| Hybrid |
| The offspring of a cross between two species, two hybrids or one species and one hybrid. |
Last Updated: 04-23-2006 @ 05:01 PM Submitted By: Oscarman
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| Hydroponics |
| Literally, "water work": a technique of growing plants in a sterile medium (or no medium at all) and flooding the roots periodically with a nutrient solution. |
Last Updated: 08-02-2006 @ 12:11 PM Submitted By: Tindomul1of9
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| Inflorescence |
| The portion of the plant devoted to and including the flowers. |
Last Updated: 04-23-2006 @ 05:01 PM Submitted By: Oscarman
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| Intergeneric |
| A hybrid between members of two or more genera. |
Last Updated: 04-23-2006 @ 05:01 PM Submitted By: Oscarman
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| JC/AOS |
Judges' Commendation
Given for distinctive characteristics that the judges unanimously feel should be recognized but cannot be scored in the customary ways. |
Last Updated: 07-07-2010 @ 01:10 PM Submitted By: Oscarman
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| Keiki |
(KAY-key)
Hawaiian word for baby. A keiki is a genetically identical plant produced asexually by an orchid plant. Most commonly, keikis are produced on orchid genera such as Dendrobium, Phalaenopsis and Vanda. Ocassionally a keiki will bloom while still attached to the mother plant.
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Last Updated: 07-24-2006 @ 10:47 AM Submitted By: Oscarman
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| Labellum |
Part of an orchid flower which serves to attract insects that will pollinate the flower. The labellum is a modified petal and can be distinguished from the other petals and from the sepals by its large size and its often irregular shape. It is not unusual for the other two petals of an orchid flower to look like the sepals, so that the labellum stands out as distinct.
Also see Lip.
http://www.orchidboard.com/community/gallery/data/506/medium/Part_of_Flower.jpg] [/url] |
Last Updated: 07-23-2015 @ 11:57 PM Submitted By: Oscarman
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| LECA |
Lightweight Expanded Clay Aggregate
Used as potting media and terrarium substrates. Brand names include Hydroton, Hydrocorn, PrimeAgra.
It is made by heating clay to around 1,200 °C (2,190 °F) in a rotary kiln. The yielding gases expand the clay by thousands of small bubbles forming during heating producing a honeycomb structure.
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Last Updated: 05-28-2015 @ 12:42 PM Submitted By: AnonYMouse
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| Lip |
A modified petal which has evolved to attract pollinators; it also acts as a landing platform for insects during pollination.
Also see Labellum.
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Last Updated: 07-23-2015 @ 11:57 PM Submitted By: Oscarman
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| Lithophyte |
(lith-oh-Fight)
Term used to describe any plant that grows attached to a rock or cliff. |
Last Updated: 04-27-2006 @ 10:59 PM Submitted By: Oscarman
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| Lumen |
| A measurement of light output; relative to human perception which refers to the amount of light emitted by one candle that falls on one square foot of surface located at a distance of one foot from the candle. |
Last Updated: 07-20-2006 @ 11:18 PM Submitted By: Oscarman
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| Maculate |
| Spotted or blotched. |
Last Updated: 01-31-2013 @ 01:50 AM Submitted By: Oscarman
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| Marmoration |
(Mar-mo-ra-tion)
A covering or incrusting with marble; a casing of marble; a variegating so as to resemble marble. |
Last Updated: 10-25-2008 @ 02:51 AM Submitted By: Oscarman
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| Maudiae |
| A color type often used to describe paphiopedilum orchids which display flowers of green and white. |
Last Updated: 01-18-2013 @ 11:28 AM Submitted By: Oscarman
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| Mericlone |
(mer-i-KLOHN)
A plant derived from tissue culture that is identical to its parent. |
Last Updated: 10-12-2008 @ 01:41 AM Submitted By: Oscarman
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| Meristem |
(MER-i-stem)
Undifferentiated tissue, usually from a growing point, which is capable of developing into specialized tissue, used in mass propagation of orchids. |
Last Updated: 10-12-2008 @ 02:09 AM Submitted By: Oscarman
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| MH (Metal Halide) |
| A high intensity discharge (HID) lamp in which the light is produced by arcing electricity through a mixture of metal halides. The light produced by metal halide lamps is in the white-blue spectrum, which encourages vegetative growth and bushiness, while discouraging upward growth. |
Last Updated: 07-20-2006 @ 11:11 PM Submitted By: Oscarman
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| Microclimate |
| A climate created in a small area to suit specific plant needs such as elevated humidity or lowered temperatures. |
Last Updated: 04-27-2006 @ 11:01 PM Submitted By: Oscarman
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| Monopodial |
(mon-oh-POH-dee-al)
One of the two forms of orchid vegetative growth (the other is Sympodial), wherein a single vegetative shoot grows continually upward from the crown, such as in the growth of Phalaenopsis orchids. |
Last Updated: 04-27-2006 @ 11:01 PM Submitted By: Oscarman
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| Mule Ear |
Term used to describe a type of growth habit common in the Oncidium alliance.
Orchids which are characterized by the presence of thick, fleshy leaves and which is suited to growth in areas of high light. There may be a small pseudobulb at the base of the leaf.
The thick fleshy leaves of a "mule ear" oncidium serve the function of pseudobulbs. |
Last Updated: 06-21-2014 @ 02:47 PM Submitted By: Oscarman
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