vs
QUICK ANSWER
"Rosa" is a form of "rosa", a noun which is often translated as "rose". "Gualda" is a noun which is often translated as "reseda". Learn more about the difference between "gualda" and "rosa" below.
la gualda(
gwahl
-
dah
)A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
1. (botany)
a. reseda
Quiero pintar las paredes de un amarillo verdoso como las flores de la gualda.I want to paint my walls a greenish yellow like the flowers of the reseda plant.
b. mignonette
Me di un paseo por el campo y recogí unas gualdas para poner en un vaso.I went for a walk in the country and picked some mignonettes to put in a vase.
la rosa, el rosa(
rroh
-
sah
)A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).