Common name: Bitter Bark, Strychnine Tree, Native Quince, Forest Quinine, Quinine Tree, Quinine Bush
Petalostigma pubescens Domin APNI*
Synonyms: Petalostigma nummularium Airy Shaw APNI*
Description: Shrub or small tree to 10 m high.
Leaves ovate to ± circular, 2–6 cm long, 1–2.5 cm wide, margins ± entire, upper surface dark green; lower surface grey and finely pubescent with long and short hairs; petiole 3–8 mm long, hairy.
Male flowers in clusters of 3 or 4, female flowers solitary, creamy-fawn.
Fruit 12–17 mm diam., pubescent, mostly 4-locular, orange-yellow to orange; ripe April–November.
Distribution and occurrence: north from Ramornie on the Clarence River.
Grows in dry rainforest or in open forest.
NSW subdivisions: NC, NWS, NWP
Other Australian states: Qld W.A. N.T.
Petalostigma was formerly placed in Euphorbiaceae.
Text by T.A. James & G.J. Harden, Flora of New South Wales Vol. 1: 401-402 (1990), in Euphorbiaceae; last revised May 2017
Taxon concept: Australian Plant Census (accessed May 2017)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.