How to Use "connivent" with Example Sentences

1. Calyx lobes connivent in 2 lateral pairs .
2. Petals violet or reddish , free but connivent and tube like .
3. Perianth segment apex not acicular , neither connivent nor forming a cone .
4. Perianth segment apex acicular , together connivent and forming a cone , rarely apex membranous and thinly long aristate .