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Many orchids, including Angraecum sesquipedale, are pollinated by nocturnal butterflies and, as a result, tend to have light-colored or nearly white flowers that emit fragrance in the evening or night. Other examples of such orchids include Bonatea speciosa, Habenaria epipactidea, species in the genus Satyrium, Disa cooperi and D. ophrydea. [12]
Cypripedium candidum, known as the small white lady's slipper or white lady's slipper, is a rare orchid of the genus Cypripedium. It is native to eastern North America across the northern United States and southern Canada .
Most orchids have waxy pollinia. These are connected to one or two elongate stipes, [clarification needed] [3] which in turn are attached to a sticky viscidium, a disc-shaped structure that sticks to a visiting insect. [2] Some orchid genera have mealy pollinia. These are tapering into a caudicle (stalk), attached to the viscidium.
Honeydew is a sugar-rich sticky liquid, secreted by aphids, some scale insects, and many other true bugs and some other insects as they feed on plant sap. When their mouthpart penetrates the phloem , the sugary, high-pressure liquid is forced out of the anus of the insects, allowing them to rapidly process the large volume of sap required to ...
The upper portion of the inflorescence has a series of white, yellowish, or rusty urn-shaped flowers that face downward. [9] Each flower may have five sepals surrounding the base of the flower, [6] which measure 4–6 millimeters long and are 2—3 millimeters wide. [4] The fused petals (the corolla) measure 6–9 millimeters in length. [6]
Dendrobium affine, commonly known as the white butterfly orchid, [2] malakmalak or matngala in Australian Aboriginal languages [3] is an epiphytic orchid in the family Orchidaceae. It has cylindrical pseudobulbs , each with up to ten leaves and flowering stems with up to twenty white flowers with yellow or purple markings on the labellum .
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Platanthera leucophaea, commonly known as the prairie white fringed orchid [6] or eastern prairie fringed orchid, is a rare species of orchid native to North America. It is a federally threatened species, [ 7 ] protected since October 30, 1989 under the Endangered Species Act of 1973 . [ 8 ]