Bauhinia is native to the northwestern region of Vietnam. (Photo: hanoimoi.vn)

Each flower has four to six petals. Bright pink veins are visible on each petal. (Photo: hanoimoi.vn)

Many tourists find their beauty and fragrance unforgettable… (Photo: hanoimoi.vn)

…and, if you’re walking on Bac Son and Hoang Dieu streets, unmissable. (Photo: hanoimoi.vn)

Bauhinia trees were first planted in Hanoi in the 1960s and have since become an indispensable part of the capital city. (Photo: hanoimoi.vn)

Streets with bauhinia are also “check-in hotspots” by default. (Photo: hanoimoi.vn)

If you see the capital city’s streets at this time of year glow with Bauhinia flowers’ soft pink and purple hues… (Photo: hanoimoi.vn)

… you know spring is in full swing. (Photo: hanoimoi.vn)