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National Phenology Network National Phenology Network

Anemone patens Observations
(pasqueflower)

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Introduction to the NPN Native Species Observation Program
These beautiful wildflowers (also know as "prairie anemone") arise from woody roots and often form colonies. They grow in prairies and in dry, open woods, preferring sandy soil and sunny areas. Basal leaves are gray-green in color, and divided into narrow lobes. The basal leaves appear after the flower fades. Each flower is 4 cm in diameter, with five-to-seven, pale blue to purple, petal-like sepals. When folded, the outer surfaces of the sepals appear covered in white woolly hairs. The flowers are open during the day but close at night. After the flower fades and the sepals fall off, a shaggy cluster of seeds develops.
Source: Plantwatch Canada

You should record when two well-defined phenological events occur for pasqueflower:

  1. First bloom (FB) First select an approximately 1 by 1 meter plot for observation, and then record the date when first flowers are open in at least three places on the observed plants.

  2. Mid bloom (MB) Within the same 1 by 1 meter plot used for first bloom, this is the date when 50% of the flowers are open on the observed plants.

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Report by email if any plant appears in poor health.




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Last Updated: December 10, 2004

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