Annual grass of up to 1 m of height. Fluted and rough stem. Leaves widely oval or suborbiculares of 3 to 5 lobes, with the base more or less acorazonada, of 8 to 18 cm. in length and indented. Floral chapters of about 8 mm of diameter; lanceoladas and ciliadas involucrales bracteas. Capsular, ovoid and thorny fruit; straight and ganchudas thorns in the apex.
Origin
Natural of the south of North America and the Antilles.
Location
Abundant in barren lands of Cuba. It is reported that it interferes with with many cultures in the spring and part of the summer.
Properties valued experimentally
Without verified therapeutic effects.
Other attributed properties
It is used in lotions and to contain hemorrhages and to treat escrófulas. Cocimiento by the roots for the renales, hepáticas affections and like anticancerous.
Warnings
It is reported as it plants poisonous for the young cattle.
Other uses
One considers that the leaves clear the spots of the face.
Bibliographical references
It rocks, J.: Undesirable plants in the Cuban cultures. Havana. Ed. Academy of Sciences, 1974. P. 240.
Alain, H.: Flora of Cuba. Vol 5. Havana. Ed. Association of Students of Biological Sciences, 1964. P. 362.
Carvajal, D. ET al.: Rev CENIC (Ciencias Biolo'gicas) 17:34-36,1986. Sources, V. ET to. Referred medicinal plants of popular use like toxic. Bulletin of reviews. 19 medicinal plants: 37, 1988.
Liogier, H. A.: Medicinal plants of Puerto Rico and the Caribbean. San Juan. Edition Latin American, 1990. P. 566.