Glossary
infloresence - a shoot which is specialised to bear flowers.
leaflet - one of the leaf-like appendages of a compound leaf.
midrib - the central 'vein' of a pinnate leaf.
naturalised - an organism which, though of alien origin manages to run wild and establish self sustaining populations.
palmate - a leaf with several principal (or primary) veins all of which arise from the petiole.
perennial - plants which take more than two years to complete their life cycle.
petal - one of a group of floral parts which immediately surrounds the stamens.
petiole - a stalk subtending the leaf blade; leaf stalk.
pinnate - a leaf with a single principal (or primary) vein, the midrib, which has secondary veins branching out of it.
pinnatifid - pinnate leaves which are cut into lobes reaching roughly halfway to the midrib.