What does oblongifolius mean in Latin?

oblongifolius, a adjective, means “oblong-leafed”.

How do you pronounce oblongifolius?

In classical Latin, [ɔb.ɫɔŋ.ɡɪˈfɔ.li.ʊs]; in ecclesiastical (church) Latin, [ob.lon̠ʲ.d͡ʒiˈfɔː.li.us].

adjectivefirst/second-declension adjective

oblongifolius (feminine oblongifolia, neuter oblongifolium)

Classical[ɔb.ɫɔŋ.ɡɪˈfɔ.li.ʊs]Ecclesiastical[ob.lon̠ʲ.d͡ʒiˈfɔː.li.us]

singular
form	masculine	feminine	neuter
nominative	oblongifolius	oblongifolia	oblongifolium
genitive	oblongifoliī	oblongifoliae	oblongifoliī
dative	oblongifoliō	oblongifoliae	oblongifoliō
accusative	oblongifolium	oblongifoliam	oblongifolium
ablative	oblongifoliō	oblongifoliā	oblongifoliō
vocative	oblongifolie	oblongifolia	oblongifolium

plural
form	masculine	feminine	neuter
nominative	oblongifoliī	oblongifoliae	oblongifolia
genitive	oblongifoliōrum	oblongifoliārum	oblongifoliōrum
dative	oblongifoliīs	oblongifoliīs	oblongifoliīs
accusative	oblongifoliōs	oblongifoliās	oblongifolia
ablative	oblongifoliīs	oblongifoliīs	oblongifoliīs
vocative	oblongifoliī	oblongifoliae	oblongifolia

New Latin; from oblongus (“oblong”) + folium (“leaf”).