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Oxalidales		 Flora of New York — Malpighiales (1)
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Malpighiales (2)
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The Malpighiales ... as described in the Angiosperm Phylogeny Website

Order Family Subfamily Tribe Genus Common names #
Malpighiales Hypericaceae — Hypericeae Triadenum marsh St. John's wort 2
Hypericum St. John's wort 18
Podostemaceae Podostemoideae — Podostemum river weed 1
Elatinaceae — — Elatine water wort 3
Violaceae Violoideae Violeae Hybanthus greenviolet 1
Viola violet 57
Salicaceae Salicoideae — Populus cottonwood, aspen, poplar 11
Salix willow 36
Euphorbiaceae Acalyphoideae Acalypheae Acalypha copperleaf, three-seed mercury 4
Mercurialis herb mercury 1
Ricinus castor bean 1
Crotonoideae Crotoneae Croton rushfoil, hogwort 1
Euphorbioideae Euphorbieae Euphorbia spurge, sandmat 21
Linaceae Linoideae Lineae Linum flax 9

Family Hypericaceae

The Hypericaceae (St. John's-wort family) is sometimes included in the Clusiaceae.[1]
  1. ↑ Clusiaceae Troy Weldy & David Werier (2013) New York Flora Atlas. New York Flora Association, Albany, New York.

Tribe Hypericeae

Triadenum

Malpighiales — Hypericaceae — Hypericeae — Triadenum
Triadenum Marsh St. Johnswort N.Y. Status Images Distribution NY NPT
 (L.) Raf.
yyyy. Hypericum virginicum L.
yyyy. Triadenum virginicum (L.) Raf.
 Marsh St. John's wort,
Virginia marsh St. John's wort		 Native,
Secure
NYFA-5
USDA-NN
NPT Can
ITIS


LBJ

Images, wsp
 (Spach) Gleason
 Fraser's marsh St. Johnswort Native,
Secure
NYFA-5
USDA-NN
NPT 
ITIS




Images, wsp

    Hypericum

    The genus Hypericum is organized here into sections as treated by Robson (2016).[1] The name Hypericum was derived from the Greek hyper (above) and eikon (picture), possibly indicating that the flowers of these plants were hung above pictures or windows.
    1. ↑ Norman K.B. Robson (2016) Flora of North America, Volume 6, 24-Apr-2016
    Hypericum sect. Brathys
    Robson describes this group as an "informal sect. group." It combines the New York Hypericum species which were previously placed in sections Brathys and Trigynobrathys.
      Malpighiales — Hypericaceae — Hypericeae — Hypericum sect. Brathys
      Hypericum sect. Brathys St. John's-wort N.Y. Status Images Distribution NY NPT
       L.
      1753. Hypericum mutilum L.
      		 Dwarf St. John's-wort Native, C:6,
      Secure
      		NYFA-5
      USDA-NN
      NPT 
      ARS 
      Trop.



      Images, wsp
      (Britton) E.P.Bicknell
      1891. H. canadense var. boreale
      1895. H. boreale (Britton) E.P.Bicknell
      1895. H. mutilum var. boreale
      1979. H. mutilum ssp. boreale
      		 Northern St. Johnswort,
      Northern St. John's-wort      		 Native, C:7,
      Secure
      		NYFA-5
      USDA-NN
      NPT Can
      ARS ITIS
      Trop.



      Images, wsp
      (A.Gray) Britton
      1867. H. canadense var. majus
      1894. H. majus (A.Gray) Britton
      1908. H. mutilum var. longifolium
      1951. H. blackstonioides Obern. (i)
      1951. Sarothra major
      (A. Gray) Y.Kimura
      		 Greater Canadian St. John's-wort,
      Larger Canadian St. John's-wort,
      Large St. Johnswort      		 Native, C:6,
      Secure
      		NYFA-5
      USDA-NN

      ARS 
      FNA Trop.



      Images, wsp
       L.
      		 Lesser Canadian St. John's wort,
      Lesser Canadian St. Johnswort,
      Canadian St. John's-wort,
      Lesser St. Johns-wort      		 Native, C:6,
      Secure
      		NYFA-5
      USDA-NN
      NPT 
      ARS 




      Images, wsp
       (L.)
      Britton, Sterns & Poggenb.
      		 Orangegrass,
      Orange-grass St. John's-wort,
      Pineweed      		 Native, C:4,
      Secure
      		NYFA-5
      USDA-NN

      ARS 




      Images, wsp
      Walter
      		 Coppery St. Johnswort,
      Coppery St. John's-wort      		 Native, C:10,
      Endangered,
      NYNHP: 1[1]
      		NYFA-1
      USDA-N0

      ARS 




      Images, wsp
      E.P.Bicknell (pro. sp.)
        Hypericum boreale ×
        Hypericum canadense
      1895. Hypericum canadense
      var. parvicarpum E.P.Bicknell
      1913. H. dissimulatum E.P.Bicknell
      		 Disguised St. John's-wort Native,
      Endangered
      		NYFA-1?
      USDA-NN
      NPT 
      ITIS
      Trop.



      Images, wsp
      Hypericum sect. Brathys (excluded taxa) St. John's-wort N.Y. Status Images Distribution NY NPT
      Engelm. & A.Gray
      		 Claspingleaf St. John's-wort,
      Clasping-leaved
        St. John's-wort      		 N. America native,
      N.Y. excluded
      		NYFA-XCLD
      USDA-N0

      ARS ITIS




      Images, wsp
      1. ↑ New York Natural Heritage Program. 2016. Online Conservation Guide for Hypericum denticulatum. Endangered, S1/G5.
      Hypericum sect. Myriandra
      The species of Hypericum sect. Myriandra are shrubs or subshrubs.[1]
      1. ↑ Norman K. B. Robson. Hypericum sect. Myriandra (Spach) R. Keller Flora of North America 6:7 Hypericaceae
      Malpighiales — Hypericaceae — Hypericeae — Hypericum sect. Myriandra
      Hypericum sect. Myriandra St. John's-wort N.Y. Status Images Distribution NY NPT
       Hook.
      1831. H. ellipticum Hook.
      1836. Brathydium canadense Spach
      1840. H. brathydium Steudel
      1908. H. canadense var. oviforme
      		 Pale St. Johnswort,
      Pale St. John's-wort,
      Elliptic St. John's-wort,
      Elliptic-leaved
        St. John's-wort
      Millepertuis elliptique      		 Native, C:6,
      Secure
      OBL
      Perennial,
      Herb-forb
      		NYFA-5
      USDA-NN
      NPT Can
      ARS ITIS
      FNA Trop.
      NSE BNA


      Images, wsp
       L.
      1767. H. prolificum L.
      1836. Myriandra ledifolia Spach
      1836. M. spathulata Spach
      1836. M. prolifica (L.) Spach
      1840. H. spathulatum (Spach) Steud.
      1856. Brathys prolifica (L.) Payer
      		 Shrubby St. Johnswort,
      Shrubby St. John's-wort
      Millepertuis prolifère      		 Native, C:3,
      Threatened,
      NYNHP: 2[1]
      FACU
      Perennial,
      Shrub,
      Sun - part shade
      		NYFA-2
      USDA-NN
      NPT Can
      ARS 
      FNA Trop.
      BNA
      LBJ
      MBG 
      Images, wsp
      W.P.C.Barton
      1818. H. adpressum W.P.C.Barton
      1821. H. fastigiatum Elliott
      1840. H. adpressum var. fastigiatum
      1853. Brathydium fastigiatum
      (Elliott) K.Koch
      1853. Myriandra adpressa
      (W.P.C.Barton) K.Koch
      		 Creeping St. John's-wort Native, C:10,
      Threatened,
      NYNHP: 2[2]
      OBL
      Perennial,
      Herb-forb
      		NYFA-2
      USDA-N

      ARS 
      FNA Trop.



      Images, wsp
       Pursh
      1813. H. densiflorum Pursh
      1856. H. prolificum var. densiflorum
          
      		 Bushy St. John's-wort Native, C:10,
      Endangered,
      NYNHP: 1[3]
      FACW
      Perennial,
      Shrub
      		NYFA-1

      ARS 
      FNA Trop.



      Images, wsp
      W.P.Adams & N.Robson
      1803. Ascyrum multicaule
      Michx. ex Willd.
      1936. A. hypericoides var. multicaule
      1961. H. stragulum
      W.P.Adams & N.Robson
      1980. H. hypericoides ssp. multicaule
      		 Low St. John's-wort,
      St. Andrew's cross,
      Multi-stemmed
        St. John's-wort      		 Native, C:5,
      Endangered,
      NYNHP: 1[4]
      FACU
      Perennial,
      Shrub, subshrub
      		NYFA-1
      USDA-N0
      NPT 
      ARS 
      FNA 



      Images, wsp
       L.
          
          
          
      		 Kalm's St. John's-wort Native,
      Likely extirpated
      		NYFA-Z
      USDA-NN

      ARS 




      Images, wsp
       Michx.
      1791. H. aureum W.Bartram (i)
      1803. H. frondosum Michx.
      1814. H. amoenum Pursh
      1901. H. splendens Small
      		 Golden St. John's-wort,
      Cedarglade St. Johnswort      		 Introduced,
      Not naturalized,
      Cultivated
      		NYFA-X
      USDA-N0

      ARS ITIS
      FNA Trop.
      NSE BNA


      Images, wsp
      Hypericum sect. Myriandra (excluded taxa) St. John's-wort N.Y. Status Images Distribution NY NPT
      (L.) Crantz
      1753. Ascyrum hypericoides L.
      1766. H. hypericoides (L.) Crantz
          
      		 St. Andrew’s cross N. America native,
      N.Y. excluded
      		NYFA-XCLD
      USDA-N0


      FNA Trop.



      Images, wsp
      (L.) Cranz
      1753. Ascyrum crux-andreae L.
      1766. H. crux-andreae (L.) Cranz
          
      		 St. Peter's-wort N. America native,
      N.Y. excluded
      		NYFA-XCLD


      FNA Trop.



      Images, wsp
      1. ↑ New York Natural Heritage Program. 2016. Online Conservation Guide for Hypericum prolificum. Threatened, S2/G5.
      2. ↑ New York Natural Heritage Program. 2016. Online Conservation Guide for Hypericum adpressum. Threatened, S2/G3.
      3. ↑ New York Natural Heritage Program. 2016. Online Conservation Guide for Hypericum densiflorum. Endangered, S1/G5.
      4. ↑ New York Natural Heritage Program. 2016. Online Conservation Guide for Hypericum hypericoides ssp. multicaule. Endangered, S1/G5T4.
      Hypericum sect. Roscyna
      Section Roscyna contains the great or giant St. John's wort (Hypericum ascyron), which is native to Asia and northeastern North America. The rare native subspecies H. ascyron ssp. pyramidatum is present in New York, while the Asian subspecies do not appear to be present in the wild.
        Malpighiales — Hypericaceae — Hypericeae — Hypericum sect. Roscyna
        Hypericum sect. Roscyna St. John's-wort N.Y. Status Images Distribution NY NPT
         L.
        ssp. pyramidatum
        (Aiton) N. Robson
        1789. H. pyramidatum Aiton
        1797. H. amplexicaule Lam. (i)
        1802. H. ascyroides Willd.
        1803. H. macrocarpum Michx.
        1813. H. bartramianum Pursh
        1836. Roscyna americana Spach
        1951. H. ascyron var. americanum
        2001. H. ascyron ssp. pyramidatum
        		 Great St. John's-wort,
        American
          great St. Johnswort,
        Giant St. John's-wort
        Millepertuis à grandes fleurs,
        Millepertuis à grande fleur,
        Millepertuis faux-ascyrum,
        Millepertuis pyramidal        		 Native, C:8,
        Rare
        FAC
        Perennial,
        Herb-forb
        		NYFA-3
        USDA-NN
        NPT Can
        ARS ITIS
        FNA FoC Trop.
        BNA


        Images, wsp
        Note: IW
        Hypericum sect. Roscyna (excluded taxa) St. John's-wort N.Y. Status Images Distribution NY NPT
         L.
        ssp. ascyron
        1753. Hypericum ascyron L.
        1856. Roscyna japonica Blume
        		 Asian great St. Johnswort
        Millepertuis ascyron,
        Huang hai tang,
        Yuan ya zhong        		 Introduced from
         Asia,
        N.Y. excluded
        		NYFA-XCLD
        USDA-NN
        Can
        ARS 
        FoC Trop.



        Images, wsp
         L.
        ssp. gebleri (Ledeb.) N. Robson
        1831. H. gebleri Ledeb.
        1831. H. ascyron var. macrosepalum
        1836. Roscyna gebleri (Ledeb.) Spach
        1859. H. ascyron var. brevistylum
        2001. H. ascyron ssp. gebleri
        		 North-Asian
          great St. Johnswort,
        Siberian
          great St. Johnswort,
        Short-style
          great St. Johnswort
        Duan zhu huang hai tang        		 Introduced from
         northern Asia,
        Impersistent

        USDA-NN

        ARS 
        FoC Trop.



        Images, wsp
          Hypericum sect. Hypericum
          Malpighiales — Hypericaceae — Hypericeae — Hypericum sect. Hypericum
          Hypericum sect. Hypericum St. John's-wort N.Y. Status Images Distribution NY NPT
           Lam.
              H. subpetiolatum
          		 Spotted St. Johnswort,
          Spotted St. John's-wort          		 Native, C:4,
          Secure
          FAC
          Perennial,
          Herb-forb
          		NYFA-5
          USDA-NN
          NPT 
          ARS 




          Images, wsp
           L.
          ssp. perforatum
          1753. Hypericum perforatum L.
          1763. H. officinarum (L.) Crantz (i)
          1778. H. vulgare (L.) Lam. (i)
          1789. H. officinale (L.) L.Gaterau (i)
          1833. H. marylandicum Biroli ex Colla
          1877. H. perforatum var. confertiflorum
          1907. H. perforatum var. microphyllum
          1941. H. nachitschevanicum Grossh.
          		 Common St. John's-wort,
          Perforate St. John's-wort,
          Klamathweed,
          Goatweed,
          Eola-weed,
          Tipton's weed,
          Rosin-rose
          Millepertuis commun,
          Millepertuis perforé          		 Introduced from
           Eurasia,
           northern Africa,
          Somewhat invasive,
          NYIS: 47%[1],
          IO
          		NYFA-X
          USDA-XX
          NPT Can
          ARS 
          FoC Trop.
          NSE BNA
          IPN 

          Images, wsp
          1. ↑ New York non-native plant invasiveness assessment – Hypericum perforatum: Low (47).
          Hypericum sect. Oligostema
          Hypericum humifusum
          trailing St. John's-wort
            Malpighiales — Hypericaceae — Hypericeae — Hypericum sect. Oligostema
            Hypericum sect. Oligostema St. John's-wort N.Y. Status Images Distribution NY NPT
             L.
            1753. H. humifusum L.
            		 Trailing St. John's-wort Introduced,
            Not naturalized,
            Impersistent,
            Queens County 1879
            		NYFA-X
            USDA-X0

            ARS ITIS
            Trop.
            BNA


            Images, wsp

              Family Podostemaceae

              The Podostemaceae (riverweed family) …

              Subfamily Podostemoideae

              Genus Podostemum

              Malpighiales — Podostemaceae — Podostemoideae — Podostemum
              Podostemum River weed N.Y. Status Images Distribution NY NPT
              Michx.
                  Podostemum abrotanoides
              		 Riverweed,
              Threadfoot,
              Hornleaf riverweed,
              River-moss              		 Native, C:8,
              Threatened
              OBL
              Perennial,
              Herb-forb
              		NYFA-2
              USDA-NN

              ITIS

              BNA


              Images, wsp

                Family Elatinaceae

                The Elatinaceae is a small family with probably fewer than 50 species and only two genera worldwide. Only one genus (Elatine) has species that are native or naturalized in New York.

                Genus Elatine

                Malpighiales — Elatinaceae — Elatine
                Elatine Water wort N.Y. Status Images Distribution NY NPT
                (Nutt.) Fisch. & C.A.Mey.
                		 Small water-wort Native,
                Likely secure
                		NYFA-4
                USDA-NN
                NPT 





                Images, wsp
                 (Pursh) Arn.
                		 American water-wort Native,
                Endangered
                		NYFA-1
                USDA-N0
                NPT 





                Images, wsp
                 Schkuhr
                		 Threestamen waterwort,
                Three-stamened waterwort                		 Introduced
                		NYFA-X
                USDA-NN
                NPT 





                Images, wsp
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                  Oxalidales                  		 Flora of New York — Malpighiales (1)
                  Hypericaceae, Podostemaceae, Elatinaceae                  		 →
                  Malpighiales (2)
                  Violaceae
                  Table of
                  contents                  		 Genus
                  index                  		 Protected species index Invasive species index
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