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Ash Yellows
''Candidatus'' Phytoplasma fraxini is a species of phytoplasma, a specialized group of bacteria which lack a cell wall and attack the phloem of plants. This phytoplasma causes the diseases ash yellows and lilac witches' broom. Taxonomy ''Ca.'' Phytoplasma fraxini was first described in 1999 as the causal agent of ash yellows and lilac witches'-broom. It belongs to the 16 Sr group VII, subgroup A. Distribution The pathogen is found in Central and North Eastern USA and Central and Eastern Canada. It was reported from Chile for the first time in 2011. It was then reported from a range of trees in Colombia. In 2017 it was reported infecting grapevine in Iran. Hosts ''Ca.'' Phytoplasma fraxini can infect a wide range of species of ''Fraxinus'' (ash) including: white ash, narrow leaved ash, bunge ash, European ash, Oregon ash, black ash, manna ash, green ash, pumpkin ash, blue ash, Tianshan ash, Urapan and velvet ash. A number of '' Syringa'' (lilac) species and hybrids a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fraxinus Americana
''Fraxinus americana'', the white ash or American ash, is a species of '' ash tree'' native to eastern and central North America. The species is native to mesophytic hardwood forests from Nova Scotia west to Minnesota, south to northern Florida, and southwest to eastern Texas. Isolated populations have also been found in western Texas Texas (, ; Spanish language, Spanish: ''Texas'', ''Tejas'') is a state in the South Central United States, South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2 ..., Wyoming, and Colorado, and the species is reportedly naturalized in Hawaii. There are an estimated 8 billion ash trees in the United States – the majority being the white ash trees and the Fraxinus pennsylvanica, green ash trees. Characteristics The name white ash derives from the glaucous undersides of the leaves. It is similar in appearance to the green ash, making identification difficult. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fraxinus Uhdei
''Fraxinus uhdei'', commonly known as tropical ash or Shamel ash, is a species of tree native to Mexico and Central America. It is commonly planted as a street tree in Mexico and the southwestern United States. It has also been planted and spread from cultivation in Hawaii, where it is now considered an invasive species. Like other species in the section ''Melioides'', ''Fraxinus uhdei'' is dioecious, with male and female flowers produced on separate individuals. Taxonomy The tropical ash was originally described as a variety of ''Fraxinus americana'' (white ash) by in 1883 and was separated as a different species in 1907 by Alexander von Lingelsheim. The specific epithet ''uhdei'' refers to Carl Uhde, a German plant collector who explored Mexico in the 1840s. ''Fraxinus uhdei'' is locally known as ''fresno blanco'' in Spanish; other English vernacular names include Hawaiian ash and Mexican ash. The name Shamel ash refers to Archie Shamel, who introduced the trees to Calif ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Syringa Villosa
''Syringa villosa'', the villous lilac, is a shrub native to Korea, the southern part of the Russian Far East (Primorye) and northern China. There are two subspecies currently recognized (April 2014); these are regarded as separate species in Flora of China. Combining the ranges for the two taxa yields a range within China of Hebei, Shanxi, Heilongjiang, Jilin Jilin (; alternately romanized as Kirin or Chilin) is one of the three provinces of Northeast China. Its capital and largest city is Changchun. Jilin borders North Korea ( Rasŏn, North Hamgyong, Ryanggang and Chagang) and Russia (Prim ..., and Liaoning. ''Syringa villosa'' is a shrub up to 4 m tall, with red, white, pink or purple flowers. Subspecies *''Syringa villosa'' subsp. ''villosa'' *''Syringa villosa'' subsp. ''wolfii'' (C.K.Schneid.) Jin Y.Chen & D.Y.Hong - (syn. ''Syringa wolfii'' C.K.Schneid.) References villosa Plants described in 1804 Flora of China Flora of Russia Flora of Korea ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Syringa Tomentella
''Syringa tomentella''The Plant List http://www.theplantlist.org/tpl1.1/record/kew-356294Fiala, John L. "Lilacs: a gardener's encyclopedia", 2nd ed. copyright Timber Press 2008. rev. and updated by Freek Vrugtman. First ed. published 1988, copyright Timber Press. . pp 112-114 is a species in the genus ''Syringa'', in the family Oleaceae. Description *Height/spread: Shrub reaching up to 1.5-7m high and wide at maturity. *Stems: Branchlets are densely to sparsely pubescent. *Leaves: Petiole measures 0.8-1.5 cm. Pedicel and rachis are pubescent to villous or glabrescent. Leaf blade is elliptic-lanceolate to ovate-lanceolate, or rarely ovate to obovate. Leaf measures approximately 2.5–11 cm in length and 1.5–5 cm in width. The tops of the leaves are glabrous or densely pubescent, with the undersides of the leaves being either completely hairy or hairy along the veins only. Leaf base is sub-rounded to cuneate, while the leaf apex is acuminate to acute. *Flowers: ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Syringa Sweginzowii
''Syringa'' is a genus of 12 currently recognized species of flowering woody plants in the olive family or Oleaceae called lilacs. These lilacs are native to woodland and scrub from southeastern Europe to eastern Asia, and widely and commonly cultivated in temperate areas elsewhere.Flora Europaea''Syringa''/ref>Flora of China丁香属 ding xiang shu ''Syringa''/ref>Flora of Pakistan''Syringa''/ref>Germplasm Resources Information Network''Syringa'' The genus is most closely related to ''Ligustrum'' (privet), classified with it in Oleaceae tribus Oleeae subtribus Ligustrinae.University of Oxford, Oleaceae information siteNew classification of the Oleaceae/ref> Lilacs are used as food plants by the larvae of some moth species, including copper underwing, scalloped oak and Svensson's copper underwing. Description They are small trees, ranging in size from tall, with stems up to diameter. The leaves are opposite (occasionally in whorls of three) in arrangement, and their sha ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Syringa Pubescens
''Syringa pubescens'' is a species of flowering plant in the lilac genus of the family Oleaceae, native to Korea and China (Gansu, Hebei, Henan, Hubei, Jilin, Liaoning, Ningxia, Qinghai, Shaanxi, Shandong, Shanxi, Sichuan). Growing to tall and broad, it is a substantial deciduous shrub with green leaves felted white beneath, and panicles of heavily scented, white-throated lilac flowers in early summer. The specific epithet ''pubescens'' means "downy", referring to the texture of the leaves. Three subspecies (formerly listed as separate species) are recognized : *''Syringa pubescens'' subsp. ''julianae'' - syn. ''S. julianae'' *''Syringa pubescens'' subsp. ''microphylla'' - syn. ''S. microphylla'' *''Syringa pubescens'' subsp. ''patula'' (also ''Syringa velutina'') - syn. ''S. patula'' (Korean lilac, Manchurian lilac) The cultivar ''S. pubescens'' subsp. ''microphylla'' 'Superba' has gained the Royal Horticultural Society's Award of Garden Merit The Award of Garden Meri ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Syringa X Persica
''Syringa'' is a genus of 12 currently recognized species of flowering woody plants in the olive family or Oleaceae called lilacs. These lilacs are native to woodland and scrub from southeastern Europe to eastern Asia, and widely and commonly cultivated in temperate areas elsewhere.Flora Europaea''Syringa''/ref>Flora of China丁香属 ding xiang shu ''Syringa''/ref>Flora of Pakistan''Syringa''/ref>Germplasm Resources Information Network''Syringa'' The genus is most closely related to ''Ligustrum'' (privet), classified with it in Oleaceae tribus Oleeae subtribus Ligustrinae.University of Oxford, Oleaceae information siteNew classification of the Oleaceae/ref> Lilacs are used as food plants by the larvae of some moth species, including copper underwing, scalloped oak and Svensson's copper underwing. Description They are small trees, ranging in size from tall, with stems up to diameter. The leaves are opposite (occasionally in whorls of three) in arrangement, and their sha ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Syringa Oblata
''Syringa oblata''The Plant List http://www.theplantlist.org/tpl1.1/record/kew-356313Fiala, John L. "Lilacs: a gardener's encyclopedia", 2nd ed. copyright Timber Press 2008. rev. and updated by Freek Vrugtman. First ed. published 1988, copyright Timber Press. . pp 75-81Chittenden, Fred J., Synge, Patrick M., editors. 1977. “The Royal Horticultural Society Dictionary of Gardening”, edn. 2, Oxford University Press. . Volume 4, pp. 2070-2071Turner, R. G. Jr. "Botanica", edn. 3, printed by Barnes & Noble, Inc. by arrangement with Random House Australia Pty Ltd. 1999. . pp 868Mabberley, D. J., "Mabberley's Plant-Book", 3rd ed., Cambridge University Press, 2008. (hardback) pp 836 is a species in the genus ''Syringa'', in the family Oleaceae. It is also known as early blooming lilac or broadleaf lilac. Description Similar to ''Syringa vulgaris'', but flowers earlier and has very different leaves. Most commonly seen lilac species in China. *Height: Shrub or small tree to 3.5m or ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Syringa Meyeri
''Syringa pubescens'' is a species of flowering plant in the lilac genus of the family Oleaceae, native to Korea and China (Gansu, Hebei, Henan, Hubei, Jilin, Liaoning, Ningxia, Qinghai, Shaanxi, Shandong, Shanxi, Sichuan). Growing to tall and broad, it is a substantial deciduous shrub with green leaves felted white beneath, and panicles of heavily scented, white-throated lilac flowers in early summer. The specific epithet ''pubescens'' means "downy", referring to the texture of the leaves. Three subspecies (formerly listed as separate species) are recognized : *''Syringa pubescens'' subsp. ''julianae'' - syn. ''S. julianae'' *''Syringa pubescens'' subsp. ''microphylla'' - syn. ''S. microphylla'' *''Syringa pubescens'' subsp. ''patula'' (also ''Syringa velutina'') - syn. ''S. patula'' (Korean lilac, Manchurian lilac) The cultivar ''S. pubescens'' subsp. ''microphylla'' 'Superba' has gained the Royal Horticultural Society's Award of Garden Merit The Award of Garden Meri ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Syringa Laciniata
''Syringa'' is a genus of 12 currently recognized species of flowering woody plants in the olive family or Oleaceae called lilacs. These lilacs are native to woodland and scrub from southeastern Europe to eastern Asia, and widely and commonly cultivated in temperate areas elsewhere.Flora Europaea''Syringa''/ref>Flora of China丁香属 ding xiang shu ''Syringa''/ref>Flora of Pakistan''Syringa''/ref>Germplasm Resources Information Network''Syringa'' The genus is most closely related to ''Ligustrum'' (privet), classified with it in Oleaceae tribus Oleeae subtribus Ligustrinae.University of Oxford, Oleaceae information siteNew classification of the Oleaceae/ref> Lilacs are used as food plants by the larvae of some moth species, including copper underwing, scalloped oak and Svensson's copper underwing. Description They are small trees, ranging in size from tall, with stems up to diameter. The leaves are opposite (occasionally in whorls of three) in arrangement, and their sha ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Syringa Kamarowii
''Syringa'' is a genus of 12 currently recognized species of flowering plant, flowering woody plants in the olive family or Oleaceae called lilacs. These lilacs are native to woodland and scrub from southeastern Europe to eastern Asia, and widely and commonly cultivated in temperate zone, temperate areas elsewhere.Flora Europaea''Syringa''/ref>Flora of China丁香属 ding xiang shu ''Syringa''/ref>Flora of Pakistan''Syringa''/ref>Germplasm Resources Information Network''Syringa'' The genus is most closely related to ''Ligustrum'' (privet), classified with it in Oleaceae tribus Oleeae subtribus Ligustrinae.University of Oxford, Oleaceae information siteNew classification of the Oleaceae/ref> Lilacs are used as food plants by the larvae of some moth species, including copper underwing, scalloped oak and Svensson's copper underwing. Description They are small trees, ranging in size from tall, with stems up to diameter. The leaf, leaves are opposite (occasionally in whorls o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Syringa Josikaea
''Syringa josikaea'', the Hungarian lilac, is a species of lilac, native to central and eastern Europe, in the Carpathian Mountains in Romania and western Ukraine.Rushforth, K. (1999). ''Trees of Britain and Europe''. Collins .Flora Europaea''Syringa josikaea''/ref> It is a deciduous shrub growing to a height of 2–4 m. The leaves are elliptic-acute, 6–12 cm long, with a finely hairy margin. The flowers are dark pink, with a tubular base to the corolla 15 mm long with a narrow four-lobed apex 3–4 mm across, with a strong fragrance; they are produced in slender panicles up to 15 cm long in early summer. The fruit is a dry, smooth brown capsule, splitting in two to release the two winged seeds.Huxley, A., ed. (1992). ''New RHS Dictionary of Gardening''. Macmillan .Plants for a Future''Syringa josikaea''/ref>Jacquin, Joseph Franz von, in Reichenbach, Heinrich Gustav. 1830. Iconographia Botanica seu Plantae Criticae 8: 32 Cultivation and uses Growing cond ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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