Michael Grayum 10408 Det. by: M. Grayum, XI 1993 Phenology: FL 2 April 1993 09:46N 84:32W 130-150 m SAN JOSE, TURRUBARES R.B. Carara Valle del Tárcoles. Weed in sandy soil near river. Stems reddish. Fls. scarious.