snag, I own and enjoy the "recurvy" "longbows" like my Treadway Black Swamps, but I refuse to call them longbows. They are hybrids--sort of like a mule is a cross between a horse and a donkey so you don't call it either horse or donkey, those bows are a cross between a longbow and recurve. They are great shooters and I like mine a lot, but I only refer to my Hills and other Hill style bows as longbows. And it's not because I'm a purist or snob, I shoot all sorts of bows and love anything with a (single) string that shoots arrows. I just have been around archery a long time (like over 50 years) and I tend to use terms we have always used in the past to describe bows. Bear and some other companies came out with hybrid designs in the 50s and they were referred to as "semi-recurves" and I think that was an appropriate name. Here is one of my favorite longbows--a Northern Mist Shelton in green glass.
This is a picture of a Shelton on the left and a Hill string follow Big Five on the right showing the difference in the amount of string follow between the two.