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Orchid Terms You Should Know
Bulbophyllum Elizabeth Ann 'Buckleberry' FCC/AOS
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 on each growth, usually atop a pseudobulb.
The tiny, rounded, column-like extension at the base of the lip. This is the central reproductive organ of the orchid flower and contains both male (pollinia) and female (stigma) parts.
A plant growing upon another plant, such as on a tree.
The flowering part of a plant; the flower stem.
A small plantlet growing from a node on a flower stem or pseudobulb. From the Hawaiian word for child.
A petal that has been modified to look different from the other petals. The lip is often the most distinctive part of an orchid flower.
A plant growing on or among rocks.
The material that an orchid is planted in, usually not soil but an open, free-draining substance such as bark, Perlite, etc.
A plant derived from tissue culture that is genetically identical to its parent.
The actively growing tissue emanating from the ventral growth point of a plant. Meristematic tissue is used for artificial cloning – the production of mericlones.
Vertical growth habit where leaves emerge from a single stem growing upward. Examples: Phalaenopsis, Vanda.
A joint on a stem or pseudobulb from which a leaf or growth emerges.
Little waxy bundles of pollen.
A thickened portion of the stem, resembling a bulb, of many orchids. The pseudobulb functions as a water and food storage device.
The outer segments of an orchid flower, usually but not always similar to petals.
A flower stalk.
Horizontal growth habit where new growths emerge from the base of old growths. Examples: Cattleya, Paphiopedilum.
Growing in the ground.
The inner portion of a tubular orchid lip, often differently colored.
Having one leaf on each growth, usually at the top of a pseudobulb.
Term used when a leaf is turning yellow. It can be due to normal aging of the leaf, or to disease, or it can be a symptom of too much light.
Sources: New Hampshire Orchid Society (
), American Orchid Society (www.aos.org)
Our 66th Annual Hilo Orchid Society Show and Sale was held July 13-15, 2018.
for a gallery of photos from the show.
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