Corolla
Термины кактусовода
Part of the perianth consisting of petals, colored in various hues, which attract pollinators. Serves as an important morphological character in plant systematics.
Glossary of terms
A reference section with categories and short explanations.
Caatinga
Термины кактусовода
Xerophytic low-growing forests and shrub thickets in the northeastern part of the Brazilian Highlands, formed under hot, dry climatic conditions. Cactus soil is a specialized potting mix used for growing cacti.
Callus
Термины кактусовода
"Callus", forming at the site of injury on a plant and consisting of dividing cells. Promotes wound healing and the union of grafts.
Cambial ring
Термины кактусовода
Sap-conducting vessels arranged as a cylinder along the axis of the stem. They appear as a ring in cross-section.
Cambium
Термины кактусовода
Secondary meristematic tissue located along the length of the stem as a thin cylindrical layer of cells.
Campos
Термины кактусовода
Local name for savannas — plains covered with perennial grasses with scattered trees or areas of shrub thickets.
Carotenoids
Термины кактусовода
(From Latin carota – carrot) – pigments of various colors contained in chloroplasts and chromoplasts.
Categorization of plants
Термины кактусовода
Division of plants into groups during their classification. The main classification categories are class, family, genus, species.
Caudex
Термины кактусовода
The lower perennial, lignifying parts of the stem or root of plants with a taproot system.
Classification of plants
Термины кактусовода
Systematization of the plant world based on the process of its historical development, with subsequent division into groups according to any similar characteristic or to several characteristics that recur from generation to generation.
Cleistogamy
Термины кактусовода
(Cleistogamous flower) (from Greek kleistos - closed and gamos - marriage) - self-pollination and self-fertilization in flowers that do not open.
Cell sap
Термины кактусовода
The liquid that fills the vacuoles of plant cells and is a product of their metabolic activity (mineral salts, amino acids, carbohydrates, organic acids, pigments).
Clone
Термины кактусовода
A series of successive generations of genetically uniform individuals formed as a result of asexual or vegetative reproduction from a common ancestor.
Central spines
Термины кактусовода
Spines located in the center of the areole.
Compost
Термины кактусовода
Fertilizer obtained as a result of the decomposition of various organic substances under the activity of microorganisms (the basis of compost is manure).
Convergence
Термины кактусовода
Similarity of traits that arises in the course of evolution in phylogenetically distant plants under the influence of similar environmental conditions.
Cristate forms
Термины кактусовода
An anomaly (an unusual form) of plant development in which the growing point is stretched into a line and the cactus acquires a crest-like form.
Crossing-over
Термины кактусовода
(From Eng. crossing-over - crossover) - mutual exchange of homologous segments between homologous chromosomes as a result of breakage and rejoining in a new order of their strands - chromatids; leads to new combinations of alleles of diffe…
Cultivar
Термины кактусовода
An individual obtained by cultivation and differing in certain characteristics (morphological, physiological, and others) that are valuable to maintain when reproduced both vegetatively and by generative means. Equivalent to the term 'vari…
Cactus culture
Термины кактусовода
The set of practices ensuring the survival of cacti in a collection.
Cultivation characteristic
Термины кактусовода
Distinctive features of plants grown under cultivation, differing from their natural traits.
Cultivated plants
Термины кактусовода
Plants that have been grown for many generations under conditions of selection and care by humans during their cultivation.
Cuticle
Термины кактусовода
(From Latin cuticula - skin) - a layer of fatty (waxy) substance that covers the surface of the epidermis of aerial organs with a continuous film; poorly permeable to aqueous solutions, gases, and microorganisms. A thick cuticula, densely …
Cross-pollination
Термины кактусовода
Fertilization of a flower by pollen from another plant.
Cotyledons
Термины кактусовода
Modified first leaves of the embryos of dicotyledonous plants, developing in the seed and usually serving after germination as storage organs for nutrients.
Clay loam
Термины кактусовода
Soil containing clay and sand with a predominance of clay.
Chimeras
Термины кактусовода
Plants composed of tissues from two different individuals, resulting from somatic mutations (at the cellular level).
Chlorosis
Термины кактусовода
(From Greek chloros - pale green) - a disease in which the formation of chlorophyll is disrupted as a result of changes in nutrient conditions, deficiency of iron or magnesium, excessive moisture, poor lighting, as well as viral or fungal …
Chloroplast
Термины кактусовода
Special green bodies in plant cells.
Chlorophyll
Термины кактусовода
A coloring substance (pigment) whose presence determines the coloration of plant leaves and stems.
Chromoplast
Термины кактусовода
Special bodies in plant cells that synthesize carotenoids.
Colored forms
Термины кактусовода
See "achlorophyllous forms".
Cephalium
Термины кактусовода
A woolly, densely bristly formation on the apices of the stems of certain cactus genera, or on their lateral parts, from which fruits and flowers emerge. The development of a cephalium leads to morphological changes in the stem in the area…
Chaparral
Термины кактусовода
Subtropical formations of evergreen, low-growing xerophytic shrubs with isolated bare rock outcrops.
Cuttings
Термины кактусовода
Parts of a plant used for rooting.
Cutting
Термины кактусовода
A portion of stem separated from the parent plant, capable, after rooting, of restoring the plant's vitality as a whole.