Pulchra arbor.
Pulcher soror means beautiful sister in latin!
The Latin feminine noun meaning a tree is arbor.
bellam
Tutier
Innocentia pulchra.
Pulcher/pulchra ego.
Prettycus oopsus.
Bella Britannia.
nigrum est pulchra
ille est pulchra
Pulcher/pulchra bos.
The Latin translation for "beautiful" is pulcher, -chra, -chrum, with forms that vary according to the gender of the noun. E.g., "The daughter is beautiful": filia est pulchra.