Botanical Words Alphabetical List - DE DEADHEADING: The removal
of dead flowers or flower heads. DEALKALIZATION: The removal of
exchangeable sodium from the soil by a process of leaching or
chemically treating the soil. DECAYED ORGANIC MATTER: Decomposed
plant or animal matter, used to improve the soil. DECIDUOUS:
Losing its leaves annually at the end of the growing season;
semi-deciduous plants lose only some leaves. DECLINATE: Bent or
curved downward or forward. DECOMPOSE: To release chemicals from
organic matter by means of bacterial action. DECOMPOUND: Divided
into a number of compound divisions, such as a leaf divided into
leaflets or a cluster of flowers divided into numerous
branchlets. DECUMBENT: Reclining with the tips ascending; a
plant that has its base lying on the ground and a stem that
grows upward. DECURRENT: Extending down the stem (i.e. a leaf
with a base extending downward along the stem). DECUSSATE:
Arranged in pairs alternately crossing each other at right
angles. DEEP PERCOLATION: The dow