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1、FloraofChina15:190–204.1996.PLUMBAGINACEAE白花丹科baihuadankePengTse-Hsiang1;RudolfV.Kamelin2Shrubs,shrublets,orherbs.Stemsstriate,sometimesreducedtoacaudex.Leavessimple,alternateorbasal;stipulesabsent;leafbladeentireorrarelypinnatelylobed,withchalkglandsonbothsurfaces.Inflorescencestermi
2、naloraxillary,spicate,spicate-racemose,subcapitate,capitate,orpaniculate,arrangedintocomplanatespikesifbranched,allcomposedof1–10ormorecymulesorhelicoidcymes(knownasspikelets)each1–5-flowered;bracts1atbaseofeachspikelet;bractlets1or2atbaseofeachflower.Flowersbisexual,actinomorphic,hyp
3、ogynous,sessileorveryshortpedicellate.Calyxpersistent,tubulartofunnelform,5-ribbed,5-lobed.Corollapetalsconnatebutsometimesonlyatbase;lobesorsegments5,twisted.Stamensoppositecorollalobes,hypogynousorinsertedatcorollabase;anthers2-locular,dehiscinglongitudinally.Pistil1.Ovarysuperior,1
4、-locular;ovules1,pendulousfromabasalfunicle.Styles5,freeorconnate;stigmas5.Capsuleusuallyenclosedwithincalyx.Seed1percapsule;embryostraight,surroundedbythinstarchyendosperm.About25generaand440species:worldwide,maindiversityinCAsiaandMediterraneanregion;sevengeneraand46species(11endemi
5、c)inChina.ArmerialabradoricaWallrothsubsp.sibirica(Turczaninow)KamelinisexpectedtobefoundinAltayShanneartheborderwithMongoliaand/orRussia.PengTse-hsianginLeeShu-kang,ed.1987.Plumbaginaceae.Fl.Reipubl.PopularisSin.60(1):1–47.1a.Stylesconnate,5-branched;stigmasoninnersurfaceofstylebranc
6、hes;calyxherbaceousormembranousonlybetweenribs,neverscarious,withoutinflatedorexpandedlimb;corollawithlongtube.2a.Calyxlackingglands...................................................................................................................................3.Ceratostigma2b.Calyx
7、withconspicuousstalkedglands.3a.Calyx7.5–13mm,glandularontubeandlobes;corollasalverform,limbrotate.......................................1.Plumbago3b.Calyx4–4.5mm,glandularonlyonlobes;corollanarrowlycampanulate,lobeserect.........................2.Plumbagella1b.Styles5;stigmasterminal
8、,depr
