Lubna (لبنى) is the Arabic name for the storax tree — a fragrant flowering tree native to the Levant. The legendary beloved Lubna bint al-Hubab was the muse of the Umayyad poet Qays ibn Dharih in their famous tragic romance.
Lubna is widely used across the Arab world. Lubna Olayan (born 1955) is the Saudi businesswoman.
Lubna reduces to four — the number of Arab poetic beloved.