceae, sect. Piquetia), a new species from Southern Vietnam
FIGURE 2. Camellia proensis. A. Leaf. B. Venation of leaf (adaxial surface). C. Venation of leaf (abaxial surface). D. Flower bud. E, F. Flower. G. Sepals. H. Petals. I. Stamens. K. Styles and gynoecium. L. Fruit. M. Seed. Drwaing by Luong Van Dung.
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