science

Botanic Notables: Gardening on Mars

August 17, 2012
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While the Curiousity rover explores its landscape, research is underway on the first garden on Mars. After all, if we intend to spend more time away from Earth, we'll need our plants. Roses and tulips, perhaps, and especially edible vegetables, grains, and leaves.

Botanic Notables: Return of the American Chestnut

May 04, 2012
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In the late 1800s, when the American chestnut (Castanea dentata) reigned in Eastern forests, the tree was a symbol of national identity. Log cabins were built from its lumber, Christmas carols celebrated its nuts "roasting on an open fire," and the tree dominated the landscape. At the turn of the century, an estimated 4 billion American chestnut trees filled a quarter of forests in the Eastern United States.

Botanic Notables: Night Blooming Orchid

December 02, 2011
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Orchids are known for their curious behaviors and adaptations and with more than 25,000 species, the Orchidacae family exhibits a dizzying range of colors, shapes, and life cycles. Their enigmatic blossoms often seem to be synced with an inscrutable clock; some flower for months, while others open for only a few hours. Recently, a new species with an unusual blooming time was discovered: the Bulbophyllum nocturnum, the only known night-blooming orchid.

Botanic Notables: The Immortal Underground Forest

August 19, 2011
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In South Africa's coastal grasslands, to explore a forest is to walk along its canopy—indeed, it's the only way to observe an extraordinary group of so-called underground trees, where only the uppermost leaves and branches are visible. The rest of the tree is submerged below the deep sandy soil, creating a clonal network of underground "forests." By all appearances, the forests are merely low shrubs, which presents the philosophical riddle: if a tree falls and no one can see the forest, what of the forest?

Botanic Notables: The Bashful Plant

June 17, 2011
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Quietly trailing the soil with slender stems, Mimosa pudica is an unassuming herb. While it does not invite attention, it responds dramatically to the touch. At a light caress, its fern-like leaves will fold inward; a gentle thrust will collapse the petiole. Mimosa pudica (Bashful Plant) is the introvert of the garden, yet, with a coy choreography that is curiously beautiful, it is impossible not to touch, and has fascinated botanists for centuries.

Art + Botany: X-ray Photography

June 16, 2011
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More often than not, plant anatomy is the specialized purview of a trained botanist. Consider the poppy. What does the poppy's internal structure look like during seed maturation? Or the fern—how are the sporangia assembled, when examined from the perspective of the leaf?

Steven N. Meyers is not a botanist, but his photographs might suggest otherwise. Trained as a medical X-ray technologist, Meyers has applied radiography techniques to botanic specimens, capturing the details, and structural relationships of a plant that are otherwise unseen.

Botanic Notables: The Smallest Orchid

May 20, 2011
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The discovery of the world's smallest orchid is, fittingly, the story of an intrepid explorer, an enigmatic flower, and the curious luck that brought them together. Joining other small orchids in the Platystele genus, a blossom from this superlatively small species is just 2.1 mm wide from tip to tip, and its petals are one-cell thick—all but transparent. For years, the tiny flower eluded even the world's leading orchid hunter.

Botanic Superlatives: The Desert's Only Self-Watering Plant

April 28, 2011
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Among the valleys and foothills in Israel's Negev desert is a plant that can water itself, in a manner of speaking. A study of desert plants is a study of adaptive behaviors—the dry, hot climate demands it—but the desert rhubarb (Rheum palaestinum) is the only known desert-dwelling species to have evolved a self-irrigating mechanism.

DesertRhubarb

Links We Love 4/25/2011

April 25, 2011
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-A fascinating interview on Pruned, with Paige Johnson, the writer behind the blog Garden History Girl, about the forgotten history of atomic gardens, which were an attempt to find peaceful uses for atomic energy after WWII by radiating seeds and plants to create new mutations. [via kottke]

All About Roots

April 15, 2011
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See also: Supporting Your Roots

All gardeners set out to grow healthy plants, but they also face a stubborn barrier, a curtain beyond which eyesight ends and mystery begins: the surface of the soil. Below, plants root in darkness, and our ministrations above ground only sometimes seem to determine whether our charges will go belly up or thrive.

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