A

Abaxial  (Synonym dorsal) [ Botany ]

Abbreviation (list of abbreviation used in this glossary)

Abiotic [ Ecology ]

Abnormal [ Biology ]

Aboveground [ Botany ]

Abscisic acid [ Plant physiology ]

Abscission [ Botany ]

Absorb - Absorption [ Physiology - Chemistry - Botany]

Absorbent roots [ Botany ]

Acanthoid [ Botany  ]

Acaricide [ Chemistry - Horticulture ]

Acarpous [ Botany ]

Accepted Scientific Name  [ Taxonomy ]

Accession [ Taxonomy ]

Accessory [ Botany ]

Accessory fruit [ Botany ]

Accessory tissue  [ Botany ]

Acclimatization [ Botany - Horticulture ]

Acicula - aciculate - acicular  [ Botany ]

Acicular leaf [ Botany ]

Acidic, Acidity [ Chemistry ]

Acidophilus [ Botany - Ecology ]

Actinomorphic [ Botany ]

Activation [ Biology ]

Active [ Biology - Physiology ]

Acuminate [ Botany ]

Acute [ Botany ]

Acyclic [ Botany ]

Adaptation [ Botany - Biology ]

Adaptive growth [ Ecology - Physiology ]

Adaxial (Synonym ventral) [ Botany ]

Adnate Adnation[Botany]

Adpressed (The same as: Appressed.) [Botany]

Adult [Biology]

Adult phase [ Botany ]

Advanced [ Biology ]

Adventitious/adventive [ Botany and Ecology ]

Adventitious buds [ Botany ]

Adventitious plant [ Botany ]

Adventitious root [ Botany ]

Aerating root [ Botany ]

Aerial  [ Botany ]

Aerial root  [ Botany ]

Aestivation [ Ecology - Botany ]

Affected [ Phytopathology ]

Affinis (abbreviation: aff. or affin.) [ Taxonomy ]

Age [ Biology ]

Agent [ Biology ]

Aggregate fruit [ Botany ]

Aggregate (of species) [ Taxonomy ]

Agronomy

Air

Air-borne [ Pathology ]

Air circulation in the soil [ Horticulture - Pedology ]

Air circulation in the atmosphere (Ventilation)  [ Horticulture - Ecology ]

Aizoaceae [ Botany ]

Albinos  [ Horticulture - Ecology ]

Alive [ Biology ]

Alkaline

Alkaloid [ Botany- Biochemistry ]

Allele [ Genetics ]

Allergenic [ Botany ]

Allopatric [ Biology - Ecology ]

Allotype [ Taxonomy ]

Aloacee see: Asphodelaceae  [ Botany - Taxonomy ]

Alternate [ Botany ]

Altitude Alt. (syn elevation)   [ Ecology ]

Amendant [ Biology - Agronomy - Morphology - Meteorology ]

Amorphous [ Biology - Agronomy - Morphology - Meteorology ]

Analogous [ Biology ]

Anastomosis [ Botany - Biology ]

Anatomy  [ Biology ]

Ancestor [ Biology ]

Ancestral [Biology]

Anchorage [ Botany ]

Anchoring roots [ Botany ]

Androecium [ Botany ]

Anemochory  [ Botany ]

Anemophily [ Botany ]

Angiospermae [ Botany ]

Animals [ Biology ]

Anisophyllous [ Botany ]

Annual [ Botany ]

Annual ring [ Botany ]

Annulate [ Botany ]

Annulus [ Botany ]

Ant [ Zoology ]

Ant pollination [ Botany ]

Ant dispersal [ Botany ]

Anther [ Botany ]

Antheridium (Plural: Antheridia) [ Botany ]

Anthesis [ Botany ]

Anthocyanin [ Botany - Phytochemistry ]

Antibody [ Biology ]

Anticryptogamic [ Phytopathology - Horticulture ]

Antifungal [ Phytopathology - Horticulture ]

Antigen [ Biology ]

Antimicotic  [ Phytopathology - Horticulture ]

Antimicrobial  [ Phytopathology - Horticulture ]

Apex [ Botany ]

Aphids  [ Horticulture - Phytoparasithology ]

Apical  [ Botany ]

Apical bud  [ Botany ]

Apical dominance [ Botany ]

Apical meristem [ Botany ]

Apiculate [ Botany ]

Apocynaceae syn: Asclepiadaceae [ Botany - Taxonomy ]

Apoplast [ Botany - Plant anatomy ]

Apocarpous [ Botany ]

Apparatus [ Botany - Biology ]

Application [ Biology - Horticulture]

Appressed  [ Botany ]

Approximate  [ Botany ]

Aqueous Adj. [ Botany ]

Arachnid [ Zoology ]

Arborescent (Syn: Arboreal)   [ Botany - Morphology ]

Areole [ Botany ]

Aridity Adj: Arid [ Biology - Meteorology ]

Aril [ Botany ]

Arista (Syn: Awn) [ Botany ]

Artic  [ Geography - Ecology ]

Articulate  [ Botany ]

Artificial

Artificial lights [ Horticulture ]

Ascending   [ Botany]

Asclepiadaceae (Apocynaceae) [ Botany - Taxonomy ]

Asclepiadaceae (Flower anatomy) [ Botany]

Asexual [ Biology ]

Aspect [ Ecology - Landscaping ]

Asperulous [ Botany ]

Asphodelaceae (syn: Aloacee - Liliaceae) [ Botany - Taxonomy ]

Association [ Ecology ]

Astomate [ Botany ]

Asymmetry [ Morphology ]

Atavism [ Biology ]

Atmosphere [ Biology - Meteorology ]

Atom [ Chemistry ]

Atrophy [ Biology - Phytopathology ]

Attack [ Phytopathology - Phytoparasitology ]

Attraction - attractant [ Botany - Ecology]

Auricle [ Botany ]

Author authority authorship [ Biology Taxonomy ]

Autochory  [ Botany ]

Autochthonous [ Biology ]

Autogamy [ Biology ]

Autotroph [ Biology ]

Autumn (fall) [ Botany - Agronomy - Climatology ]

Auxin [ Botany Physiology ]

Awl shaped [ Botany ]

Awn (see: Arista)  [ Botany ]

Axil [ Botany ]

Axillary [ Botany ]

Axillary bud    [ Botany ]

Axillary bud proliferation    [ Botany ]

Axillary shoot    [ Botany ]

axial symmetry [ Botany - Geometry ]

Axis [ Biology ]

Axis of growth [ Botany ]