Scientific Name:
Cestrum parqui (lam.) L'Hér.
Vernacular Name(s):
Green cestrum; Green poison-berry; Willow-leaved jessamine

Shrub, generally 1–3 m high. Petiole to 1 cm long. Lamina 2–12–(14) × 0.5–3 cm, lanceolate to narrow-ovate, minutely puberulent when young, otherwise glabrous; base attenuate or cuneate; apex acute to short-acuminate. Infl. paniculate, dense; branches ± puberulent; fls subsessile or with pedicels to 7 mm long, fragrant nocturnally. Calyx 3–6 mm long; lobes 1 mm long, ± triangular, obtuse to subacute; margins shortly villous. Corolla 1.5–2.3 cm long, greenish yellow or pale brownish yellow; tube narrow-salverform, widening slightly above; lobes 3.5–6 mm long, narrow-triangular, patent, shortly villous inside and on margins, acute or short-acuminate. Fr. 7–10 × 6–8 mm, broad-ovoid to broad-ellipsoid, glossy, black or purplish black.

[From: Webb et al. (1988) Flora of New Zealand. Volume 4.]


Flowering: Nov.–Jun.

Biosecurity New Zealand 2012: Regional Pest Management Strategies Database.
Biosecurity New Zealand 4 Aug 2011: Unwanted Organisms Register.
Biosecurity New Zealand 2008: National Plant Pest Accord. MAF Biosecurity New Zealand, Wellington.
Howell, C. 2008: Consolidated list of environmental weeds in New Zealand. DOC Research & Development Series 292: 42.
Ministry for Primary Industries 23 Feb 2017: Unwanted Organisms Register. Version 02.01.02.