Bryonia cretica subsp. dioica
Vascular – Exotic
Dicotyledonous Lianes and Related Trailing Plants
Terrestrial. Disturbed and open forest and shrubland, stream edges
Soft, summer-green, cucumber-like vine to 6 m tall, dying back in autumn to perennial tuber. Tubers brittle, branching, huge; branches 45-160 x 100- 800 cm, oriented vertical to horizontal. Stems arise from end of tuber, soft; with slender, coiling tendrils. Leaves to 15 x 15 cm, thin, 5-lobed, middle lobe longest. Flowers tubular, to 2 cm long, whitish with green stripes. Fruit round, 4-8 mm diam, smooth skinned, succulent, yellow turning red, many-seeded, 5-8 clustered.
Sicyos australis (mawhai) (indigenous) has prickly 1-seeded fruits. Tamus communis (black Bryony) is also similar.
December, January, February
dioica: Two plants
Reason For Introduction
Life Cycle Comments
Spreads by seeds and vegetatively by tuber fragments.
Many seeds contained within each fruit.
Tuber fragments via water, soil disturbance, garden refuse. Seed dispersed by birds.
Tolerates wet to seasonal drought, warm to cool, variety of soils, semi shade. Poisonous so not browsed.