Argemone platyceras

11 Sep

Argemone platyceras (27/07/2013, Kew Gardens, London)

Argemone platyceras (27/07/2013, Kew Gardens, London)

Position: Full sun

Flowering period: Summer to early autumn

Soil: Moist, well drained

Eventual Height: 1m

Eventual Spread: 90cm

Hardiness: 8a, 8b, 9a, 9b, 10a, 10b

Family: Papaveraceae

Argemone platyceras is a short lived deciduous perennial. Its spiny blue green leaves are pinnatifid and up to 35cm long. Its white flowers have a yellow/ red centre, are solitary and up to 12cm across. Its fruit is a spiny capsule, up to 5cm long and 2.5cm broad.

Argemone platyceras Flower (27/07/2013, Kew Gardens, London)

Argemone platyceras Flower (27/07/2013, Kew Gardens, London)

Argemone platyceras, commonly known as Blessed Thistle, Prickly Poppy, Crested Poppy or Chicalote Poppy, is native Mexico. In its native habitat it grows in a prairie type habitat. Argemone platyceras is synonymous with Argemone mexicana var. aculeatissima

The etymological root of the binomial name Argemone is from the Greek and is a name given to plants by Dioscorides which were used to treat cataracts. Platyceras is derived from the Greek platus meaning ‘broad’ and kerasths meaning ‘horned’.

Argemone platyceras Leaf (27/07/2013, Kew Gardens, London)

Argemone platyceras Leaf (27/07/2013, Kew Gardens, London)

The landscape architect may find Argemone platyceras useful as a short lived perennial for a drought tolerant planting scheme. Once established this plant is drought tolerant.

Ecologically, Argemone platyceras flowers are attractive to pollinating insects.

Argemone platyceras prefers moist, well-drained soils. It tolerates most pH of soil. It will tolerate well drained sandy gravelly soils.

Argemone platyceras requires little maintenance. Seed heads may be removed to prevent excessive self seeding.

Argemone platyceras Seed Pod (27/07/2013, Kew Gardens, London)

Argemone platyceras Seed Pod (27/07/2013, Kew Gardens, London)



Davis Landscape Architecture

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One Response to “Argemone platyceras”

  1. David 12/09/2013 at 16:49 #

    Ceras means horn, refering to the appendages below the top of the calyx of the calyx.

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