Erect stem
Термины кактусовода
Standing perpendicular to the substrate.
Glossary of terms
A reference section with categories and short explanations.
Enzymatic treatment
Термины кактусовода
Treatment of seeds with biological catalysts — enzymes, accelerating seed germination. Simulates the passage of seeds through the digestive tract of animals.
Enzymes [enzymes, biocatalysts]
Термины кактусовода
(From Latin fermentum - fermentation, leaven) specific proteins present in all living cells and playing the role of biological catalysts.
Evolution
Термины кактусовода
Irreversible development of plants in the historical aspect of their origin and subsequent life processes, accompanied by the formation and modification of the genetic composition of populations and their adaptation to the environment in t…
Edatop
Термины кактусовода
The set of soil characteristics of a given environment.
Exotics
Термины кактусовода
Plants cultivated or introduced by humans into areas where they did not occur naturally.
Ecological niche
Термины кактусовода
The physical space with its characteristic ecological conditions that determine the existence of an organism; the place of a species in nature.
Ecotype
Термины кактусовода
Genetically fixed, ecologically formed race (group of individuals of a single species).
Ecotope
Термины кактусовода
(From Greek oikos - dwelling, habitat, and topos - place) the aggregate of abiotic environmental conditions of a given site that constitutes the habitat for a particular plant community.
Elite plants
Термины кактусовода
The best representatives of a genus or species, selected from collections as source material for their further propagation.
Endemic
Термины кактусовода
(From Greek endemos - local) - a taxon (species, genus, family...) restricted in its distribution to a particular territory and not found anywhere else in the wild.
Endosperm
Термины кактусовода
(From Greek endon - inside and sperma - seed) - nutritive tissue that develops in the seed. In cacti it is absorbed by the embryo already at an early stage of development and in the seed is residually represented only by a thin film (not t…
Epidermis, epiderma
Термины кактусовода
(From Greek epi - on, above, over, and derma - skin) - the outermost, primary in origin covering (protective) tissue of leaves and stems, i.e., the plant's skin, almost always consisting of a layer of tightly packed cells, some of which fo…
Epicotyl
Термины кактусовода
Stem segment above the cotyledons (shoot).
Epiphytes (Epiphytic cacti)
Термины кактусовода
Cacti and plants in general that often grow on trees and other plants, but, unlike parasites, use their hosts only as a substrate for attachment and do not feed at their expense.
Erosion
Термины кактусовода
The destruction of rocks and soil, with the transfer of particles from one place to another under the influence of winds, heavy precipitation, and catastrophic events (earthquakes, eruptions, etc.).
Etiolation of plants
Термины кактусовода
An abnormal growth of the stem, its elongation, change in coloration, and cessation of flowering, associated with keeping the plant in unsuitable conditions, primarily due to insufficient light levels.
Etiolated growth
Термины кактусовода
Growth produced in darkness.
Ephemerals
Термины кактусовода
Annual plants with a short, usually spring, period of development.