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Contains an enzyme which destroys vitamin B 1, leading to brain damage in sheep and horses [10] Melilotus: Sweetclover Includes Melilotus alba (white sweetclover) and M. officinalis (yellow sweetclover), can be grazed as a forage crop, but mold or spoilage converts coumarins to toxic dicumarol, thus moldy hay or silage is dangerous [5] Nerium ...
Cascabela thevetia (synonym Thevetia peruviana) is a poisonous plant native throughout Mexico and in Central America, and cultivated widely as an ornamental. It is a relative of Nerium oleander , giving it a common name yellow oleander .
The plant generally gets more toxic with maturity, with the exception of the berries (which have significant toxicity even while green). [165] Pieris japonica: Japanese pieris Ericaceae: The plant is poisonous if consumed by people or animals. [166] Plumeria spp. frangipani Apocynaceae: Contact with the milky latex may irritate eyes and skin ...
In late summer and fall, one plant can produce as many as 100 yellow flower heads in a branching array. Each head has yellow 11–21 ray florets surrounding sometimes as many as 800 yellow disc florets. [7] [8] Leaves are dark green, alternate, and lance-shaped. The Latin specific epithet autumnale is in reference to the plant's autumn ...
The yellow flowers are in a type of clog shape, containing three asymmetrical petals. These pods rattle when mature and they contain toxic alkaloids. These dehiscent pods are most likely a defense mechanism to assure that animals do not commonly ingest these plants, as doing so is poisonous to a number of them.
Verbesina occidentalis has yellow disk flowers. The number of ray flowers will range anywhere from two to five petals. The most common petal number is two. [3] The flowers are sparse and are not evenly arranged around the head of the flower. This makes the plant looks like it is uneven or off balance. A distinctive feature of the plant is its ...
It has small, round, yellow-green or green-striped fruit with soft spines, small yellow flowers and deeply lobed, light green leaves. The melon occurs in disturbed soil and cleared or bare areas, and thrives on summer moisture. [3] C. myriocarpus fruit. The fruit and foliage are toxic due to the presence of cucurbitacin.
Verbesina alternifolia is a species of flowering plant in the family Asteraceae. It is commonly known as wingstem [2] or yellow ironweed. [3] It is native to North America. [2] The name "wingstem" refers to the petioles of the leaves, which run down the stem and form raised ridges or "wings" along it. [4]