Chris Mattison / Arum (Arisaema ovale sadoense), Japan. Cultivated.

Chris Mattison / White-spathed jack in the pulpit (Arisaema candidissimum). Western China. Cultivated.

Chris Mattison / Lords and Ladies (Arum maculatum). Monmouthshire, Wales, UK. April.

Heather Angel / Titan arum (Amorphophallus titanum) at Kew Gardens, London, UK. Emits odour at night to attract carrion beetle and flesh fly pollinators. Native to Sumatra, Indonesia.

Heather Angel / Elephant yam (Amorphophallus paeoniifolius) spathe with band of male flowers above and female flowers below. In cultivation.

Heather Angel / Elephant yam flower (Amorphophallus paeoniifolius) spadix surrounded by spathe. Cultivated in glasshouse.

Heather Angel / Voodoo lily (Amorphophallus bulbifer). Native to Asia.

Heather Angel / Voodoo lily (Amorphophallus bulbifer), female flowers fluroescing in UV light, male flowers above. Native to Yunnan, China.

Heather Angel / Skunk cabbage (Lysichiton americanus), taken with infra-red thermograph camera in swamp area. Spadix hottest at 22C. In cultivation, Surrey, England, UK. Native to Canada and USA. Sequence 2/2.

Heather Angel / Skunk cabbage (Lysichiton americanus) in visible light. In cultivation, Surrey, England, UK. Native to Canada and USA. Sequence 1/2.

Eladio Fernandez / Carossier oil palm (Attalea crassispatha). Sheathing bract enclosing flower cluster. Les Cayes, Haiti, Hispaniola.

Eladio Fernandez / Carossier oil palm (Attalea crassispatha). Sheathing bract enclosing flower cluster. Les Cayes, Haiti. Hispaniola.

Michael Hutchinson / Titan arum (Amorphophallus titanum), in flower, close up of spathe. Cultivated specimen in botanic garden, native to Sumatra. Kew Gardens, London, UK. 23 April 2016 This species has the largest unbran...

Michael Hutchinson / Spathe of Titan arum (Amorphophallus titanum), in flower, cultivated specimen in botanic garden, native to Sumatra. Kew Gardens, London, UK. 23 April 2016 This species has the largest unbranched flowe...

Paul Harcourt Davies / Dragon Arum (Dracunculus vulgaris) which smells of rotting flesh / carrion to attract flies for pollination, Chania, Crete, April

Adrian Davies / Cross section of the spathe of a Wild arum / Lords and Ladies / Cuckoo pint (Arum maculatum), showing in succession (from below) female flowers, male flowers, and sterile flowers forming a ring of hai...

Nick Upton / Cross section through Cuckoo Pint / Lords and Ladies / Wild Arum (Arum maculatum) spathe showing hairs that trap pollinating flies above brown male flowers above yellow female flowers. Wiltshire, UK,...

Nick Upton / Cross section through Cuckoo Pint / Lords and Ladies / Wild Arum (Arum maculatum) spathe showing hairs that trap pollinating flies above brown male flowers above yellow female flowers. Wiltshire, UK,...

MYN / Niall Benvie / Cuckoo pint / Wild arum / Lords and ladies (Arum maculatum) in flower meetyourneighbours.net project

Philippe Clement / Wild arum / Lords and ladies / Cuckoo pint (Arum maculatum) flower spathe and spadix, spring, Belgium

Matthias Breiter / Western Skunk Cabbage (Lysichiton americanum) showing bright yellow spathe surrounding the club-like spadix, Cordova, Alaska

Nigel Cattlin / Ripening red, green and yellow fruit / berries on Wild arum / Cuckoo pint / Lords and ladies (Arum maculatum) Berkshire, England, UK. June

Nigel Cattlin / Ripe red fruit on Wild arum / Cuckoo pint / Lords and ladies (Arum maculatum) Berkshire, England, UK. June

Linda Pitkin / Dragon arum (Dracunculus vulgaris). Naturalised in Frylands Wood, Surrey, England, UK. June.

Linda Pitkin / Dragon arum (Dracunculus vulgaris) with unopened spathe, naturalised in Frylands Wood. Surrey, England, UK. June.