the.com/moonflower

a bloom that ghosts the daytime crowd and unfurls only for the night shift

means A name for several night-blooming plants — especially the white, fragrant Ipomoea alba, a relative of the morning glory — whose large flowers open in the evening and close by morning.

from A plain English compound of "moon" and "flower," naming the plant for its habit of blooming at night under the moon rather than in daylight. "Moon" descends from Old English mōna, a cousin of German Mond and Latin luna; "flower" comes through Old French flour from Latin flos, flor- ("blossom"). The pairing is descriptive rather than ancient — these moonlit bloomers earned the name for opening when their morning-glory kin have closed up shop.

night bloomer
Opens at dusk, wilts by morning sun
moth romance
Sweet scent lures hawk moths to pollinate
toxic charm
Seeds contain hallucinogenic, potentially deadly alkaloids
fast unfurl
Petals visibly open in mere minutes
family ties
Related to the humble morning glory
for instance

ipomoea alba — tropical climbing vine with large white flowers that bloom only at night, native to central and south america

epiphyllum oxypetalum — night-blooming cereus cactus with fragrant white flowers that open for just one night per year in summer

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