Luffa flower is edible, non-toxic, sweet, slightly bitter and cold. Luffa flower is the bud of Luffa, a cucurbitaceae plant, which is non-toxic and edible. Luffa flower is rich in vitamin C, which can supplement the nutrients needed by human body, thus preventing the lack of vitamin C in human body. There are flowers at the tail of the loofah, which will wither slowly with the growth of the melon, so sometimes you will see some withered flowers at one end of the melon when you buy the loofah. This loofah is edible.

Extended data:

Luffa flower, Chinese herbal medicine name. This product is the flower bud of Cucurbitaceae plant Luffa or Luffa Guangdong, which is taken when it blooms in summer. Functions: clearing away heat and toxic materials. Treat cough due to lung heat, sore throat, sinusitis, furuncle and hemorrhoids. ① Herbal Medicine in Southern Yunnan: clearing lung heat, eliminating phlegm and lowering qi, relieving cough, stopping sore throat, relieving polydipsia and purging fire. ② "Classification of Herbs": apply furuncle, anneal poison and reduce swelling. ③ "Lu Chuan Ben Cao": Treating sinusitis. 4 "Chongqing Herbs": clearing away heat and facilitating defecation. Treat sore poison and hemorrhoids.

References:

Effect of Luffa Flower Baidu Encyclopedia