Edit Plant: Gordonia

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__NOTOC__'''''Gordonia''''' is a [[genus]] of [[flowering plant]]s in the family [[Theaceae]], related to ''[[Franklinia]]'', ''[[Camellia]]'' and ''[[Stewartia]]''. Of the roughly 40 species, all but two are native to southeast [[Asia]] in southern [[China]], [[Taiwan]] and [[Indochina]]. The remaining species, ''G. lasianthus'' ('''[[Loblolly-bay]]'''), is native to southeast [[North America]], from [[Virginia]] south to [[Florida]] and west to [[Louisiana]]; ''G. fruticosa'' is native to the tropical rainforests of Central and South America, from Costa Rica to Brazil. Several species of ''Gordonia'' are grown as ornamental plants for their flowers produced in winter when few other trees are in flower. They are however difficult to grow compared to the similar but generally smaller-growing camellias. They are [[evergreen]] [[tree]]s, growing to 10–20 m tall. The [[bark]] is thick and deeply fissured. The [[leaf|leaves]] are alternately arranged, simple, serrated, thick, leathery, glossy, and 6–18 cm long. The [[flower]]s are large and conspicuous, 4–15 cm diameter, with 5 (occasionally 6-8) white petals; flowering is in late winter or early spring. The [[fruit]] is a dry five-valved capsule, with 1-4 [[seed]]s in each section. The species are adapted to [[acid]]ic [[soil]]s, and do not grow well on [[chalk]] or other [[calcium]]-rich soils. They also have a high [[rain]]fall requirement and will not tolerate [[drought]]. Some botanists include ''Franklinia'' within ''Gordonia'', even though recent phylogenetic studies show that ''Franklinia'''s closest living relationship is with the Asian genera ''[[Schima]]'' and not ''Gordonia''<ref>Prince, L. M. and C. R. Parks. 2001. Phylogenetic relationships of Theaceae inferred from Chloroplast DNA sequence data. Amer. J. Bot. 88: 2309-2320.</ref>; it differs in being [[deciduous]] and flowering in late summer, not late winter. The draft ''Flora of China'' account of Theaceae in China splits ''Gordonia'' into two genera, with ''G. lasianthus'' retained in ''Gordonia'', and the Asian species transferred to ''Polyspora''; this treatment is not yet widely accepted. {{Inc| Gordonia (after James Gordon, an English nurseryman; died 1780). Theaceae. Including Franklinia. Ornamental woody plants grown for their showy white flowers and handsome foliage. Evergreen or deciduous trees or shrubs: lvs. alternate, petioled, entire or serrate: fls. solitary, axillary; sepals and petals 5; stamens numerous; ovary superior, 3-&-celled, each cell with 4 or numerous ovules; style slender, with a 3-6-lobed stigma: caps. 3-6-celled, woody, dehiscent, with few or many winged seeds in each cell.—About 15 species in Subtrop. and Trop. Asia and 2 in the 8. Atlantic States. The gordonias have very handsome shining foliage, and produce their large white flowers even on rather small plants. Only G. alatamaha is hardy north to Massachusetts, while the others are cultivated only in subtropical regions. They grow best in a somewhat moist, peaty, or sandy soil. Propagated by seeds, layers or cuttings from half-ripened wood under glass. {{SCH}} }} ==Cultivation== {{edit-cult}} ===Propagation=== {{edit-prop}} ===Pests and diseases=== {{edit-pests}} ==Species== There are about 40 species, including: *''[[Gordonia anomala]]'' *''[[Gordonia balansae]]'' *''[[Gordonia curtyana]]'' *''[[Gordonia fruticosa]]'' *''[[Gordonia hirta]]'' *''[[Gordonia hirtella]]'' *''[[Gordonia javanica]]'' *''[[Gordonia lasianthus]]'' *''[[Gordonia maingayi]]'' *''[[Gordonia multinervis]]'' *''[[Gordonia penangensis]]'' *''[[Gordonia scortechinii]]'' *''[[Gordonia shimidae]]'' *''[[Gordonia sinensis]]'' *''[[Gordonia singaporeana]]'' *''[[Gordonia tagawae]]'' *''[[Gordonia taipingensis]]'' *''[[Gordonia villosa]]'' *''[[Gordonia wallichii]]'' *''[[Gordonia yunnanensis]]'' Gordonia species from [[East Asia]] were transferred to [[Polyspora]], including:<ref>{{cite web |url=http://xuebao.scib.ac.cn/data/%E5%9B%BD%E4%BA%A7%E5%A4%A7%E5%A4%B4%E8%8C%B6%E5%B1%9E%E7%9A%84%E5%88%86%E7%B1%BB%E5%A4%84%E7%90%86.pdf |title=Taxonomic Treatment of Chinese Polyspora Sweet(Theaceae) |accessdate=2009-02-13 |work=Journal of Tropical and Subtropical Botany |publisher=中国科学院华南植物园 |date= }}</ref> *''[[Polyspora acuminata]]'' *''[[Polyspora axillaris]]'' *''[[Polyspora chrysandra]]'' *''[[Polyspora hainanensis]]'' *''[[Polyspora kwangsiensis]]'' *''[[Polyspora longicarpa]]'' *''[[Polyspora tiantangensis]]'' *''[[Polyspora tonkinensis]]'' ==Gallery== {{photo-sources}} <gallery> Image:Upload.png| photo 1 Image:Upload.png| photo 2 Image:Upload.png| photo 3 </gallery> ==References== *[[Standard Cyclopedia of Horticulture]], by L. H. Bailey, MacMillan Co., 1963    ==External links== *{{wplink}} {{stub}} [[Category:Categorize]]

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