Cardamine debilis

Banks ex DC.

Panapana, New Zealand bitter cress

BrassicaceaeLeaves
Cardamine debilis
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Wikimedia Commons - Cam Kilgour

What to Eat

Edible parts: Leaves

The leaves are eaten raw and add a hot, cress-like flavour to salads.

Where to Find It

It is a temperate plant.

Dominican Republic, New Zealand*, West Indies,

Countries: Antigua & Barbuda, Barbados, Bahamas, Cuba, Dominica, Dominican Republic, Grenada, Haiti, Jamaica, St Kitts & Nevis, St Lucia, Puerto Rico, Trinidad & Tobago, St Vincent

How to Identify

A perennial herbaceous plant reaching 0.3 m tall with a hermaphroditic flower structure. Grows in light sandy, medium loamy, and heavy clay soils across mildly acidic to mildly alkaline pH ranges. Tolerates semi-shade in light woodland conditions or full sun, preferring consistently moist soil.

How to Grow

We have very little information on this species and do not know if it will be hardy in Britain, though judging by its native range it could succeed outdoors in many parts of this country. A polymorphic species. The following notes are based on the general needs of the genus. Prefers a moist humus rich soil in shade or semi-shade but succeeds in most soils that are not dry.

Propagation: Sow seed in spring in a cold frame; germination typically occurs within 1–3 weeks at 15°C. Once large enough to handle, prick seedlings into individual pots and grow on in light shade in a greenhouse or cold frame for the first two years, planting out when dormant in late summer. Divide in early spring or after the plant dies back in summer. Large clumps can go straight into permanent positions, while smaller clumps are better potted and grown on in a cold frame before planting out in spring.

Medicinal Uses

None known.

Other Uses

None known.

Wikipedia

A perennial herbaceous plant reaching 0.3 m tall with a hermaphroditic flower structure. Grows in light sandy, medium loamy, and heavy clay soils across mildly acidic to mildly alkaline pH ranges. Tolerates semi-shade in light woodland conditions or full sun, preferring consistently moist soil.

Notes

There are about 160 Cardamine species. They are mostly in damp places in temperate regions.

References (2)
  • Crowe, A., 1997, A Field Guide to the Native Edible Plants of New Zealand. Penguin. p 71
  • Plants for a Future database, The Field, Penpol, Lostwithiel, Cornwall, PL22 0NG, UK. http://www.scs.leeds.ac.uk/pfaf/

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