Information authenticated by Peter Carey, Centre for Ecology and Hydrology.
Calcareous: Containing free calcium carbonate, chalky.
Germinate: The beginning of growth, usually following a period of dormancy and in response to favourable conditions. For example, the sprouting of a seedling from a seed.
Mycorrhizal: A fungus that forms a close physical association with the roots of a plant, this relationship is mutually beneficial.
Perennial: Plants that live for at least three seasons; after an initial period they produce flowers once a year.
Pollinia: A mass of pollen grains.
Sepals: A floral leaf (collectively comprising the calyx of the flower) that forms the protective outer layer of a flower bud. (See <link>http://www.rbgkew.org.uk/ksheets/pdfs/flower.pdf</link> for a fact sheet on flower structure).
Tubers: In plants, a thickened stem or root that acts as an underground storage organ. Roots and shoots grow from growth buds, called 'eyes', on the surface of the tuber.