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Open field cultivation and phenotypic characteristics of D. spiculifolius. (A–C) Open field cultivation of D. spiculifolius in a dry summer (A), cold winter (B) and autumn (C); (D,E) Phenotype of D. spiculifolius (D) and its flower type (E). (F) Seeds of D. spiculifolius; (G–I) Seed germination (G) and seedling growth (H,I) of D. spiculifolius.
