Webster's Revised Unabridged Dictionary · 1913

Passiflora

Passiflora , noun

[New Latin, from Latin passio passion (from pati, passus, to suffer) + flos, floris, flower.]

(Botany) A genus of plants, including the passion flower. It is the type of the order Passiflorea, which includes about nineteen genera and two hundred and fifty species.