Justin Blachman
Costa Rica Portfolio

Poorman's Umbrella - Gunnera insignis

Physical Features
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The compelling plant is viewed with a thick stem, (around 12in or 30cm) leading to its renown overbearing, rought, heart-shaped leaves. These leaves can grow around 5 feet, providing an "umbrella" for the organisms under it.
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These leaves have acquired the adaptation of "drip" leaves which prevents water from collecting, encouraging the growth of molds and fungi.
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There are small flowers on this wonderous plant, as the plants provide branches reaching almost 3ft (1m) in length.

Flower blooming from Poorman's Umbrella plant.
Poorman's Umbrella and Costa Rica
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Living in the tropical rainforest, these plants perfer a habit ranging from elevations of 3,250ft and 8,500ft (1,000 and 2,600m). In these elevations, the plant prefers wet forests, in openareas or bare ridgelines.
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Although the plant is occasionally found in areas of the United States, it requires abundant amounts of watering to simulate its preferred environment.
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Little is known about how this plant spreads its population (by seeds) but there is an educated guess that it is wind pollinated.

Interesting Adaptations
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Due to the depleted amounts of topsoil in the Costa Rican rainforest, Poorman's Umbrella has adapted and adopted a mutualis relation ship with a bacteria (Nostoc punctiforme). The bacteria gives the plant nitrogen, and in return, Poorman's Umbrella gives the bacteria nutrients.
The small, single-seeded fruit of Poorman's Umbrella.