honeydew
cucumbers
Wisteria sinensis
That really isn't enough information to answer your question. Please let us know what climate the flowering vine is growing in, what time of year you saw the flower, and, if possible, what shape and size was the flower. Was it trumpet-shaped? Was it a cluster of flowers? Wisteria is a vine with lavender flowers and a long, twisted seed pod. It grows in Mediterranian climates, but it is a perennial, not an annual.
Where does honeydew grow? On the ground or in a tree?
Only the flowers that are pollenated will begin to develop into a melon.
Bitter melon is an annual, a thin, climbing vine with long, stalked leaves that flowers in July or August. The plant bears a long, cucumber-shaped fruit with small bumps all over it in September or October.
No, a potato and a melon are two completely different things. For one thing, a potato grows under the ground, and a melon grows on a melon vine.
A bitter melon is a vine, Momordica charantia, which produces a bitter, edible fruit, or a similar fruit-bearing vine, Citrullus lanatus, found in Australia.
The kiwi is a flightless bird native to New Zealand. The kiwifruit is a vine fruit, but it is not a melon.
It is a fruit grown on the vine bitter melon
Lavender will probably grow well where vine grows. The soil should be neutral to alcaline.
A cantaloupe is a melon and as such it grows from a vine that "crawls" along the ground. Cantaloupes themselves grow above the ground on this vine.