Jack Dykinga / Foothills of the Temblor Range, carpeted with Coreopsis (yellow) and Purple Owl's Clover (Castilleja exserta) flowers. Carrizo Plain, California, USA. 30th March 2019.

Floris van Breugel / Paintbrush (Castilleja parviflora) flowering in withered sage bush, White Mountains, California, USA, July

Alex Hyde / Fragrant Orchid (Gymnadenia conopsea) and Yellow Rattle (Rhinanthus sp.) flowering in ancient alpine hay meadow. Nordtirol, Austrian Alps. June.

Nick Upton / Traditional organic hay meadow with a profusion of wild flowers and grasses including Pyramid orchid (Anacamptis pyramidalis) Common spotted orchid (Dactylorhiza fuchsii, Rough hawkbit (Leontodon hisp...

Wild Wonders of Europe / Benvie / Broomrape (Cistanche phelypaea) in flower, killing its host Glasswort (Salicornia sp) Huelva, Andalucia, Spain, April 2009

Nigel Cattlin / Knapweed broomrape (Orobanche elatior) flower spike in grassland. Disused chalk pit nature reserve, Berkshire, England, UK. June

Phil Savoie / Indian paintbrush (Castilleja angustifolia) flower, Beaverhead National Forest, Montana, USA. July.

Nick Garbutt / Alpine Wildflower meadow, a diversity of species including Meadow clary (Salvia pratensis), Sainfoin (Onobrychis sp) and Rattle (Rhinanthus sp). North Tyrol, Austria. June.

Adrian Davies / Knapweed broomrape (Orobanche elatior), parasite on roots of Greater knapweed (Centaurea scabiosa). Hampshire, England, UK. June.

Nigel Cattlin / Knapweed broomrape (Orobanche elatior) flowers, parasite of Knapweed (Centaurea). Kent, England, UK.

Heather Angel / Broomrape (Pedicularis longiflora) in wet meadow amongst Horsetail (Equisetum sp). Maroon marks on flowers act as Nectar guides. Road from Barkham to Ruo Er Gai, Sichuan Province, China. July.

Heather Angel / Bumblebee scarab beetles (Pygopleurus humeralis) feeding on Phelypaea flower (Phelypaea coccinea). Flower has marks that mimic beetle elytra wings to attract pollinators. Plant parasitic on Tanacetum...