High-mountain plants
Термины кактусовода
Plants of high mountains.
Glossary of terms
A reference section with categories and short explanations.
Habitus
Термины кактусовода
(From Latin habitus - appearance, outward aspect) the external appearance of an organism, the natural form of a plant.
Halophyte
Термины кактусовода
(From Greek hals - salt and phyton - plant) - a plant that grows on highly saline soils.
Heliophytes
Термины кактусовода
Plants that prefer maximum sunlight.
Heliophobes
Термины кактусовода
Plants that prefer minimal sunlight.
Helminthosporiosis
Термины кактусовода
Fungal disease of cacti.
Hybrid
Термины кактусовода
(From Latin hybrida, hibrida — mixture) an organism obtained as a result of combining the genetic (hereditary) information of genotypically different (non-identical) organisms.
Hybridization
Термины кактусовода
Crossing by pollination of genetically different parental forms of organisms to obtain offspring possessing mixed characteristics of the parental pair; the process of obtaining offspring (hybrids) from dissimilar parents.
Hybrid plants
Термины кактусовода
Plants produced by hybridization.
Hygroscopicity
Термины кактусовода
The ability to absorb and retain water.
Hydroponics
Термины кактусовода
Cultivation of plants without soil on artificial media and in nutrient solutions, including purely water culture.
Hilum
Термины кактусовода
(From Latin hilum - small thing) - the scar remaining on the seed after its separation from the funiculus.
Hypocotyl
Термины кактусовода
The hypocotyl is the part of a seedling between the radicle and the cotyledons.
Holotype
Термины кактусовода
A specimen of a plant that the author used as the nomenclatural type. If the author who described the taxon did not designate a holotype, or if the holotype was lost or destroyed, a lectotype or neotype may be designated as a replacement.
Hormones
Термины кактусовода
(From Greek hormao - I set in motion, I stimulate) biologically active substances produced by clusters of specialized plant cells and exerting targeted action on other organs and tissues. Under the control of hormones, all stages of an org…
Humus
Термины кактусовода
High-molecular-weight, dark-colored organic substances of the soil formed from the products of decomposition of plant and animal residues — decomposed organic remains. It is the main component determining soil fertility.
Humus components
Термины кактусовода
Soil fractions of the substrate of natural origin (leaf mould, turf soil, loam) containing humus
Heredity
Термины кактусовода
The property of organisms that ensures material and functional continuity from parents to offspring.
Hypocotyl
Термины кактусовода
Part of the plant located below the cotyledons.
Hilum
Термины кактусовода
The point of attachment of the seed in the fruit.