Passiflora herbertiana, or native passionfruit, is a widespread climbing twiner native to moist forests on the coast and ranges of eastern Australia. The subspecies P. h. insulae-howei <small>P.S.Green</small> is endemic to Lord Howe Island in the Tasman Sea.
The leaves are usually 3-lobed usually with a slightly hairy undersurface; 6âÂÂ12 cm long; with petioles mostly 1.5âÂÂ4 cm long, with 2 glands at the apex. Stipules are linear, mostly 1âÂÂ3 mm long. The flowers are 6 cm wide and yellow to orange. The following green berry is 50 mm long with pale spots.
The insulae-howei subspecies is similar: the leaves are usually 4âÂÂ8 cm long and 5âÂÂ8 cm wide. The solitary, orange-yellow to greenish flowers, 60 mm across, appear from October to March. The oval green fruits are 40âÂÂ50 mm long; they are edible but sickly-sweet.
The insulae-howei subspecies is endemic to AustraliaâÂÂs subtropical Lord Howe Island in the Tasman Sea, where it is widespread.
Passiflora herbertiana is included in the Tasmanian Fire Service's list of low flammability plants, indicating that it is suitable for growing within a building protection zone.