Zigadenus


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Zigadenus, Zygadenus

North American and African genus of the Liliaceae family. There are many species, some of them toxic some not. The toxins in the plants are steroid alkaloids of the veratrum group. Poisoning is characterized by salivation, vomiting, tachycardia, weakness, prostration and dyspnea. Death may occur within a few hours or not for a number of days. The list of toxic plants includes Z. chlorantus, Z. densus, Z. elegans, Z. fremontii, Z. glaberimus, Z. glaucus, Z. gramineus, Z. leimanthoides, Z. nuttallii, Z. paniculatus, Z. venenosus. Called also death camus.
References in periodicals archive ?
Farm between 9-13 May, in locations closely resembling natural Zigadenus habitat and at least 50 m from each other.
This suggests that the evolution of inflorescence size in Zigadenus is at least partly driven by selection for increased male success, assuming that genetic variation for flower number exists in this species.
pollen discounting) might have been artificially high for the same reason: the residence times of Andrena pollinators on Zigadenus inflorescences are known to increase with inflorescence size (Emms 1993c).
Andromonoecy in Zigadenus paniculatus (Liliaceae): spatial and temporal patterns of sex allocation.
The adaptive significance of andromonoecy in Zigadenus paniculatus (Liliaceae).