| Scientific Name | Mycotaxon 18: 1. 1983. |
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| Synonyms | Show synonymsMelampsoridium carpini auct., non Dietel, in Engler & Prantl, Nat. Pflanzenfam., Teil. I, 1: 551. 1900.
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| Disease | Rust fungus on hornbeam (Carpinus spp.) and hop-hornbeam (Ostrya japonica) |
| Taxonomic Rank | |||
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| Order | Pucciniales | Family | Melampsoridiaceae |
| Distribution | China and Japan (Kaneko & Hiratsuka 1983; Hiratsuka et al. 1992; Kobayashi 2007). |
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| Characteristics | Only uredinial and telial stages known. Uredinia minute, scattered or densely grouped on abaxial surface, subepidermal, Milesia-type with conical ostiolar cell 18–35 µm long; yellowish and powdery. Urediniospores oblong-ellipsoid to pyriform, 17–30 × 10–15 µm, echinulate, with 2–4 equatorial germ pores. Telia minute, compact, brown, mostly on abaxial surface; teliospores in a single layer under epidermis, oblong-ellipsoid, 17–40 × 7–14 µm, pale yellow to colorless, smooth-walled. |
| Notes | Originally misidentified as Melampsoridium carpini; later recognized as a distinct species by Kaneko & Hiratsuka (1983). Only uredinial and telial stages are known; no spermogonia or aecia observed. Common on Carpinus and Ostrya in East Asia. |
| Economic importance | Minor rust fungus on deciduous forest trees (Carpinus, Ostrya); of limited economic importance but taxonomically significant within Melampsoridium group. |
| References | Kaneko S, Hiratsuka N. 1983. Mycotaxon 18: 1–4. Hiratsuka N. et al. 1992. The rust flora of Japan. Kobayashi T. 2007. Index of fungi inhabiting woody plants in Japan. |
TCCTCTGCTTATTGATATGCTTAAGTTCAGCAGGTAGTCCCACCTGATTTGAGGTCTTAAAAAAAGAATTTGTCATATTGACAGGTTAGAAGCAATTTCA TGACTATAAAGAAATGGCAGTATCTAAAAAAGATACACTTCTTAATGAAGATAATATATCACATTAAGTCAATCCAAATCAAAGTATGAAAAAAACTTAT ATATTTAAAGTGAGCCAATTACAGCAACACTCAAAATCCATTAAAAAATCTTAATAAAATAAAATTAATTAATGAGAAGGTTTCATGACACTCAAACAGG TGTGCCTTTTGGAATACCAAAAGGCGCAAGGTGCGTTCAAAGATTCGATGATTCACTGAATTCTGCAATTCACATTACTTATCACATTTCACTGTGTTCT TCATCGATGTGAGAGCCTAGAGATCCATTGTTAAAAGTTATATAATTTTTTGGTTTTTACATTCTTAAAACTTGATTTTAGACAATAATAATAAGGGGGG TAATGTGACAAAGATTAATATCTTTGCCACGTATACCAAATTACTATGTTTCAATAAAGATACATGTAATAAGGTAGAAGTTGTTTAAATTTTAAAAATT TGAGCCACAATTAAGTGCACTCATTTTTTTAATAATGATCCTTCCGCAGGTTCACCTACGGAAACCTTGTTACGACTTTTACTTCCTCTAAATGACCAAT TTTGTAGAACTTTGAAACAGTAAAGTGTTGTTGCCAACTCTTTATAGTCTCTCCGAACGCCTCAATAAGCCATTCAATCGGTAGTAGCGACGGGCGGTGT GTACAAAGGGCAGGGACGTAATCAACGCATGCTGATGACATACGCTTACTAGGTATTCCTCGTTGAAGAGCAATAATTGCAATGCTCTATCCCCATCACG ACCAAGTTTCACAAGATTACCCAATCCTTTCAGATAAGGTGATATACTCGCTGGCTTGGTCAGTGTAGCGCGCGTGCGGCCCAGAACATCTAAGGGCATC ACAGACCTGTTATTGCCTCCAACTTCCATCAACTAAACGTTGATAGTCCCTCTAAGAAGTCAGCAGTCAGCCTTAGCCAACTGGACTATTTAGCAGGAGA AGGTCTCGTTCGTTATCGGAATTAACCAGACAAATCACTCCACCAACTAAGAACGGCCATGCACCACCAACCACAAAATCAAGAAAAAGCTATCAATCTG TCAATCCTTACTGTGTCTGGACCTGGTGAGTTTCCCCGTGTTGAGTCAAATTAAGCCGCAGGCTCCACACCTGGTGGTGCCCTTCCGTCAATTCCTTTAA GTTTCAGCCTTGTGACCGTACTCCCCCACGAACCTAAACTTAAGGTTTCCCTTTGGGTGCCAAACAAGTCATTAAAAATCCTTGTCTGATCCCCAGTCGG CATAGTTTACTGTTAAGACTACAACGGTATCTGATCGTTTTTGAACCCTTAACCTTCGTTCTTGATCAATGAAATCATCCTTGGCAGATGCTTTCGCAGT AGTTTGTCTTACATCAATCCAAGAATTTCACCTCTGACAATGTAATACAAATGCCCCCAACTGACCCTATTAATCATTACGGTAACTCTAGAAACCAACA AAATAGAGATACACATCCTATTTTATTATTCCATGCTAATGTATTCAGGCAAAAGCCTGCTTTGAACACTCTAATTTTTTCAAAGTAAAAGTCCTGGTTC CTTTCAACACCCAGTAAAGTGCATTGAAGTTCACCAAGAGGTAAGCCTCCAACAAATCAGTACACACCAAAAGGCAGACCAACTGTCAGAGGCTGAAGTT CGACTACGAGCTTTTTAACGTCAACAATTTTAATATACGCTATTGGAGCTGGAATTACCGCGGCTGCTGGCACCAGACTTGCCCTCCAATTGATCCTTGT TAAGGGATTTAAATTGTACTCATTCCAATTGTAAGACCCAAAAGAGCCATACATTGTTATTTATTGTCACTACCTCCCCGTGTTGGGATTGGGTAATTTG CGCGCCTGCTGCAATCCTTAGATTTGAGGGCCGTTTCTCAGGCCCTCTCTCCGGAATCGAACCCTTATTCCCCGTTACCCGTCATCACCATGGTAGGCCT CTATCCTACCATCGAAAGTTGATAGGGCAGATATTTGAATGAAGCATCACCGGCACAAGGCCATGCGATTAGAGAAGTTATTATGAATCACCAAAGAGAC CCAAGGGTCATTGGTTTTTTATCTAATAAATACACCCCTCCCAGAGGTTGGGGCTTTTTCAGCATGTATTAGCTCTAGAATTACCACAGTTATCCATGTA GTAAGGTATCATCAAATAAACTATAACTGATTTAATGAGCCATTCGCAGTTTCACTGTATAGTTGTTTATACTTAGACATGCATGGCTTAATCTTTGAGA CAAGCATATGACTAC
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TCCTCTGCTTATTGATATGCTTAAGTTCAGCAGGTAGTCCCACCTGATTTGAGGTCTTAAAAAAAGAATTTGTCATATTGACAGGTTAGAAGCAATTTCA TGACTATAAAGAAATGGCAGTATCTAAAAAAGATACACTTCTTAATGAAGATAATATATCACATTAAGTCAATCCAAATCAAAGTATGAAAAAAACTTAT ATATTTAAAGTGAGCCAATTACAGCAACACTCAAAATCCATTAAAAAATCTTAATAAAATAAAATTAATTAATGAGAAGGTTTCATGACACTCAAACAGG TGTGCCTTTTGGAATACCAAAAGGCGCAAGGTGCGTTCAAAGATTCGATGATTCACTGAATTCTGCAATTCACATTACTTATCACATTTCACTGTGTTCT TCATCGATGTGAGAGCCTAGAGATCCATTGTTAAAAGTTATATAATTTTTTGGTTTTTACATTCTTAAAACTTGATTTTAGACAATAATAATAAGGGGGG TAATGTGACAAAGATTAATATCTTTGCCACGTATACCAAATTACTATGTTTCAATAAAGATACATGTAATAAGGTAGAAGTTGTTTAAATTTTAAAAATT TGAGCCACAATTAAGTGCACTCATTTTTTTAATAATGATCCTTCCGCAGGTTCACCTACGGAAACCTTGTTACGACTTTTACTTCCTCTAAATGACCAAT TTTGTAGAACTTTGAAACAGTAAAGTGTTGTTGCCAACTCTTTATAGTCTCTCCGAACGCCTCAATAAGCCATTCAATCGGTAGTAGCGACGGGCGGTGT GTACAAAGGGCAGGGACGTAATCAACGCATGCTGATGACATACGCTTACTAGGTATTCCTCGTTGAAGAGCAATAATTGCAATGCTCTATCCCCATCACG ACCAAGTTTCACAAGATTACCCAATCCTTTCAGATAAGGTGATATACTCGCTGGCTTGGTCAGTGTAGCGCGCGTGCGGCCCAGAACATCTAAGGGCATC ACAGACCTGTTATTGCCTCCAACTTCCATCAACTAAACGTTGATAGTCCCTCTAAGAAGTCAGCAGTCAGCCTTAGCCAACTGGACTATTTAGCAGGAGA AGGTCTCGTTCGTTATCGGAATTAACCAGACAAATCACTCCACCAACTAAGAACGGCCATGCACCACCAACCACAAAATCAAGAAAAAGCTATCAATCTG TCAATCCTTACTGTGTCTGGACCTGGTGAGTTTCCCCGTGTTGAGTCAAATTAAGCCGCAGGCTCCACACCTGGTGGTGCCCTTCCGTCAATTCCTTTAA GTTTCAGCCTTGTGACCGTACTCCCCCACGAACCTAAACTTAAGGTTTCCCTTTGGGTGCCAAACAAGTCATTAAAAATCCTTGTCTGATCCCCAGTCGG CATAGTTTACTGTTAAGACTACAACGGTATCTGATCGTTTTTGAACCCTTAACCTTCGTTCTTGATCAATGAAATCATCCTTGGCAGATGCTTTCGCAGT AGTTTGTCTTACATCAATCCAAGAATTTCACCTCTGACAATGTAATACAAATGCCCCCAACTGACCCTATTAATCATTACGGTAACTCTAGAAACCAACA AAATAGAGATACACATCCTATTTTATTATTCCATGCTAATGTATTCAGGCAAAAGCCTGCTTTGAACACTCTAATTTTTTCAAAGTAAAAGTCCTGGTTC CTTTCAACACCCAGTAAAGTGCATTGAAGTTCACCAAGAGGTAAGCCTCCAACAAATCAGTACACACCAAAAGGCAGACCAACTGTCAGAGGCTGAAGTT CGACTACGAGCTTTTTAACGTCAACAATTTTAATATACGCTATTGGAGCTGGAATTACCGCGGCTGCTGGCACCAGACTTGCCCTCCAATTGATCCTTGT TAAGGGATTTAAATTGTACTCATTCCAATTGTAAGACCCAAAAGAGCCATACATTGTTATTTATTGTCACTACCTCCCCGTGTTGGGATTGGGTAATTTG CGCGCCTGCTGCAATCCTTAGATTTGAGGGCCGTTTCTCAGGCCCTCTCTCCGGAATCGAACCCTTATTCCCCGTTACCCGTCATCACCATGGTAGGCCT CTATCCTACCATCGAAAGTTGATAGGGCAGATATTTGAATGAAGCATCACCGGCACAAGGCCATGCGATTAGAGAAGTTATTATGAATCACCAAAGAGAC CCAAGGGTCATTGGTTTTTTATCTAATAAATACACCCCTCCCAGAGGTTGGGGCTTTTTCAGCATGTATTAGCTCTAGAATTACCACAGTTATCCATGTA GTAAGGTATCATCAAATAAACTATAACTGATTTAATGAGCCATTCGCAGTTTCACTGTATAGTTGTTTATACTTAGACATGCATGGCTTAATCTTTGAGA CAAGCATATGACTAC
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