Germination ecology of the facultative biennial Arabis laevigata variety laevigata

C. T. Bloom, C. C. Baskin, J. M. Baskin

Research output: Contribution to journalArticlepeer-review

17 Scopus citations


This facultative biennial grows mostly in rocky woodlands in E North America, and its seeds have non-deep physiological dormancy. Seeds mature in June, and dispersal lasts for up to 19 mo. Germination occurs in March and April; seeds that fail to germinate in spring become part of a persistent seed bank. Freshly matured seeds were either dormant or conditionally dormant; they germinated to a maximum of 38%, at 30/15°C in light. Seeds became nondormant during stratification at 5°C. Freshly matured, dormant seeds buried in soil in a nonheated greenhouse became nondormant during winter and re-entered dormancy or conditional dormancy during summer, which was broken the following winter. -from Authors

Original languageEnglish
Pages (from-to)214-230
Number of pages17
JournalAmerican Midland Naturalist
Issue number2
StatePublished - 1990

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics


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