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45 results for “Atraphaxis”
FIGURE 17 in A broadly sampled 3-loci plastid phylogeny of Atraphaxis (Polygoneae, Polygonoideae, Polygonaceae) reveals new taxa: III. A. kuvaevii and сryptic species in A. pungens from Southern Siberia and Northern Mongolia
FIGURE 17. Atraphaxis pungens × A. decipiens (A–C) and A. decipiens × A. pungens (D–F): leaf blades (A, B, D), fruit (C), and flowers (E, F). A–C—(302) RUSSIA. Tuva, Barun-Khemchik Raion, Shekpeer vill. 03 Aug 2015. Kostikov & Kostikova (MW). D–F—(307) RUSSIA: Tuva, Kyzyl Raion, Kara-Khaak vill. 27 July 2015. Kostikov & Kostikova (MW). Scale Bar: = 2 µm (A, B); = 1 µm (D–F); = 0.5 µm (C).
FIGURE 13 in A broadly sampled 3-loci plastid phylogeny of Atraphaxis (Polygoneae, Polygonoideae, Polygonaceae) reveals new taxa: III. A. kuvaevii and сryptic species in A. pungens from Southern Siberia and Northern Mongolia
FIGURE 13. Atraphaxis ledebourii Yurtseva sp. nov.: leaf blades at short shoots (A) and long shoots (B), flowers (C, G), styles (D, E, H), and fruits (F, I). A—(233) RUSSIA. Altai Rep.: Kosh-Agach Raion, the Chuya river, 5 km above the mouth of the Chagan-Uzun river, 23 July 1995, Kamelin (LE). B–F—(234) RUSSIA. Altai Rep.: Kosh-Agach Raion, the Kyzylshin river above Kokorya vill., 19 August 2000, Kamelin et al. 2227 (ALTB). G, H—(300) RUSSIA. Altai Rep.: Onguday Raion, between the vill. Kupchegen and Inya, 8 July 2015, Kostikov & Kostikova (NSK). I—(296) RUSSIA. Tuva: Chaa-Khol' Raion, Sayano-Shushenskii reservoir, steppe slope, 12 Jul 2014, Kostikov & Kostikova (MW). Scale Bar: = 1 µm (A, C, G, F); = 2 µm (B), = 0.2 µm (D, H); = 0.5 µm (E, I).
FIGURE 2 in A broadly sampled 3-loci plastid phylogeny of Atraphaxis (Polygoneae, Polygonoideae, Polygonaceae) reveals new taxa: III. A. kuvaevii and сryptic species in A. pungens from Southern Siberia and Northern Mongolia
FIGURE 2. Distributional map of Atraphaxis species in Southern Siberia based on plastid haplotypes: 1—A. pungens. 2—A. ledebourii. 3—A. × uyukensis. 4—A. davurica. 5—A. decipiens. 6—A. decipiens × A. pungens. 7—A. frutescens. 8—A. kuvaevii. 9—A. decipiens × A. ledebourii. 10—A.selengensis.
FIGURE 16 in A broadly sampled 3-loci plastid phylogeny of Atraphaxis (Polygoneae, Polygonoideae, Polygonaceae) reveals new taxa: III. A. kuvaevii and сryptic species in A. pungens from Southern Siberia and Northern Mongolia
FIGURE 16. Atraphaxis decipiens (A, B, G), A. pungens × A. decipiens (C, D), A. pungens (E, F), and A. decipiens × A. pungens (H–I). A—(310) A. decipiens, RUSSIA. Tuva: Ulug-Khem Raion, Khayyrakan vill., 01 August 2015, Kostikov & Kostikova (MW). B—(312) A. decipiens, RUSSIA. Tuva: Pii-Khem Raion, the Uyuk ridge, the steep bank of the Yenisey River, 09 July 2014, Kostikov & Kostikova (NSK). C–D—(309) A. pungens × A. decipiens, RUSSIA. Tuva: Barun-Khemchik Raion, Shekpeer vill., 03 August 2015, Kostikov & Kostikova (MW). E–F—(302) A. pungens × A. decipiens, idem (MW). G—A. decipiens, RUSSIA. Tuva: Kyzyl Raion, Kara-Khaak vill., 28 July 2015, Kostikov & Kostikova (MW). H, I—(307) A. decipiens × A. pungens, RUSSIA. Tuva: Kyzyl Raion, Kara-Khaak vill., 27 July 2015, Kostikov &. Kostikova (MW).
Data from: Phylogeography of the arid shrub Atraphaxis frutescens (Polygonaceae) in northwestern China: evidence from cpDNA sequences
Climatic fluctuations during the Pleistocene are usually considered as a significant factor in shaping intraspecific genetic variation and influencing demographic histories. To well-understand these processes in desert northwest China, we selected arid adapted Atraphaxis frutescens as the study species. Two cpDNA regions (psbK-psbI, psbB-psbH) were sequenced in 272 individuals from 33 natural populations across the range of this shrub, and 10 haplotypes were identified. It was found to contain high levels of total gene diversity (H T = 0.858), and low levels of within-population diversity (H S = 0.092). Analysis of molecular variance (AMOVA) indicates that genetic differentiation primarily occurs among groups of populations. Based on BEAST (Bayesian Evolutionary Analysis Sampling Trees) analysis, we suggest that intraspecific differentiation of the species, resulting from isolated populations, accompanied enhanced desertification during the middle and late Pleistocene. The expansion of the Gurbantunggut and Kumtag deserts in this area appears to have triggered divergence among populations of the western, central, and eastern portions of the region and shaped genetic differentiation among them. Two possible independent glacial refugia were predicted, the Ili Valley and the northern Junggar Basin. Extensive development of arid habitats (desert margin and arid piedmont grassland) coupled with a more equable climate because the early Holocene are factors likely to have generated recent expansion of A. frutescens.
FIGURE 10 in A broadly sampled 3-loci plastid phylogeny of Atraphaxis (Polygoneae, Polygonoideae, Polygonaceae) reveals new taxa: II. Atraphaxis selengensis spec. nov., and A. davurica Jaub. & Spach from Russian Transbaikalia
FIGURE 10. Fruit surface (SEM) of Atraphaxis davurica (A–C), A. davurica var. chikoensis (D), A. selengensis (E–F) from RUSSIA, Buryatia, A. pungens (G–H), A. frutescens (I): A, B—Selenginsky d., Dede-Sutoy, Kazanovsky ID 965 (NSK). C—Borgoysky Ridge, Peshkova & Tarasova 953 (NSK). D—the Kudara river, Kursky (LE). E—Selenginsky d., Deben, Badmaeva (MW). F—Dzhidinsky d., Ust-Kyakhta, Peshkova & Tarasova 2698 (NSK). G—RUSSIA, Altai Rep., Kosh-Agach d., the Kokorya river, Gordeeva & Ustiantseva (LE). H—MONGOLIA, Khovd aimag, Sherin & Shalimov (ALTB). I—MONGOLIA, SW Mongolia, Baytag-Bogdo, Gubanov 2551 (MW). Scale Bar = 30 µm.
FIGURE 8 in A broadly sampled 3-loci plastid phylogeny of Atraphaxis (Polygoneae, Polygonoideae, Polygonaceae) reveals new taxa: II. Atraphaxis selengensis spec. nov., and A. davurica Jaub. & Spach from Russian Transbaikalia
FIGURE 8. Stigmas (SEM) of Atraphaxis davurica (A–B, E), A. davurica var. chikoensis (C–D), A. selengensis (F) from RUSSIA, Buryatia, and A. pungens (G–I): A—Selenginsky d., Novoselenginsk, Kazanovsky 42812 (MW). B—Selenginsky d., Dede-Sutoy, Kazanovsky ID 965 (NSK). C—Khentei- Chikoy Highlands, Anagustay, Maximova (LE). D—the Kudara river, Khankharnegu, Kursky (LE). E—Dzidinsky d., Borgoysky Ridge, Peshkova & Tarasova 953 (NSK). F—Selenginsky d., Deben, Badmaeva (MW). G—RUSSIA, Khakassia, Askiz d., Kazanovka, Skvortsov (MW). H—RUSSIA, Altai Rep., Kosh-Agach d., the Kokorya river, Gordeeva & Ustiantseva (LE). I—MONGOLIA, Central aimag, Budantsev et al. 27 (MW). Scale Bar = 100 µm (B, D–F, H–I); =200 µm (A); =300 µm (C, G).
FIGURE 6 in A broadly sampled 3-loci plastid phylogeny of Atraphaxis (Polygoneae, Polygonoideae, Polygonaceae) reveals new taxa: II. Atraphaxis selengensis spec. nov., and A. davurica Jaub. & Spach from Russian Transbaikalia
FIGURE 6. Perianths of Atraphaxis davurica (A–D), A. davurica var. chikoensis (E–F) from RUSSIA, Buryatia, A. pungens (G–I), A. selengensis (J–L) from RUSSIA, Buryatia, and A. frutescens (M–O) from RUSSIA, Tuva. A—Mukhorshibirsky d., Podlopatki, Abramova et al. (MW). В—Selenginsky d., Lake Sulfatnoye, Badmaeva (MW). C—Selenginsky d., Zurgan-Debe, Chepinoga & Rosbah 16359 (UUH, IRKU). D—Dzhidinsky d., Erkhirik, Badmaeva (MW). E—the Kudara river, Khankharnegu, Kursky (LE). F—Khentei-Chikoy Highlands, Anagustay, Maximova (LE). G—MONGOLIA, Bulgan aimak, Khangai, 90 km NEE of Kharkharin, Gubanov 3563 (MW). H—RUSSIA, Khakassia, Shira d., Fyrkal, Kostikov (NS). I—RUSSIA, Altai Rep., Kosh- Agach d., Chuya, Kamelin et al. (LE). J—Selenginsky d., Enkhor, Korolyuk 236 (UUH). K—Dzhidinsky d., Ust-Kyakhta, Ubur-Dzokoy, Peshkova & Skudenkova 2700 (NSK). L—Selenginsk, Schukin (MW). M—Ulug-Khem d., the Senek River, Lomonosova, Medvedeva 547 (MW). N—Pyi-Khemsky d., Uyuk ridge, the Yenisei River, Kostikov (NS). O—Ulug-Khem d.,Torgalyk, Schreter (MW). Scale Bar =1 mm (A–K, M–O); =0.5 mm (L).
FIGURE 7 in A broadly sampled 3-loci plastid phylogeny of Atraphaxis (Polygoneae, Polygonoideae, Polygonaceae) reveals new taxa: II. Atraphaxis selengensis spec. nov., and A. davurica Jaub. & Spach from Russian Transbaikalia
FIGURE 7. Stigmas of Atraphaxis davurica (A–G), A. davurica var. chikoensis (H–I), A. selengensis (J) from RUSSIA, Buryatia, A. pungens (K–M), and A. frutescens (N–O). A—Selenginsky d., lake Gusinoye, Sandanov sd 15-166 (UUH). B—Selenginsky d., Dede-Sutoy, Shamanova ID 18122 (IRK). C–D— Mukhorshibsky d., Podlopatki, Abramova et al. (MW). E—Selenginsky d., Zurgan-Debe. Chepinoga & Rosbah 16359 (UUH, IRKU). F, G—Dzhidinsky d., Borgoysky Ridge, Dyrestuy, Pozdnyakova (UUH). H—The Kudara river, Khankharnegu, Kursky. (LE). I—Khentei- Chikoy Highlands, Anagustay, Maximova (LE, Holotype). J—Dzhidinsky d., Ust-Kyakhta, Ubur-Dzokoy, Peshkova & Skudenkova 2700 (NSK). K—RUSSIA, Khakassia, Askiz d., Kazanovka, Skvortsov (MW). L—MONGOLIA Central aimag, Mt. Dzamryn-Ula, Budantsev et al. 27 (MW). M—MONGOLIA, Bulgan aimag, Khangai, Kharkharin, Gubanov 3563 (MW). N, O—RUSSIA, Hortus Upsaliensis, Ehrhart 2744 (MW). Scale Bar = 0.5 mm (A, C, E, F, H); = 1 mm (I); = 0.2 mm (B, D, G, J–M); =0.1 mm (N, O).
FIGURE 3 in A broadly sampled 3-loci plastid phylogeny of Atraphaxis (Polygoneae, Polygonoideae, Polygonaceae) reveals new taxa: II. Atraphaxis selengensis spec. nov., and A. davurica Jaub. & Spach from Russian Transbaikalia
FIGURE 3. Thyrses of Atraphaxis davurica (A), A. davurica var. chikoensis (B), A. pungens (C), A. selengensis (D–E) and A. frutescens from RUSSIA (F). A—Buryatia, Mukhorshibirsky d., Podlopatki, Abramova et al. (MW). B—Buryatia, Khentei-Chikoy Highlands, Anagustay, Maximova (LE). C—Khakassia, Askiz d., Kazanovka, Skvortsov (MW). D—Buryatia, Selenginsk, Poplavskaya & Sukachev 3286 (LE). E—Buryatia, Selenginsk, Daeva (MHA, Holotype). F—Novosibirsk region, Ordynsky d., Antonovo, Kostikov (NS)
FIGURE 4 in A broadly sampled 3-loci plastid phylogeny of Atraphaxis (Polygoneae, Polygonoideae, Polygonaceae) reveals new taxa: II. Atraphaxis selengensis spec. nov., and A. davurica Jaub. & Spach from Russian Transbaikalia
FIGURE 4. Ochreas and ochreolas of Atraphaxis davurica (A–F), A. davurica var. chikoensis (G–I), A. selengensis (J–M) from RUSSIA, Buryatia, and A. pungens (N–O) from RUSSIA, Khakassia. A, C—Selenginsky d., lake Krugloye, Badmaeva (MW). B—Dzhidinsky d., Dyrestuy, Badmaeva (MW). D—Selenginsky d., lake Gusinoye, Sandanov Sd 15-166 (UUH). E—Selenginsky d., Dede-Sutoy, Shamanova ID 18122 (IRK). F—Selenginsky d., Gusinoosersk, Makeeva (MW). G–I—Khentei-Chikoy Highlands, Anagustay, Maximova (LE). J—Dzhidinsky d., Ust-Kyakhta, Ubur-Dzokoy, Peshkova & Skudenkova 2700 (NSK). K, L—Selenginsky d., Enkhor, Korolyuk 236 (UUH). M—Selenginsk d., Novoselenginsk, Peshkova & Skudenkova 1499 (NSK). N, O—Askiz d., Kazanovka, Skvortsov (MW). Scale Bar =1 mm.
FIGURE 2 in A broadly sampled 3-loci plastid phylogeny of Atraphaxis (Polygoneae, Polygonoideae, Polygonaceae) reveals new taxa: II. Atraphaxis selengensis spec. nov., and A. davurica Jaub. & Spach from Russian Transbaikalia
FIGURE 2. Atraphaxis davurica (A), A. davurica var. chikoensis (B), A. pungens (C), A. selengensis (D–E) from RUSSIA, and A. frutescens from MONGOLIA (F). A—Buryatia, Mukhorshibirsky d., Podlopatki, Abramova et al. (MW). B—Buryatia, Khentei-Chikoy Highlands, Anagustay, Maximova (LE). C—Khakassia, Askiz d., Kazanovka, Skvortsov (MW). D—Buryatia, Selenginsk, Schukin (LE). E—Buryatia, Selenginsk, Daeva (MHA, Holotype). F—Khovd aimag, Bulgan, Gubanov 7503 (MW).
FIGURE 5 in A broadly sampled 3-loci plastid phylogeny of Atraphaxis (Polygoneae, Polygonoideae, Polygonaceae) reveals new taxa: II. Atraphaxis selengensis spec. nov., and A. davurica Jaub. & Spach from Russian Transbaikalia
FIGURE 5. Leaf blades of A. davurica (A–D), A. davurica var. chikoensis (E), A. selengensis (F–G) from RUSSIA, Buryatia, A. frutescens (H–I) from MONGOLIA, A. pungens (J–L) from RUSSIA. A—Selenginsky d., lake Gusinoye, the Silve River, Verkhozina et al. 2396, ID1273 (IRK). B—Selenginsky d., lake Gusinoye, Badmaeva (MW). C—Selenginsky d., Gusinoosersk, lake Gusinoye, Urbanavichene Br-u-117 (MW). D—Selenginsk d., lake Sulfatnoye, Badmaeva s.n. (MW). E—Khentei-Chikoy Highlands, Anagustay, Maximova (LE, Holotype). F, G—Selenginsky d., Enkhor, Korolyuk 236 (UUH). H, I—Mongol Altay, Bayan-Olygiy aimag, the Bulgan river, Kamelin et al. 2298. (MW). J—Khakassia, Askiz d., Kazanovka, Skvortsov (MW). K—Tuva, Kyzyl d., Sukpak, Kostikov (NS). L—Khakassia, Ordzhonikidze d., Iyus, Mt. Sunduk, Kostikov (NS). Scale Bar =1 mm.
FIGURE 1 in A broadly sampled 3-loci plastid phylogeny of Atraphaxis (Polygoneae, Polygonoideae, Polygonaceae) reveals new taxa: II. Atraphaxis selengensis spec. nov., and A. davurica Jaub. & Spach from Russian Transbaikalia
FIGURE 1. The results of ML and BI analyses applied to the combined chloroplast data set (trnL(UAA) intron + trnL-trnF IGS and rpl32- trnL (UAG) IGS) of Atraphaxis with Bactria ovczinnikovii taken as an outgroup. Numbers above or below branches indicate the aLRT support values equal or more than 0.7 / the posterior probabilities from Bayesian analysis equal or more than 0.9.
FIGURE 9 in A broadly sampled 3-loci plastid phylogeny of Atraphaxis (Polygoneae, Polygonoideae, Polygonaceae) reveals new taxa: II. Atraphaxis selengensis spec. nov., and A. davurica Jaub. & Spach from Russian Transbaikalia
FIGURE 9. Fruits of Atraphaxis davurica (A–D), A. selengensis (E–F) from RUSSIA, Buryatia, A. pungens (G–H), and A. frutescens (I). A—Dzhidinsky d., Borgoysky Ridge, Dyrestuy, Pozdnyakova (UUH). B—Dzhidinsky d., Borgoysky Ridge, between Temnik and Dzhida, Smirnov 2654 (LE). C—Selenginsky d., Lake Gusinoye, Badmaeva (MW). D—Kyakhtinsky d., vill. Altai, Friesen 479 (NSK). E— Selenginsky d., Enkhor, Korolyuk 236 (UUH). F—Selenginsky d., Novoselenginsk, Peshkova & Skudenkova 1444 (NSK). G—RUSSIA, Altai Rep., Kosh-Agach d., Chuya, Kamelin et al. (LE). H—MONGOLIA, Central aimag, Mt. Dzamryn-Ula, Budantsev et al. 27 (MW). I—RUSSIA, Hortus Upsaliensis, Ehrhart 2744 (MW). Scale Bar =1 mm
FIGURE 11 in A broadly sampled 3-loci plastid phylogeny of Atraphaxis (Polygoneae, Polygonoideae, Polygonaceae) reveals new taxa: II. Atraphaxis selengensis spec. nov., and A. davurica Jaub. & Spach from Russian Transbaikalia
FIGURE 11. Pollen (SEM) of Atraphaxis selengensis (A, B), A. davurica (C–G), A. davurica var. chikoensis (H–J) from RUSSIA, Buryatia, and A. pungens (K–L) from RUSSIA, Khakassia. A, B—Dzhidinsky d., Ust-Kyakhta, Peshkova, Tarasova 2698 (NSK). C, D—Kyakhta d., Ust-Kiran, Peshkova, Skudenkova 170 (MW). E–G—Dzhidinsky d., Petropavlovka, Peshkova, Tarasova 504 (NSK). H–J—Khentei-Chikoy Highlands, Anagustay, Maximova (LE). K, L—Askiz d., Kazanovka, Skvortsov s.n. (MW). Scale Bar = 10 µm (A, C–F, H, K–L); = 3 µm (B, I–J); = 1 µm (G).
Data from: Phylogeography of the arid shrub Atraphaxis frutescens (Polygonaceae) in northwestern China: evidence from cpDNA sequences
Open the record for dataset details and reuse information.
FIGURE 9 in Polygonum schischkinii is a member of Atraphaxis (Polygonaceae, Polygoneae): evidences from morphological and molecular analyses
FIGURE 9. Distributional map of Polygonum schischkinii (=Atraphaxis glareosa).
FIGURE 4 in A broadly sampled 3-loci plastid phylogeny of Atraphaxis (Polygoneae, Polygonoideae, Polygonaceae) reveals new taxa: III. A. kuvaevii and сryptic species in A. pungens from Southern Siberia and Northern Mongolia
FIGURE 4. Holotype of Atraphaxis kuvaevii Yurtseva sp. nov.:
FIGURE 12 in A broadly sampled 3-loci plastid phylogeny of Atraphaxis (Polygoneae, Polygonoideae, Polygonaceae) reveals new taxa: II. Atraphaxis selengensis spec. nov., and A. davurica Jaub. & Spach from Russian Transbaikalia
FIGURE 12. Distributional map for Atraphaxis species from Russian Transbaikalia:
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