London (change)
Today 12°C / 7°C
Tomorrow 10°C / 7°C

1 to 10 of 62 glossary items

Cactus

A member of the succulent plant family, particularly adapted to arid and extremely hot environments, and characterised by spines. Often flowers at night.


Calcareous

A term that refers to alkaline soil, which contains calcium or calcium carbonate.


Calcicole

A plant that favours chalky or calcareous soils.


Calcifuge

A plant that cannot tolerate alkaline soil. Described as ericaceous, calcifuges grown on alkaline soils will exhibit symptoms of iron deficiency.


Calcium

A chemical element (atomic number 20, chemical symbol ca). A soft, grey, alkaline earth metal, essential for living organisms in cell physiology.


Calyx

A ring or whorl of sepals, which may be coloured and petal-like or green. Helps to protect the flower in bud.


Cambium

An internal layer of cells between the inner bark and the sapwood of a tree, where growth takes place. It gives secondary xylem and phloem, thereby increasing the girth of the organ.


Campanulate

Bell shaped.


Cane

A long, supple woody stem, often used to support young or fragile plants.


Canker

A general term for disease that's characterised by patches of dead cells on the trunk or branches of a tree or woody plant. Also see Anthracnose.


1 to 10 of 62 glossary items