seeds

Scots pine Pinus sylvestris trees in pen and ink from young dapling to mature adult tree

Scots pine Pinus sylvestris tuft with mature cone and green cones

Rattan Palm Calamus frond and showing spiked stem, pen and ink

Red campion Silene dioica with buds and hairy stem

Red currant Ribes rubrum showing the shiny red currants and birght green leaves and flowers

Red Dead Nettle Lamium purpureum two flowers with a tangle of small leaves at their base

Reedmace Typha latifolia rhizome detail with roots and vegetative shoot growing from a rhizome

Remember me Rose with three flowers and a bud, and the blue green leaves

Primrose Primula vulgaris

Purple Loosestrife Lythrum salicaria pencil drawing

Purple Loosestrife Lythrum salicaria with three flowering spikes

Purple ramping fumitory Fumaria purpurea with fruit and bud

Pyramidal orchid Anacamptis pyramidalis

Raceme diagram to show this flowering structure

Ragged robin Lychnis flos cuculi with flowers, buds and leaves

Ragwort Senecio jacobaea flowering head and leaves with pale leaf underside shown

Pheasants eye Adonis annua with pinnate leaves and red flowers

Phlox flowering head

Diagram of a pinnate leaf

Diagram of a Pollinia and within an orchid flower

Pondweed Potamogeton praelongus with seeds held erect out of the water and lanceolate leaves underwater

Poppy Papaver rhoeas with bud, seed capsule, and leaf

Opposite leaf diagram using nettle as example

Potato Solanum tuberosum in flower with badly damaged leaves with Colorado beetle Leptinotarsa decemlineata on the leaf and also cut to white beetle. Egg, larva, and pupa