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Snake vine

Stephania japonica

Also called Ivyweed, Tapevine

Snake vine
Photo: Poyt448 Peter Woodard, CC0

Snake vine (Stephania japonica) is a climbing vine of the moonseed family, often found in sheltered coastal areas across tropical and subtropical Asia and the Pacific. It grows best in warm, humid conditions with shelter from strong winds and frost.

Family
Menispermaceae (Menisperm family)
Grows as
Climber
Light
Part shade, Bright indirect
Water
Keep soil evenly moist during the growing season and let the top layer dry slightly between waterings.
Soil
Free-draining, fertile potting mix or garden loam enriched with organic matter.
Temperature
18–32 °C; protect below 10 °C
How easy
Moderate
Safety
Toxic: The plant contains alkaloids such as protostephanine, which act on blood pressure; ingesting plant material may cause harm.
Edible
Yes, some parts
Native range
Trop. & Subtrop. Asia to S. Pacific
Climate
wet tropical

About

Stephania japonica, known as snake vine, is a vine often seen in sheltered areas near the sea.

Safety

Protostephanine is an alkaloid collected from Stephania japonica. Antihypertensive agent.

Where it grows

In Australia, it is widespread vine seen as far south as Eden, New South Wales and north through Queensland. It is also found in Japan, India, Nepal, and many other areas of south-east Asia and the Pacific region. The original specimen was collected in Japan, hence the specific epithet “japonica”. The variety in New South Wales is known as bicolor, as the under-side of the leaf is somewhat paler than above.

Other Stephania plants

Stephania capitata · Stephania cephalantha · Stephania crebra · Stephania pierrei · Stephania tomentella · Stephania

Text excerpted from the Wikipedia article Stephania japonica by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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