Any root produced above the growing medium.
The part of the stamen containing the pollen; the end of the
An old pseudobulb behind the part of a sympodial
orchid that is actively growing. Although there may be no leaves the presence
of undamaged "eyes" is a sign that growth is possible.
Having two leaves.
An elongated psuedobulb, usually used when describing Dendrobiums.
Small pieces of broken earthenware or flower pots, placed in the
bottom of a pot when repotting to aid in drainage.
An individual plant and its vegetative
propagations in cultivation; a horticultural variety.
A plant which naturally grows upon another plant but does
not derive any nourishment from it. Many of the orchids in cultivation are
The bud of a sympodial orchid that will eventually develop into a new
Many minor nutrients and trace elements
beneficial to growth are best absorbed through the stomata of an orchids leaves
when mixed with water and sprayed on the plant.
(pl. genera) A natural grouping of closely related species.
The type of place in which a plant normally grows.
The offspring of a cross between species or
The flowering portion of a plant.
A hybrid between members of two or
A Hawaiian word referring to a baby plant produced asexually by an
orchid plant, usually used when referring to Dendrobiums or Vandaceous orchids.
An immature vegetative growth on a sympodial orchid that will develop
into flower-producing structure.
A modified petal of the orchid flower specialized to aid in pollination
and different than the other petals.
An orchid that grows on rocks
The material in which an orchid is container-grown, it may be
organic such as fir bark or inorganic such as lava rock.
A plant derived from tissue culture that is identical to its
Orchids which grow upward from a single stem
producing leaves and flowers along that stem.
A joint on a stem or pseudobulb from which a leaf or growth
An inflorescence with a main stem and branches, the flowers on the
lower branches open earlier than the upper ones.
The process a plant uses to produce
carbohydrates and sugar from water and carbon dioxide in the air using
chlorophyl-containing cells exposed to light.
A thickened portion of the stem of many
orchids functioning as a water and food storage device.
An unbranched inflorescence of stalked flowers.
A root-bearing stem of sympodial orchids that progressively sends
up leafy shoots.
An unbranched inflorescence with one flower.
A modified leaf that encloses an emerging inflorescence or leaf.
A kind of plant that is distinct from other plants.
An unbranched inflorescence of unstalked flowers.
A branch that grows horizontally above the medium
and produces roots and shoots at the nodes.
The breathing pores on the surface of a plant's
Orchids which grow laterally and produce leafy
growths along a rhizome
Growing on the ground and supported by soil.
Having one leaf.
The thick sponge-like covering of the roots of epiphytic orchids
which helps prevent water loss and aids in absorption.
A type of infectious agent, much smaller than common
microorganisms, several forms of which affect certain kinds of orchids.