Pisonia umbellifera —Birdlime Tree — NYCTAGINACEAE

Pisonia umbellifera

Link to Images on Flickr.

Habitat—Subtropical and Littoral Rainforest.

Distribution—North from Jervis Bay in New South Wales to North Queensland.

Description—Small tree to 6 meters (much larger in Queensland) with distinctive light green crown. Its sticky seeds attach to birds which can debilitate them making them unable to fly.

Local occurrences

Bennett Head, Booti Hill, Burgess Beach, Cape Hawke, Cliff Road, Elizabeth Beach, Royal Botanic Gardens Sydney, Sea Acres National Park and Second Head

Leaves.— Simple, in pseudo—whorls with a long petiole, alternate or opposite, often in groups of 3—5, ovate or broadly—elliptic, 10—30 co long (to 50cm on juvenile plants), margins entire, apex bluntly pointed or notched, base tapering: soft and hairless; both surfaces glossy, upper surface dark green, lower surface paler. Petiole 2—8 cm long, thick with purplish tint.

Pisonia umbellifera
Pisonia umbellifera

Inflorescence—On long floral tube, pale green with no petals, funnel shaped, 6mm long when expanded arranged in small terminal leafless panicles.

Flowering.—September to January

Fruit— A nut enclosed in the long, narrow ribbed floral tube which is 3—5 cm long and exude a dark sticky gum.

Ripe.—January to March

Pisonia umbellifera