Epipremnum pinnatum—Native Monstera—ARACEAE

Epipremnum pinnatum

Link to Images on Flickr.

Habitat—Grows in well developed lowland rainforest and gallery forest. Altitudinal range from near sea level to 350 m.

Distribution—Occurs in Cape York Peninsular and North East Queensland. Also occurs in Malaysia and the Pacific islands.

Description—Vine, root–climbing aroid. Stems to 4 cm in diameter. Stems marked by large leaf base scars.

Local occurrences

Raintrees Diamond Beach

Leaves.—Leaf blades deeply pinnately lobed, leaf blades about 40 to 50 by 21 to 25 cm overall, petioles about 25 to 30 cm long, grooved or channelled on the upper surface. Elongated glands or nectaries visible on the underside of the leaf blade and resemble oil dots when viewed from above. Petiole sheathing the stem when young but disintegrating into fibers when older.

Inflorescence.—Spathe about 15 by 9 to 10 cm at anthesis. Spadix about 15 by 3 cm. Flower odour faint, difficult to describe. Flowers near the base of the spadix lack stamens. Staminal filaments about as wide as the anthers. Pollen translucent or white. Stigmas dark, resembling a pencil line and aligned vertically.

Flowering.—Spring

Epipremnum pinnatum
Epipremnum pinnatum

Fruit.—About 27 cm long, outer surface green, segmented, when shed reveals a fleshy mass of individual orange fruits. Seeds about 4 mm diam., immersed in orange flesh. Testa cream. Embryo curved, about 3 mm long.

Ripe.—Summer.