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Trillium grandiflorum in the foreground and the smaller Thalictrum thalictroides in the background are both spring ephemerals of North American deciduous forests. An ephemeral plant is a plant with a very short life cycle or very short period of active growth, often one that grows only during brief periods when conditions are favorable.
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As a spring ephemeral plant, its life cycle exploits the deciduous woodland canopy, flowering at the time of maximum sunlight reaching the forest floor, then completely dying back to its underground tuber after flowering.
Plants whose life cycle is significantly less than the time of a growing season are deemed ephemeral. [37] Winter annuals, Epilobium and Senecio vulgaris are examples of ephemeral plants. [37] [38] The conditions for ephemeral plants are markedly present in deserts. [38] Animals can be ephemeral, with brine shrimp and the mayfly being examples.
Mertensia virginica (common names Virginia bluebells, [1] Virginia cowslip, [2] lungwort oysterleaf, Roanoke bells) is a spring ephemeral plant in the Boraginaceae (borage) family with bell-shaped sky-blue flowers, native to eastern North America.
Corydalis solida, fumewort or bird-in-a-bush, [1] is a species of flowering plant in the family Papaveraceae, native to moist, shady habitats in northern Europe and Asia. Growing to 25 cm (10 in), it is a spring ephemeral, with foliage that appears in spring and dies down to its tuberous rootstock in summer. It is cultivated for its deeply ...
It is an example of a spring ephemeral, a plant whose life-cycle is synchronized with that of the deciduous woodland which it favours. White trillium often occurs in dense drifts of many individuals. The G. Richard Thompson Wildlife Management Area in the Blue Ridge Mountains is renowned for an extensive stand of white trillium that blooms each ...
Corydalis cava is a species of flowering plant in the family Papaveraceae, native to moist, shady, woodland habitats throughout most of mainland Europe, although commonest in central and southeast Europe. Its range extends from Spain in the west to Ukraine, Belarus and the Caucasus in the east and as far north as Sweden.