Freesia

Description:

Freesia alba is a perennial herb growing from a corm and producing an erect, often branched stem up to 40 centimeters tall with several leaves up to about 15 centimeters long. The inflorescence is a spike of several fragrant flowers with usually white tepals marked with yellow and purple

Habitat:

native to South Africa, but this species and hybrids are known on other continents where they have been introduced

Notes:

it's probably an hybrid from F. alba and Freesia leichtlinii, that can be found growing naturalized in the wild in many areas,