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56 results for “sect. Platycentrum”
FIGURE 2. Begonia pendens H.Q.Nguyen, Y.M.Shui & W.H in Two new baccate species of Begonia sect. Platycentrum (Begoniaceae) from Vietnam
FIGURE 2. Begonia pendens H.Q.Nguyen, Y.M.Shui & W.H.Chen sp. nov. (All from holotype) A. Plant and habitat; B. Rhizome; B'. Stipules; C. Adaxial view of leaf; D. Close up of leaf, adaxial surface; E. Abaxial view of leaf; F. Close-up of leaf, abaxial surface; G. Inflorescence; H. Front view of staminate flowers; I. Lateral view of staminate flowers; J. Front view of pistillate flower; K. Lateral view of pistillate flower; L. Infructescence; M. Front and lateral view of fruits; N. Serial cross sections of an ovary from the top to the bottom. Scale bar: B, D, F, G–M=1cm, B, N = 5 mm, C, E = 4 mm. (A, G, J, K, L photographed by Y.M. Shui, B–F, H, I, M, N by S.W. Guo)
FIGURE 1 in Two new baccate species of Begonia sect. Platycentrum (Begoniaceae) from Vietnam
FIGURE 1. The geographical distribution of Begonia pendens H.Q. Nguyen, Y.M. Shui & W.H. Chen sp. nov. (square) and Begonia satelloides Y.M. Shui, H.Q. Nguyen & W.H. Chen sp. nov. (triangle).
FIGURE 3. Begonia tadungensis T.V in Begonia tadungensis (Begonia sect. Platycentrum), a new species from southern Vietnam
FIGURE 3. Begonia tadungensis T.V.Do. sp. nov. A. Habit; B. Rhizome with white dots; C. Adaxial leaf surface; D. Abaxial leaf surface; E. Setulose hairs on adaxial leaf surface; F. Stipule (indicated by a white arrow); G. Inflorescence bearing staminate and pistillate flowers and fruits; H. Staminate flower with 4 tepals and a puberulous and long pedicel; I. Pistillate flower with 4 outer tepals and 2 inner tepals and three free styles with twisted 2-lobed stigmas; J. Dorsal view of tepals of staminate flower showing outer surface puberulous; K. Ovary obovate to turbinate, red, and puberulous. Photos by Do Van Truong
FIGURE 2 in Begonia tadungensis (Begonia sect. Platycentrum), a new species from southern Vietnam
FIGURE 2. Paratype of Begonia tadungensis T.V.Do. sp.nov. (M. Schmid s.n. deposited at P) (http://coldb.mnhn.fr/catalognumber/mnhn/p/p00539132)
FIGURE 2. Begonia scorpiuroloba D.K. Tian & Q in Begonia scorpiuroloba, a new species in Begonia sect. Platycentrum (Begoniaceae) from southern Guangxi of China
FIGURE 2. Begonia scorpiuroloba D.K. Tian & Q. Tian (drawn by Yanxin Piao) A. Plant; B. Leaf showing lobe shape variation; C. Inflorescence on short stem; D. Inflorescence at early stage of development; E. Front view of male flower; F. Front view of female flower; G. Front view of stigmas; H. Side view of styles and stigmas; I. Side view of female flower showing ovary and bractlets on the pedicel near the ovary (pointed out by the red arrow); J. Dissection of ovary showing placenta.
FIGURE 4 in Begonia scorpiuroloba, a new species in Begonia sect. Platycentrum (Begoniaceae) from southern Guangxi of China
FIGURE 4. Distribution of B. scorpiuroloba showing two close localities in Nasuo, Fangchenggang of southern Guangxi, China
FIGURE 7. Begonia pavonina Ridley. A, B in Two new species of Begonia (sect. Platycentrum, Begoniaceae) from the Central Highlands of Vietnam: B. villosula and B. lophura
FIGURE 7. Begonia pavonina Ridley. A, B. Habit and habitats; C. Staminate flowers, face and side views; D. Pistillate flowers, face, back and side views; E. Immature capsule. Photos A, B & E by Che-Wei Lin; Photos C (left) from Peng 20239 and C (right) & D from Peng 22710 by Ching-I Peng.
FIGURE 6. Begonia lophura T.S.Hoang & C.W.Lin. A, B, C in Two new species of Begonia (sect. Platycentrum, Begoniaceae) from the Central Highlands of Vietnam: B. villosula and B. lophura
FIGURE 6. Begonia lophura T.S.Hoang & C.W.Lin. A, B, C. Habit and habitats, showing indigo blue iridescence leaves; D, E. Upper and lower surface of leaf sections; F. Young inflorescence and petioles, showing densely hispid; G. Habit; H. Staminate flowers, face and side views; I. Pistillate flower, face view; J. Capsules; K. Cross section of an immature capsule. All photos from Hoang Son 784 by Thanh Son Hoang.
FIGURE 8. Begonia menglianensis Y.Y.Qian. A, B in Two new species of Begonia (sect. Platycentrum, Begoniaceae) from the Central Highlands of Vietnam: B. villosula and B. lophura
FIGURE 8. Begonia menglianensis Y.Y.Qian. A, B. Habit and habitats; C, D. Upper surface of leaf section, E. Lower surface of leaf section; F, G. Inflorescence, showing bracts; H. Staminate flower; I. Capsule. All photos from Peng 20969 by Ching-I Peng.
FIGURE 5. Begonia lophura T.S.Hoang & C.W.Lin. A in Two new species of Begonia (sect. Platycentrum, Begoniaceae) from the Central Highlands of Vietnam: B. villosula and B. lophura
FIGURE 5. Begonia lophura T.S.Hoang & C.W.Lin. A. Habit; B, B'. Upper and lower surface of leaf sections; C. Stipules; D, D', D''. Bracts; E, E'. Face and side views of staminate flower; F, F'. Ventral and dorsal views of stamen; G, G'. Face and side views of pistillate flower; H, H'. Style and stigmatic band, ventral and dorsal views; I. Cross section of an immature capsule; J. Capsule.
FIGURE 4. Begonia thomsonii A in Two new species of Begonia (sect. Platycentrum, Begoniaceae) from the Central Highlands of Vietnam: B. villosula and B. lophura
FIGURE 4. Begonia thomsonii A.DC. (A–G). A. Habit; B. Stipules and petioles; C. Abaxial leaf surface and petiole; D. Staminate flowers; E, F. Pistillate flower, showing face and side views; G. Capsule. Begonia villifolia Irmsch. (H–M). H. Leaves; I. Adaxial surface of leaves; J. Stipules, also showing stem and petiole; K, L. Staminate flowers; M. Pistillate flower, showing face and side views. Photos A–G from Peng 22310, H–M from Peng 17629 by Ching-I Peng
FIGURE 2. Begonia villosula T.S.Hoang, C.W.Lin. A in Two new species of Begonia (sect. Platycentrum, Begoniaceae) from the Central Highlands of Vietnam: B. villosula and B. lophura
FIGURE 2. Begonia villosula T.S.Hoang, C.W.Lin. A. Habit; B, B'. Portion of leaf, upper and lower surface; C. Stipule on rhizome, C'. Stipule on erect stem; D, D'. Bracts; E, E'. Staminate flower, face and side views; F, F'. Stamens, ventral and dorsal views; G, G'. Pistillate flower, face and side views; H, H'. Styles and stigmatic band, dorsal and ventral views; I. Capsule; J. Cross section of an immature capsule.
FIGURE 1 in Two new species of Begonia (sect. Platycentrum, Begoniaceae) from the Central Highlands of Vietnam: B. villosula and B. lophura
FIGURE 1. Distribution map of the two new Begonia species. Central Highlands of Vietnam, Quang Nam Province in green and Quang Ngai Province in yellow, B. villosula (triangular) and B. lophura (circle).
FIGURE 4 in A new species and a new record of Begonia (sect. Platycentrum, Begoniaceae) from northeastern India
FIGURE 4. Distribution map: A. Begonia zhongyangiana W.G.Wang & S.Z.Zhangin China & India; B. Begonia murlenensis.
FIGURE 3. Begonia zhongyangiana W.G.Wang & S.Z.Zhang. A in A new species and a new record of Begonia (sect. Platycentrum, Begoniaceae) from northeastern India
FIGURE 3. Begonia zhongyangiana W.G.Wang & S.Z.Zhang. A. Habit & habitat; B. Cultivated individual; C. Male flowers; D. Female bud.
FIGURE 4. Begonia dieuanhiae T.S.Hoang & C.W.Lin. A in Two new species, Begonia minhaniae and B. dieuanhiae (sect. Platycentrum, Begoniaceae), from northwestern Vietnam
FIGURE 4. Begonia dieuanhiae T.S.Hoang & C.W.Lin. A. Habit; B, B'. Portion of leaf, upper and lower surfaces; C. Stipule of rhizome, C'. stipule of erect stem; D, D'. Bracts; E, E'. Staminate flower, face and side views; F, F', F''. Stamens, dorsal, ventral and side views; G, G'. Pistillate flower, face and side views; H, H'. Style and stigmatic band, dorsal and ventral views; I. Cross section of an immature capsule.
FIGURE 2. Begonia minhaniae T.S.Hoang & C.W.Lin. A in Two new species, Begonia minhaniae and B. dieuanhiae (sect. Platycentrum, Begoniaceae), from northwestern Vietnam
FIGURE 2. Begonia minhaniae T.S.Hoang & C.W.Lin. A. Habit; B, B'. Portion of leaf, upper and lower surfaces; C. Stipule; D, D'. Bracts; E, E'. Staminate flower, face and side views; F, F', F''. Stamens, dorsal, ventral and side views; G, G'. Immature pistillate flower, face and side views; H, H'. Style and stigmatic band, dorsal and ventral views; I. Cross section of ovary.
FIGURE 5. Begonia dieuanhiae T.S.Hoang & C.W.Lin. A, B in Two new species, Begonia minhaniae and B. dieuanhiae (sect. Platycentrum, Begoniaceae), from northwestern Vietnam
FIGURE 5. Begonia dieuanhiae T.S.Hoang & C.W.Lin. A, B. Habit and habitats; C. Abaxial leaf; D. Young leaf; E, F. Rhizome and erect stem, also showing stipules and petioles; G. Portion of leaf, upper surface, H. same, lower surface; I. Erect stems and inflorescence; J. Staminate flower, face and back views; K. Pistillate flowers, face view, L. same, side view; M. Cross section of ovary.
FIGURE 3. Begonia minhaniae T.S.Hoang & C.W.Lin. A, B in Two new species, Begonia minhaniae and B. dieuanhiae (sect. Platycentrum, Begoniaceae), from northwestern Vietnam
FIGURE 3. Begonia minhaniae T.S.Hoang & C.W.Lin. A, B. Habit and habitat; C. Young leaf, also showing stipules, petiole and peduncle; D, E. Portion of leaf, upper and lower surfaces; F. Habit; G. Inflorescence; H. Immature staminate and pistillate flowers, also showing bracts and bracteoles; I. Immature staminate flowers; J. Cross section of an old capsule.
FIGURE 1 in Two new species, Begonia minhaniae and B. dieuanhiae (sect. Platycentrum, Begoniaceae), from northwestern Vietnam
FIGURE 1. Distribution map of two species of Begonia, Begonia minhaniae (blue circle) and B. dieuanhiae (red star).
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OpenNeuro
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