Botanical Words Alphabetical List - SU SUB-: Under, below, or
almost. SUBAXILLARY: Situated under an axil, as a subaxillary
bud. SUBCLASS: In plant and animal classification, a taxonomic
category of related orders within a class. SUBFAMILY: A
taxonomic group of related genera (groups) within a family.
SUBGENUS: A category in taxonomy of related species within a
genus (group). SUBHERBACEOUS: A herbaceous plant that becomes
more woody later in the growing season. SUBIRRIGATION: The
natural or deliberate irrigation through the control of the
water table that will raise water into the root zone. SUBMERGED:
1. Adapted to grow, or growing under water. 2 Under water.
SUBPETIOLAR: Located under or within the base of the petiole, as
the leaf buds of the plane tree. SUB-SHRUB: A perennial that has
a woody base, but whose herbaceous shoots die back in the
winter. SUBSOIL: The soil which lies beneath that which is
cultivated; it is usually hard and infertile. When the ground is
being dug up to form a garden, the subsoil