Biologist: We know the following things about plant X. Specimens with fuzzy seeds always have long stems but never have white flowers. Specimens with curled leaves always have white flowers, and specimens with thorny seedpods always have curled leaves. A specimen of plant X in my garden has a long stem and curled leaves.
It lacks both white flowers and fuzzy seeds can be properly inferred about the specimen of plant X in the biologist's garden from the biologist's statements.