DNA replication
Cactus grower terms
(From Latin replicatio - repetition) - the process of self-replication of macromolecules of nucleic acids before cell division, ensuring the accurate copying of genetic information.
Glossary of terms
A reference section with categories and short explanations.
Dead parts remaining on the root
Cactus grower terms
Dead parts remaining on the plant's root.
Derived seeds
Cactus grower terms
Seeds obtained outside the plant's native range.
Diagnosis of a taxon
Cactus grower terms
Description of the distinguishing morphological, physiological, or cultivation-related characteristics of plants of various ranks (genus, species, variety, etc.). It is first provided by the author in Latin, with the accepted abbreviation …
Dichotomous branching
Cactus grower terms
A relatively rare phenomenon in cacti in which the main axis at the stem tip divides into two, usually equally developed axes, forming paired stems each with its own growing point.
Dichotomy
Cactus grower terms
Tendency toward dichotomous branching.
Dimorphic
Cactus grower terms
(From Greek di - double and morphe - species, form) - species and populations having two morphs.
Dioecious plants
Cactus grower terms
Plants having male (with stamens) and female (with pistils) flowers on separate individuals.
Distribution area
Cactus grower terms
(Distribution area) (from Latin area - area, space) - part of the Earth's territory within which a given taxon (species, genus, family...) is distributed and completes its full life cycle. May be continuous or fragmented.
Dominant
Cactus grower terms
(From Latin dominantis - dominant) a species that is quantitatively predominant in a given community.
Dormant
Cactus grower terms
(Dormant state) (from English dormant - inactive, sleeping) - being in a state of rest or hibernation.
Dormant buds
Cactus grower terms
Formed in autumn but developing in spring.
Drainage
Cactus grower terms
The bottom layer in plant pots consisting of small stones, sand, crushed brick, clay shards, expanded clay (LECA), coarse gravel and other materials to prevent waterlogging in the lower layers of the root ball and to increase aeration of t…