Macleaya cordata

30 seeds Macleaya cordata.

Macleaya cordata (syn. Bocconia cordata Willd.) is a species of flowering plant in the poppy family Papaveraceae, which is used ornamentally. It is native to China and Japan. It is a large herbaceous perennial growing to 2.5 m (8 ft) tall by 1 m (3 ft) or more wide, with olive green leaves and airy panicles of buff-white flowers in summer.

It self-seeds readily and can be invasive, so in cultivation requires space. It is a popular subject for flower arranging.

Macleaya cordata is a source of bioactive compounds, mainly isoquinoline alkaloids which are used in phytopreparations with anti-inflammatory and antimicrobial activities. The seed oil contained dihydrosanguinarine, dihydrochelerythrine and twelve fatty acids of which linoleic, oleic, palmitic and stearic acids predominated.

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