Preformation, architectural complexity, and developmental flexibility in Acomastylis rossii (Rosaceae).

@article{Meloche2001PreformationAC,
  title={Preformation, architectural complexity, and developmental flexibility in Acomastylis rossii (Rosaceae).},
  author={C. G. Meloche and P. Diggle},
  journal={American journal of botany},
  year={2001},
  volume={88 6},
  pages={
          980-91
        }
}
The duration of preformation and the seasonal pattern of development were studied in the architecturally complex alpine perennial Acomastylis rossii. Each leaf and inflorescence requires 3 yr to progress from initiation through structural and functional maturity to senescence. As a consequence, three cohorts of preformed organs, initiated in successive years, are borne simultaneously by each individual plant. The oldest cohort matures immediately following snowmelt, after which no additional… Expand
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