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Keywords:

  • andromonoecy;
  • clonal growth;
  • mast seeding;
  • monocarpy;
  • self-incompatibility

Abstract

Veratrum album subsp. oxysepalum is an andromonoecious perennial woodland herb. In the present study, to clarify the essential life-history characteristics of this species, sexual reproduction was examined and breeding experiments were carried out along with observations of floral visitors in the field. The results of the breeding experiments showed that this species has a high level of self-incompatibility. As various Coleoptera and Diptera visited the flowers, the seed production of V. album subsp. oxysepalum possibly depends on outcrossing pollination by insects.