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Ipomoea alba

fig: Ipomoea alba

Order: Solanales
Family
: Convolvulaceae
Common name: Dudhi-kalmi (Beng.); Moon flower (Eng.).
Life cycle: Perennial
Native Range: Native to tropical and subtropical regions of the New World, from northern Argentina north to Mexico and Florida.

Ipomoea alba is a perennial herbaceous liana growing to a height of 5-30 m tall with twining stems. Their leaves are entire or three-lobed, 5-15 cm long, with a 5-20 cm long stem. Their flowers are fragrant, white or pink, and large, 8-14 cm diameter. Their flowers open quickly in the evening and last through the night, remaining open until touched by the morning sun. On overcast days, the blossoms may remain open for longer. The flowers also tend to remain open longer during cool temperatures - which may also cause the segments to snag or tear as they open.