Lindernia dubia




Family Linderniaceae (also placed in Scrophulariaceae)
Scientific name Lindernia dubia (L.) Pennell
Synonyms Capraria gratioloides L.; Gratiola attenuata (Muhlenberg ex Elliott) Sprengel; Gratiola dilatata Sprengel; Gratiola dubia L.; Gratiola tetragona Elliott; Hemianthus micranthus (Pursh) Eaton; Herpestis micrantha Pursh; Ilysanthes attenuata (Muhlenberg ex Elliott) Small; Ilysanthes brevipes Rafinesque; Ilysanthes dilatata Rafinesque; Ilysanthes dubia (L.) Barnhart; Ilysanthes dubia (L.) Barnhart var. inundata Pennell; Ilysanthes gratioloides Bentham; Ilysanthes gratioloides Bentham forma curtipedicellata Bush; Ilysanthes gratioloides Bentham var. depressa Suksdorf; Ilysanthes riparia Rafinesque; Lindernia attenuata Muhlenberg ex Elliott; Lindernia dilatata Muhlenberg ex Elliott; Lindernia dubia (L.) Pennell subsp. major (Pursh) Pennell; Lindernia dubia (L.) Pennell subsp. typica Pennell; Lindernia dubia (L.) Pennell var. inundata (Pennell) Pennell; Lindernia dubia (L.) Pennell var. major (Pursh) Pennell; Lindernia dubia (L.) Pennell var. riparia (Rafinesque) Fernald; Lindernia procumbens auct. non (Krocker) Borbas; Lindernia pyxidaria Pennell, non L.; Lindernia pyxidaria Pennell, non L. var. major Pursh; Vandellia pyxidaria Maximowicz
Common name (Japanese common name) america aze-na [American aze-na (aze-na = Lindernia procumbens (Krocker) Borbas)]
(English common name) moist bank pimpernel, short-stalked false pimpernel, yellowseed false pimpernel
Distribution (Japan) Hokkaido, Honshu, Shikoku, Kyushu, Okinawa
(Other nations) [native] Canada, USA, Mexico, Cuba, Dominican Republic, Jamaica, Puerto Rico, El Salvador, Guatemala, Honduras, Belize, Costa Rica, Nicaragua, Panama, Ecuador, Peru, Colombia, Bolivia, Venezuela, Brazil, Chile, Paraguay, Argentina
Habitat Swamp
Chromosomal number 2n=32
Description Plants 10-30cm tall. Leaves 1-3cm long, 5-13mm wide. Flowers white or pale purple corollas 8-10mm, 2 complete stamens, flowering in July to September. Annual plants.
Reference Lindernia dubia (L.) Pennell
Lindernia dubia (L.) Pennell
Lindernia dubia (Linnaeus) Pennell
Lindernia dubia (L.) Pennell var. dubia
Substituted imide derivatives (US Patent 6806292/2004)
Sucrose-6-phosphate phosphatase as target for herbicides (US Patent 7374899/2008)
Dihydroorotase extracted from plants (US Patent 7320877/2008)
Note Naturalized plants (first discovered in 1936)



August 2007
at lowland swamp
August 2007
at lowland swamp
August 2007
at lowland swamp



August 2007
at lowland swamp