An online resource based on the award-winning nature guide

Flowering Plants

Calopogon Flowering

6-26-15  calopogon 113A visit to a bog or marshy area at this time of year may well reward you with the sight of a striking orchid known as Calopogon or Grass-Pink (Calopogon tuberosus). Immediately noticeable are the fine, white “hairs” on the upper lip of the flower, which are thought to act as a “pseudopollen” lure, attracting native, recently-emerged bumblebees. The bees, expecting a reward of nectar and/or pollen, land on the hairs. At this point, the hinged labellum (part of flower that attracts insects and acts as a landing platform) swings down under the weight of the bee and positions the bee on the column (fused male and female structures located directly beneath the labellum), where pollen can be placed on its back. If the bee already carries a load of pollen, it will contact the stigma and thus pollinate the plant.

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Showy Lady’s Slippers Flowering

showy2  231The month of June can’t go by without a mention of Showy Lady’s Slippers. Just fifty years ago, this orchid could be found over most of the Northeast. Habitat loss and an exploding deer population are considered major factors in Showy Lady’s Slipper’s decline, making it endangered or on the verge of extinction in many areas. Although rare, it is still locally abundant, particularly in fens (peat wetlands that get their water from rainfall and surface water).

As with Pink and Yellow Lady’s Slippers, one of Showy Lady’s Slipper’s three petals is greatly modified into a large inflated pouch called the labellum . (The pouch’s color can vary widely from year to year, depending on the ambient temperature. Cooler conditions appear to produce more intense color.) The petals on either side of the pouch attract pollinators with an alluring odor, but the insects that enter into the pouch are in for a disappointment, as lady’s slippers produce little or no nectar. The structure and positioning of the pistil and stamens are such that they encourage cross-pollination to take place, which is crucial, as lady’s slippers rarely self-pollinate.

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Ragged Robin Flowering

6-12  ragged robin 046Ragged Robin, Lychnis flos-cuculi, is native to Europe and has become so abundant in northern United States that it borders on being considered an invasive plant. Found usually in wet areas such as marshes, fens and wet meadows, this perennial can cover an area as large as an acre. When flowering, Ragged Robin is very noticeable — not only to humans, but also to the many insects that pollinate it. Bees and butterflies, especially, flock to stands of this plant in order to obtain its nectar and white pollen. (If you suck the base of the flower, you will soon detect the sweetness that attracts pollinators.)

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Indian Cucumber-root Flowering

6-10-15 Indian cucumber-root 150Indian Cucumber Root is a member of the Lily family that grows to be one to two feet tall and has one or more whorls (several leaves coming off stem at same point) of leaves. Plants that are going to flower usually put out two tiers of leaves, with their distinctive flowers arising from the second tier. The flowers nod down below the leaves, while the dark purple fruit that forms later in the summer rises above them. As its name implies, the small root tuber of this wildflower is edible, and resembles a cucumber in both texture and taste, but should be harvested very sparingly.

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Pitcher Plants Flowering

6-5-15  pitcher plant 007The flowers of Pitcher Plants are just as unusual and fascinating as their insect-luring leaves. These plants can be found blossoming during a two to three week period in the spring (late May-June). Although the maroon petals hanging down typically prevent you from seeing the structure of the flower, it more or less resembles an upside-down umbrella. Within one to two days of the flower opening, the stigmas become receptive and the anthers shed their pollen, which falls into the umbrella-like tray where insects travel on their way to the stigmas. Ants are almost invariably present in the flowers, attracted by the abundant nectar, but they are probably of little importance as pollinators. Bees and flies appear to be the primary pollinators of Pitcher Plants.

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Fringed Polygala Flowering

5-8-12 fringed polygala IMG_7780Thank you so much for all of your warm, welcoming emails regarding my first and only grandchild. Naturally Curious blog posts may be intermittent for the next week or so, but eventually will resume five posts a week.

Fringed Polygala looks a bit like a miniature orchid, but it is not — it is in the Milkwort family. The structure of its ¾-inch bright magenta-pink blossoms is well-suited for its bumblebee pollinators. The bee lands on the pink fringe at the front of the flower and its weight triggers the white “keel” to drop down. A slit at the keel’s top opens, exposing the reproductive parts of the flower. Pollen from the stamens is rubbed onto the bee’s hairs while it probes deeply into the base of the flower for nectar, while pollen from a previously visited Fringed Polygala is scraped off onto the stigma, where it needs to be in order for fertilization to take place.

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Beaked Hazelnut Flowering

beaked hazelnut 400The blossoms of many shrubs are not necessarily big, flashy, strong-scented flowers, especially if they are wind-pollinated and have no need to attract insects. Beaked Hazelnut’s flowers are now blooming – pendant male catkins loaded with pollen and ¼ “- diameter female flowers. The female blossoms should be examined through a hand lens – they are exquisite little maroon flowers with magenta highlights and pistils that curl this way and that, in hopes of catching pollen grains. One advantage to flowering now, before leaves are out, is that the wind-dispersed pollen has fewer obstructions.

Naturally Curious is supported by donations. If you choose to contribute, you may go to http://www.naturallycuriouswithmaryholland.wordpress.com and click on the yellow “donate” button.


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