Research on the biology of Echinacea pallida Nutt. and Echinacea purpurea (L.) Moench (II)
1991
MUNTEAN, Leon Sorin | SALONTAI, Alexandru | Botez, Const. | Tămaș, Mircea | CERNEA, Solovastru | MORAR, Gavrila | VAIDA, Felicia
In the second year of vegetation, after emergence, Echinacea pallida Nutt. and Echinacea purpurea (L.) Moench, form a leaf rosette and the first floral shoots appear in June. Plant vigour is significantly higher in Echinacea purpurea than in E. pallida, saved for roots. E. pallida is tetraploid, 2n=4x=44 chromosomes, of small size, between 5,87 and 3,04 microns, relatively easy to individualize by their shape and size.
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