spring ephemeral

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spring ephemeral

n.
Any of various woodland wildflowers that bloom in the early spring for only a few weeks.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
The use of ephemeral plant parts on small host plants: how Depressaria leptotaeniae (Lepidoptera: Oecophoridae) feeds on Lomatium dissectum (Umbelliferae).
Once a suitable pair of shrubs was identified, the number and size (height and diameter) of the spring-flowering ephemeral plant taxa within a square 0.25 [m.sup.2] quadrat under the S side of the canopy of both plants was measured.
Ephemeral plants are an important component of the vegetation in desert ecosystems, and their germination and growth are especially sensitive to changes in water and temperature [1].
In spring, ephemeral plants such as Carex physodes grew well with a density of 12.28 ind.