What does longisepalus mean in Latin?

longisepalus, a adjective, means “having long sepals”.

How do you pronounce longisepalus?

In classical Latin, [ɫɔŋ.ɡɪˈsɛ.pa.ɫʊs]; in ecclesiastical (church) Latin, [lon̠ʲ.d͡ʒiˈs̬ɛː.pa.lus].

adjectivefirst/second-declension adjective

longisepalus (feminine longisepala, neuter longisepalum)

Classical[ɫɔŋ.ɡɪˈsɛ.pa.ɫʊs]Ecclesiastical[lon̠ʲ.d͡ʒiˈs̬ɛː.pa.lus]

singular
form	masculine	feminine	neuter
nominative	longisepalus	longisepala	longisepalum
genitive	longisepalī	longisepalae	longisepalī
dative	longisepalō	longisepalae	longisepalō
accusative	longisepalum	longisepalam	longisepalum
ablative	longisepalō	longisepalā	longisepalō
vocative	longisepale	longisepala	longisepalum

plural
form	masculine	feminine	neuter
nominative	longisepalī	longisepalae	longisepala
genitive	longisepalōrum	longisepalārum	longisepalōrum
dative	longisepalīs	longisepalīs	longisepalīs
accusative	longisepalōs	longisepalās	longisepala
ablative	longisepalīs	longisepalīs	longisepalīs
vocative	longisepalī	longisepalae	longisepala

New Latin; from longus (“long”) + sepalum (“sepal”).