Definition that contains poisonous plant
- periwinkle chiefly trailing poisonous plants with blue flowers
- aconitum genus of poisonous plants of temperate regions of northern hemisphere with a vaulted and enlarged petal
- aconite any of various usually poisonous plants of the genus Aconitum having tuberous roots and palmately lobed leaves and blue or white flowers
- genus aconitum genus of poisonous plants of temperate regions of northern hemisphere with a vaulted and enlarged petal
- genus zigadenus genus of mostly North American poisonous plants; sometimes placed in family Melanthiaceae
- zigadenus genus of mostly North American poisonous plants; sometimes placed in family Melanthiaceae