Yellow Rattle is an annual
These lovely yellow wildflowers are annuals and therefore they rely on the production of enough seeds that will be dispersed ready for the next years flowers to appear
Stems up to 2 feet in height
The stems can grow in height up to 24 inches and have black spots on them . We are lucky here in the Hebrides to see this flower thriving so well on the meadow like land as many perons throughout the Uk, now buy the wildflower seeds which are included in many mixed wildseed packets. These lovely yellow wildflowers show their faces from May through to September
Yellow Rattle - Hemi Parasitic (or Partially Parasitic)
This plant is hemi parsasitic in that it gets some nutrition from host plants, but yet it can also manage to survive independently as it possesses the pigment chlorophyll and a root system.
Pollination
The flowers are typically pollinated by bumblebees, but if they are not pollinated they can self-fertilise
Flowers
Yellow rattles flowers are yellow and are a tubelike shape which stick out from the green calyx. The flowers are 2 lipped and the upper lip often has 2 short violet teeth which you can just see in the top picture at the tips..
Leaves
The leaves are narrow and toothedand serrated with dark veins and are slightly hairy and are arranged opposite each other in pairs all the way up the stems
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