ad = to/for
pulchra = beautiful, fair, noble, honorable, excellent, or beauty
I'd say probably best as:
to (or for) the beautiful (or noble)
Depends on the context, of course.
The Latin phrase ad pulchra means literally "for beauty".
How beautiful the tunic is!
pulchra gratia
Utricularia pulchra was created in 1977.
Diphtherocome pulchra was created in 1912.
Phrynella pulchra was created in 1887.
Epicrocis pulchra was created in 1997.
Timia pulchra was created in 1889.
Onceropyga pulchra was created in 2005.
Auriculella pulchra was created in 1868.
Nassella pulchra was created in 1915.
Micardia pulchra was created in 1878.