Drosera filiformis - Threadleaf Sundew

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Drosera filiformis, Threadleaf Sundew, is a native herbaceous plant that is best known because it is carnivorous. It gets it's nutrition from insects and photosynthesis. It blooms in the summer.

Flowers

The pinkish flowers are about 0.5 inch across. It has 5 petals, 5 stamens, and 5 sepals. There are usually 6 styles.

Drosera filiformis - Threadleaf Sundew - Flower Drosera filiformis - Threadleaf Sundew - Flower


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Flowering Progression

Starting from the left photo:

Drosera filiformis - Threadleaf Sundew -  lower leaf, linear Drosera filiformis - Threadleaf Sundew -  upper leaf, projections at base Drosera filiformis - Threadleaf Sundew -  upper leaf, projections at base Drosera filiformis - Threadleaf Sundew -  upper leaf, projections at base


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Leaves

The plant gets its name from the long narrow thread-like leaves. The leaves are basal, growing from the base, and are erect and uncurl as it grows. The leaves are covered with hairs with tips with reddish glands. The glands secrete a sticky substance that trap the insects which are then digested by the plant. The second photo is a close up of the leaf.

Drosera filiformis - Threadleaf Sundew -  lower leaf, linear Drosera filiformis - Threadleaf Sundew -  upper leaf, projections at base


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Plant & Habitat

The plant grows in bogs.

Drosera filiformis - Threadleaf Sundew plant


Photos by H & M Ling, June & July 2015 in the pinebarrens, NJ

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Additional information

Additional information / online references:

The USDA website shows its limited distribution: http://plants.usda.gov/core/profile?symbol=DRFI

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