Rudbeckia laciniata




Family Asteraceae (alt. Compositae)
Scientific name Rudbeckia laciniata L.
Synonyms Helianthus laciniatus (L.) E. H. L. Krause; Rudbeckia bupleuroides Shuttleworth ex Chapman; Rudbeckia digitata Miller; Rudbeckia heterophylla Torrey & A. Gray; Rudbeckia laciniata L. var. bipinnata Perdue; Rudbeckia laciniata L. var. digitata (Miller) Fiori; Rudbeckia laciniata L. var. gaspereauensis Fernald; Rudbeckia laciniata L. var. heterophylla (Torrey & A. Gray) Fernald & B. G. Schubert; Rudbeckia laciniata L. var. hortensis Bailey; Rudbeckia laciniata L. var. humilis A. Gray
Common name (Japanese common name) oh-hangonso [large hangonso (hangosno = Senecio cannabifolius)]
(English common name) cutleaf coneflower, green headed coneflower, wild golden-glow
Distribution (Japan) Hokkaido, Honshu, Shikoku, Kyushu
(Other nations) [Native] Canada, USA
Chromosomal number 2n=36, 76
Description Plants electing 1-3m. Flowers involucres 6-10cm, flowering in July to October. Perennial plants.
Reference Rudbeckia laciniata
Rudbeckia laciniata L.
Rudbeckia laciniata L.
Rudbeckia laciniata Linnaeus
Note Naturalized plants (introduced as a garden plant in early 19th).
Invasive plants. Selling, exchange, transport, cultivation, or importation of Rudbeckia laciniata without any permission by the Japanese government is strictly prohibited in Japan under the Law on Prevention against Environmantal Damages by Specific Exotic Animals and Plants (Law no.78-2004, amendment in 2005).



August 2007
at Koishikawa Botanical Garden
August 2007
at Koishikawa Botanical Garden
August 2007
at Koishikawa Botanical Garden



August 2007
at Koishikawa Botanical Garden
August 2007
at Koishikawa Botanical Garden
August 2007
at Koishikawa Botanical Garden



August 2007
at Koishikawa Botanical Garden