The bark of this tree was indicated as an ingredient of curare 
made in former times by the Tukano Indians. 
Nothing is known of the chemistry of this genus. 
Brownea Ariza Bentham, P|. Hartw. (1845) 171. 
CoLtomBiA: Comisaria del Putumayo, Buena Vista. “Flower bright red. Tree 
10-12 feet tall. Palo cruz.” September 13, 1972. F. Piaguaje /1. 
According to the anthropologist Dr. Jean Langdon, the flower 
is prepared in a tea and used as a “vomitivo” to cure bleeding and 
excessive menstruation. 
Campsiandra angustifolia Spruce ex Bentham in Martius, FI. 
Bras. 15, pt. 2 (1870) 55. 
CoLomBiA: Comisaria del Vaupés, Rio Vaupés, Mitt and vicinity. “Flowers 
bright red, fragrant. Bush 9-10 feet.” September 27—October 30, 1966. R. E. 
Schultes, R. F. Raffauf et D. Soejarto 24297. 
Peru: Departamento de Loreto, Iquitos region, San Antonio, Rio Itaya. 
“Huacapurana. Large tree, 30 m in wet forest.” July 30, 1966. R. 7. Martinet C. 
A. Lau-Cam 1189. 
The leaves of this plant are alkaloid negative with Dragendorff 
reagent. 
According to the collectors of Martin et Lau-Cam 1189, in the 
Iquitos region an infusion or alcohol extract is taken twice a day 
for malaria. 
No chemical studies of this genus have been reported. 
Campsiandra laurifolia Bentham ex Hooker, Journ. Bot. 2 
(1840) 94. 
Peru: Departamento de Loreto, Provincia Maynas, Rio Ampiyacu, Pebas 
and vicinity. “Forest near Pebas. Tree 10 m tall. Buds green. Haucapurana.” 
April 23, 1977. T. Plowman, R. E. Schultes et O. Tovar 6990 (Alpha Helix 
Amazon Expedition 1976-1977, Phase VII). 
The bark of this small tree is employed in infusion by the 
Witoto Indians to treat wounds. 
Cassia fruticosa Miller var. Benthamiana (Harms) Macbride in 
Field Mus. Publ. Bot. 13, pt. 3 (1943) 165. 
Ecuapor: Napo, Rio Aguarico, Dureno. “Small tree 25 m; flowers pale 
yellow; leaflet pairs fold in evening. Kofan: kongi-hi.” May 22, 1966. H. V. 
Pinkley 177. 
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