Weedscan Weed Profiles

WeedScan is a free community weed identification, alert, recording and communication system that supports cooperative weeds action Australia-wide. The weed profiles are being improved, please send feedback to weeds@invasives.com.au

View the Project on GitHub Centre-for-Invasive-Species-Solutions/demo_json_api

Piperaceae

Piper aduncum

Common Names: Spiked pepper

Plant Form: Multi stemmed shrub or small tree. Size: Up to 7 m tall. Stem: Smooth and grey to green. Erect and with swollen purplish nodes. Leaves: Elliptic to lance shaped, up to 22 cm long, upper surface green and rough, lower surface paler and hairy. Alternately arranged in 2 rows on opposite sides of branchlets. Flowers: White to pale yellow in spirals on spikes up to 12 cm long which droop near the tip. Fruit and Seeds: Numerous berries embedded onto flower spike, green turning black when ripe, with single black seed within. Habitat: Clearings, roadsides, pastures, plantations. Distinguishing Features: Grows as a multi-stemmed shrub or small tree, whereas most native Piper species are vines. Impacts: Forms dense thickets reducing native species and agricultural productivity.

Growth habit
Spikes are really flowers - white arcs
Leaves
Small plant