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Article: Hybrid origin of "Bauhinia blakeana" (Leguminosae: Caesalpinioideae), inferred using morphological, reproductive, and molecular data

TitleHybrid origin of "Bauhinia blakeana" (Leguminosae: Caesalpinioideae), inferred using morphological, reproductive, and molecular data
Authors
KeywordsBauhinia blakeana
Bauhinia purpurea
Bauhinia variegata
Cultivar
Hong Kong
Hybridization
ISSR
Pollination
Issue Date2005
PublisherBotanical Society of America, Inc (Columbus), Business Office. The Journal's web site is located at http://www.amjbot.org/
Citation
American Journal Of Botany, 2005, v. 92 n. 3, p. 525-533 How to Cite?
AbstractBauhinia blakeana (Leguminosae subfam. Caesalpinioideae tribe Cercideae), or the Hong Kong Orchid Tree, is of great horticultural value. It is completely sterile and is shown here to be the result of hybridization between the largely sympatric species, B. purpurea and B. variegata. Although the analysis of patterns of morphological variation revealed only a few examples of phenotypic intermediacy, study of intersimple sequence repeat (ISSR) markers enabled unequivocal identification of the parental species due to the presence of additive inheritance of alleles and the absence of any bands that are unique to B. blakeana. Investigation of aspects of the reproductive biology of the taxa furthermore revealed that the parental species are largely xenogamous, have flowering periods that overlap seasonally and temporally, and share common pollinators. Evidence is provided to show that B. blakeana is not naturally stabilized and is only maintained horticulturally by artificial propagation. It is therefore recommended that the hybrid be regarded as a horticultural cultivar rather than a naturally occurring species; a new cultivar name, Bauhinia 'Blakeana', is accordingly validated.
Persistent Identifierhttp://hdl.handle.net/10722/73339
ISSN
2015 Impact Factor: 2.811
2015 SCImago Journal Rankings: 1.459
References

 

DC FieldValueLanguage
dc.contributor.authorLau, CPYen_HK
dc.contributor.authorRamsden, Len_HK
dc.contributor.authorSaunders, RMKen_HK
dc.date.accessioned2010-09-06T06:50:21Z-
dc.date.available2010-09-06T06:50:21Z-
dc.date.issued2005en_HK
dc.identifier.citationAmerican Journal Of Botany, 2005, v. 92 n. 3, p. 525-533en_HK
dc.identifier.issn0002-9122en_HK
dc.identifier.urihttp://hdl.handle.net/10722/73339-
dc.description.abstractBauhinia blakeana (Leguminosae subfam. Caesalpinioideae tribe Cercideae), or the Hong Kong Orchid Tree, is of great horticultural value. It is completely sterile and is shown here to be the result of hybridization between the largely sympatric species, B. purpurea and B. variegata. Although the analysis of patterns of morphological variation revealed only a few examples of phenotypic intermediacy, study of intersimple sequence repeat (ISSR) markers enabled unequivocal identification of the parental species due to the presence of additive inheritance of alleles and the absence of any bands that are unique to B. blakeana. Investigation of aspects of the reproductive biology of the taxa furthermore revealed that the parental species are largely xenogamous, have flowering periods that overlap seasonally and temporally, and share common pollinators. Evidence is provided to show that B. blakeana is not naturally stabilized and is only maintained horticulturally by artificial propagation. It is therefore recommended that the hybrid be regarded as a horticultural cultivar rather than a naturally occurring species; a new cultivar name, Bauhinia 'Blakeana', is accordingly validated.en_HK
dc.languageengen_HK
dc.publisherBotanical Society of America, Inc (Columbus), Business Office. The Journal's web site is located at http://www.amjbot.org/en_HK
dc.relation.ispartofAmerican Journal of Botanyen_HK
dc.subjectBauhinia blakeanaen_HK
dc.subjectBauhinia purpureaen_HK
dc.subjectBauhinia variegataen_HK
dc.subjectCultivaren_HK
dc.subjectHong Kongen_HK
dc.subjectHybridizationen_HK
dc.subjectISSRen_HK
dc.subjectPollinationen_HK
dc.titleHybrid origin of "Bauhinia blakeana" (Leguminosae: Caesalpinioideae), inferred using morphological, reproductive, and molecular dataen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0002-9122&volume=92&spage=525&epage=533&date=2005&atitle=Hybrid+origin+of+%27Bauhinia+blakeana%27+(Leguminosae:+Caesalpinioideae),+inferred+using+morphological,+reproductive+and+molecular+dataen_HK
dc.identifier.emailRamsden, L: lramsden@hku.hken_HK
dc.identifier.emailSaunders, RMK: saunders@hkucc.hku.hken_HK
dc.identifier.authorityRamsden, L=rp01484en_HK
dc.identifier.authoritySaunders, RMK=rp00774en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-14644391571en_HK
dc.identifier.hkuros98002en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-14644391571&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume92en_HK
dc.identifier.issue3en_HK
dc.identifier.spage525en_HK
dc.identifier.epage533en_HK
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridLau, CPY=35077701800en_HK
dc.identifier.scopusauthoridRamsden, L=6603549232en_HK
dc.identifier.scopusauthoridSaunders, RMK=35345489600en_HK

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