Variation in summer dormancy in the lilioid geophyte Burchardia umbellata (Colchicaceae).

@article{Vaughton2001VariationIS,
  title={Variation in summer dormancy in the lilioid geophyte Burchardia umbellata (Colchicaceae).},
  author={Glenda V. Vaughton and Maitland Ramsey},
  journal={American journal of botany},
  year={2001},
  volume={88 7},
  pages={1223-9}
}
Plant dormancy is a form of phenotypic plasticity that minimizes exposure to seasonally stressful conditions. We examined variation in summer dormancy in two highland and two lowland populations of the lilioid geophyte Burchardia umbellata to test the prediction that facultative dormancy is advantageous in habitats with variable summer conditions. Consistent with this prediction fewer highland plants than lowland plants became dormant under wet common garden conditions. Also, significant among… CONTINUE READING