Crotalaria assamica




Family Fabaceae (alt. Leguminosae)
Subfamily Faboideae
Tribe Crotalarieae
Scientific name Crotalaria assamica Bentham
Synonyms Crotalaria burmannii de Candolle; Crotalaria sericea Burman f.
Common name (Japanese common name) kogane-tanuki-mame (コガネタヌキマメ, 黄金狸豆 [meaning: golden tanuki-mame (tanuki-mame = Crotalaria sessiliflora)]
(English common name) Indian rattlebox, rattle pod
Distribution (Japan) Kyushu (south of Amami Islands), Okinawa
(Other nations) [native] China, Taiwan, Philippines, Vietnam, Laos, Thailand, Myanmar, India
Habitat Field, roadside
Chromosomal number 2n=16
Description Plants electing 100-300cm tall. Leaves 4-12cm long, 1-2.5cm wide. Flowers yellow ca. 2-3cm long, flowering in July to October. Annual plants.
Reference  Crotalaria assamica Benth.
6H-Benzofuro[3,2-C][1] Benzopyran and [2] Benzopyrano [4,3-B] [1]Benzopyran dedivatives and wood extracts of these compounds as aryl hydrocarbon receptor (AHR) antagonists for the prevention of UV-B induced skin damage (WIPO patent WO/2007/128725)
Note  Naturalized plants.
Fruits of Crotalaria assamica is non-hair, fruits of Crotalaria juncea is hairy.



September 2008
at Kochi Prefecture
Makino Botanical Garden
September 2008
at Kochi Prefecture
Makino Botanical Garden
September 2008
at Kochi Prefecture
Makino Botanical Garden



September 2008
at Kochi Prefecture
Makino Botanical Garden



September 2008
at Kochi Prefecture
Makino Botanical Garden
September 2008
at Kochi Prefecture
Makino Botanical Garden