white grape · rare
Perrum
Alentejo, Portugal
Say it
peh·hoom
Final -um is a nasalized vowel; the double-r is a guttural uvular fricative, approximated as H for English speakers
On the palate
limegrapefruitorange blossomgreen applewet stonesalinity
How you spot it blind: saline, mineral finish underpinning restrained citrus; bred to lift blends
The story
VIVC registers Perrum Branco (no. 9183) as a distinct Portuguese variety with HEBEN as one parent — genetically separate from Pedro Ximénez despite near-universal conflation in secondary literature.
Family tree: HEBEN × unknown
Where it lives
Alentejo · Algarve
Shows up as
still white