Garrett Crow 7367
Det. by: G. Crow, X 1989
Phenology: FR 15 October 1989
10:17N 85:20W 13 m
GUANACASTE, NICOYA
Valle del Tempisque.
Abundant, forming large floating mats.
Stems covered with thick layer of
aerenchyma; petioles ascending, blades
horizontal. Nodules on adventitions
roots. Fruits abundant, many dehisced.
Garrett Crow 7407
Det. by: G. Crow, X 1989
Phenology: 20 October 1989
10:20N 85:20W 2 m
GUANACASTE, BAGACES R.F.S. Dr. Rafael L. Rodrígu
Valle del Tempisque.
Abundant, plants much branched, stems
surrounded by thick layer of
aerenchymous tissue, leaves ascending.
Garrett Crow 7357
Det. by: G. Crow, X 1989
Phenology: FL 14 October 1989
10:57N 85:38W 300 m
GUANACASTE, LA CRUZ
De Bahía Salinas a Santa Cecilia.
Abundant; plants floating on surface,
stem covered with spongy aerenchyma,
petioles ascending, blades horizontal.
Flowers yellow, inflorescence globose,
but stamens all unidirectional.
Garrett Crow 7636
Det. by: G. Crow, VIII 1990
Phenology: 27 August 1990
11:01N 85:32W 260 m
GUANACASTE, LA CRUZ
De Bahía Salinas a Santa Cecilia.
Herbaceous, shrubby habit. Emergent.
Garrett Crow 7627
Det. by: G. Crow, VIII 1990
Phenology: FL 27 August 1990
11:01N 85:33W 260 m
GUANACASTE, LA CRUZ
De Bahía Salinas a Santa Cecilia.
Herbaceous plant with shrubby habit.
Emergent, ca. 1 m tall (stems not
floating). Submersed stems lacking
aerenchyma tissue. Flowers yellow,
petals readily failing off.
Gerardo Herrera 3876
Det. by: B. Hammel, XI 1990
Phenology: 2 May 1990
11:02N 85:10W 30 m
ALAJUELA, UPALA
Llanura de Guatuso.
Hierba acuática, flotante con hojas
sensitivas; tallos huecos y sumamente
esponjosos. Poco común.
Elba López 93
Det. by: Q. Jiménez, VI 1996
Phenology: LR 6 February 1996
11:02N 85:32W 270 m
GUANACASTE, LA CRUZ P.N. Guanacaste
De Bahía Salinas a Santa Cecilia.
Planta, creciendo dentro de la Laguna.
Inflorescencia amarilla. Frutos
inmaduros verdes y maduros pardos.