J.F. Morales 1217 Det. by: J. F. Morales, III 1993 Phenology: LR 11 March 1993 10:10N 84:28W 1150 m ALAJUELA, SAN RAMON Cordillera de Tilarán. Arbusto de 2 m. Flores amarillas.
William Haber 10200 Det. by: J. Strother, II 1993 Phenology: FL 8 December 1990 10:18N 84:48W 1450-1500 m PUNTARENAS, PUNTARENAS Cordillera de Tilarán. Liana, growing over shrubs and tree trunk on roadside. Flowers with green bracts, yellow petals, 4-7, unequal, to 10 mm x 1.5 mm; central florets yellow with black anthers, yellow styles.
Michael Grayum 9579 Det. by: B. L. Turner, 1991 Phenology: FL 15 December 1989 09:28N 83:42W 1550 m SAN JOSE, PEREZ ZELEDON Cordillera de Talamanca. Shrubs or treelets to at least 5 m tall, abundant and conspicuous in roadside thickets. Fls. (ray and disk) lemon- yellow.
Piero Delprete 5021 Det. by: B. L. Turner, IV 1992 Phenology: LR 7 June 1991 09:40N 83:50W 1300-2200 m SAN JOSE, DESAMPARADOS Cordillera de Talamanca. Herb 2 m tall. Flowers yellow.
Piero Delprete 5052 Det. by: B. L. Turner, IV 1992 Phenology: FR 7 June 1991 09:40N 83:50W 1300-2200 m SAN JOSE, DESAMPARADOS Cordillera de Talamanca. Shrub 2 m tall. Leaves rough above, velvety-tomentose below. Stem hollow.
J.F. Morales 953 Det. by: M. Grayum, XI 1992 Phenology: FL 7 November 1992 09:43N 84:23W 450 m SAN JOSE, PURISCAL Z.P. La Cangreja Cerros de Puriscal. Arbusto de 3 m. Flores amarillas, abundantes.
J.F. Morales 2579 Det. by: J. F. Morales, III 1994 Phenology: FR 27 March 1994 09:49N 84:06W 1850 m SAN JOSE, ASERRI Cerros Escazú-La Carpintera. Arbusto de 2 m, con tallos múltiples. Flores amarillas.
Quírico Jiménez 1286 Det. by: Q. Jiménez, IV 1993 Phenology: FL 23 April 1993 09:49N 84:05W 1700 m SAN JOSE, ASERRI Cerros Escazú-La Carpintera. Arbusto de 3.5 m. Abundante. Creciendo en charral. Flores secas muy viejas.
Barry Hammel 18008 Det. by: B. Hammel, VIII 1991 Phenology: FL 20 October 1990 09:58N 84:26W 1000 m ALAJUELA, ATENAS Valle del Tárcoles. Arbusto