Hardenbergia violacea syn. H. monophylla is a species of flowering plant in the pea family Fabaceae, native to Australia from Queensland to Tasmania. It is known in Australia by the common names false sarsaparilla, purple coral pea, happy wanderer, native lilac and waraburra (which comes from the Kattang language). Elsewhere it is also called vine lilac or lilac vine.
It is a vigorous evergreen climber growing to 6 m (20 ft) or more, sometimes growing as a subshrub. It has typical pea-like flowers which are usually violet but can be white, pink or other colours. The leaves are dark green, "hard" and leathery, with prominent venation.
H. violacea is a widespread species found in many habitats. It is also widely grown as a hardy garden plant, with many cultivars now available. In the UK it has gained the Royal Horticultural Society's Award of Garden Merit.
H. violacea regrows from its roots after fire. The roots were experimented with by early European settlers as a substitute for sarsaparilla. It can be propagated from seed after pre-treatment (e.g. scarification), when around 21°C. The seeds are naturally dispersed by ants.
- RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. p. 1136. ISBN 1405332964.
- Kooragang Wetland Rehabilitation Project: Plants of Ash Island
- "USDA GRIN Taxonomy".
- New South Wales Flora Online: Hardenbergia violacea by C. Gardner, Royal Botanic Gardens & Domain Trust, Sydney, Australia.
- Association of Societies for Growing Australian Plants (ASGAP): Hardenbergia violacea
- "RHS Plant Selector - Hardenbergia violacea". Retrieved 20 June 2013.
- False (or Native) Sarsaparilla, Paddock Plants, NSW Department of Primary Industries (2010).
- Amy Grant, Coral Pea Plant Care: How To Grow Hardenbergia Coral Pea, Gardening Know How (2015).
- Hardenbergia violacea, Florabank.
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