Rudbeckia hirta

Family	Asteraceae (alt. Compositae)
Scientific name	Rudbeckia hirta L.
Synonyms	Helianthus hirtus (L.) E. H. L. Krause; Obeliscotheca flava (T. V. Moore) Nieuwland & Lunell; Obeliscotheca flava (T. V. Moore) Nieuwland & Lunell var. perbracteata (Lunell) Nieuwland & Lunell; Rudbeckia amplectens T. V. Moore; Rudbeckia bicolor Nuttall; Rudbeckia brittonii Small; Rudbeckia divergens T. V. Moore; Rudbeckia flava T. V. Moore; Rudbeckia flava T. V. Moore var. perbracteata Lunell; Rudbeckia flexuosa T. V. Moore; Rudbeckia floridana T. V. Moore; Rudbeckia floridana T. V. Moore var. angustifolia T. V. Moore; Rudbeckia hirta L. forma dichroma Clute; Rudbeckia hirta L. forma gigantea Clute; Rudbeckia hirta L. forma homochroma Steyermark; Rudbeckia hirta L. forma pleniflora Moldenke; Rudbeckia hirta L. forma viridiflora Burnham; Rudbeckia hirta L. var. angustifolia (T. V. Moore) Perdue; Rudbeckia hirta L. var. annulata Clute; Rudbeckia hirta L. var. bicolor Clute; Rudbeckia hirta L. var. brittonii (Small) Fernald; Rudbeckia hirta L. var. corymbifera Fernald; Rudbeckia hirta L. var. flavescens Clute; Rudbeckia hirta L. var. floridana (T. V. Moore) Perdue; Rudbeckia hirta L. var. lanceolata (Bischoff) Core; Rudbeckia hirta L. var. major Hooker; Rudbeckia hirta L. var. monticola (Small) Fernald; Rudbeckia hirta L. var. pulcherrima Farwell; Rudbeckia hirta L. var. rubra Clute; Rudbeckia hirta L. var. sericea (T. V. Moore) Fernald; Rudbeckia hirta L. var. serotina Core; Rudbeckia hirta L. var. tubuliformis Burnham; Rudbeckia lanceolata Bischoff; Rudbeckia longipes T. V. Moore; Rudbeckia monticola Small; Rudbeckia sericea T. V. Moore; Rudbeckia serotina Nuttall; Rudbeckia serotina Nuttall forma annulata (Clute) Fernald & B. G. Schubert; Rudbeckia serotina Nuttall forma dichroma (Clute) Moldenke; Rudbeckia serotina Nuttall forma flavescens (Clute) Moldenke; Rudbeckia serotina Nuttall forma gigantea (Clute) Moldenke, Phytologia; Rudbeckia serotina Nuttall forma homochroma (Steyermark) Fernald & B. G. Schubert; Rudbeckia serotina Nuttall forma novae-caesareae Oswald ex Moldenke; Rudbeckia serotina Nuttall forma pleniflora (Moldenke) Fernald & B. G. Schubert; Rudbeckia serotina Nuttall forma pulcherrima (Farwell) Fernald & B. G. Schubert; Rudbeckia serotina Nuttall forma rubra (Clute) Fernald & B. G. Schubert; Rudbeckia serotina Nuttall forma tubuliformis (Burnham) Fernald & B. G. Schubert; Rudbeckia serotina Nuttall forma viridiflora (Burnham) Fernald & B. G. Schubert; Rudbeckia serotina Nuttall var. corymbifera (Fernald) Fernald & B. G. Schubert; Rudbeckia serotina Nuttall var. lanceolata (Bischoff) Fernald & B. G. Schubert; Rudbeckia serotina Nuttall var. sericea (T. V. Moore) Fernald & B. G. Schubert; Rudbeckia strigosa Nuttall
Common name	(Japanese common name) arage-hangonso [hairly hangonso (hangosno = Senecio cannabifolius)]
	(English common name) black-eyed-Susan, gloriosa daisy
Distribution	(Japan) Hokkaido, Honshu, Shikoku, Kyushu
	(Other nations) [native] Canada, USA, Mexico
Chromosomal number	2n=19, 38
Description	Plants electing 40-90cm. Flowers involucres 6-10cm, flowering in July to October. Perennial plants.
Reference	Rudbeckia hirta L.
	Rudbeckia hirta L.
Note	Naturalized plants (first discovered in 1938).

August 2007 at Hitachi Coastal Park	August 2007 at Hitachi Coastal Park	August 2007 at Hitachi Coastal Park

August 2007 at Hitachi Coastal Park