Usage: 2 forms in 2 verses
Form Translated As     In Verse(s)
κληματίσ their small vine branch LXX.Deut.32.32
κληματίδασ small vine branches LXX.Isa.18.5

Liddell-Scott-Jones

κληματίς (klēmatis) a small vine branch G:N-F

κληματίς-ίς, ίδος, ,

diminutive of κλῆμα, vine-branch, [LXX+1st c.AD+] (generally, branch,[Refs 1st c.AD+]: usually in plural, brushwood, faggots, [LXX+5th c.BC+]

__II periwinkle, Vinca herbacea, [Refs 1st c.AD+]
__II.2 traveller's joy, Clematis Vitalba, [Refs 2nd c.AD+]
__II.3 probably bearbind, Convolvulus arvensis, [Refs 1st c.AD+]

LSJ Scripture Refs: LXX.Deut.32.32 ☩ LXX.Dan.3.46