Which genus of plants has more members, Haberlea or Cucumis?
Haberlea:  The only member of this genus, Haberlea rhodopensis, is endemic to several mountains in Bulgaria, especially the Rhodope mountains, and small part of northern Greece. Cucumis: Cucumis is a genus of twining, tendril-bearing plants in the Cucurbitaceae family which includes the cucumber ("Cucumis sativus"), muskmelons ("Cucumis melo", including cantaloupe and honeydew), the horned melon ("Cucumis metuliferus"), and the West Indian gherkin ("Cucumis anguria").
Cucumis