De or het knolbegonia?

The correct Dutch article is:

de knolbegonia

How to use knolbegonia

the knolbegoniade knolbegonia
this knolbegoniadeze knolbegonia
that knolbegoniadie knolbegonia
our knolbegoniaonze knolbegonia
your knolbegoniajouw knolbegonia
every knolbegoniaelke knolbegonia
which knolbegonia?welke knolbegonia?
a big knolbegonia / the big knolbegoniaeen grote knolbegonia, de grote knolbegonia