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Calophoma clematidina is a fungal plant pathogen and the most common cause of the disease clematis wilt affecting large-flowered varieties of Clematis. Symptoms of infection include leaf spotting, wilting of leaves, stems or the whole plant and internal blackening of the stem, often at soil level.
Clematis is a genus of about 380 species [2] [3] within the buttercup family, Ranunculaceae. [4] Their garden hybrids and cultivars have been popular among gardeners, [5] beginning with Clematis 'Jackmanii', a garden staple since 1862; more cultivars are being produced constantly.
Ranunculaceae contain protoanemonin, which is toxic to humans and animals. Contact with plant sap may cause inflammation and blistering of the skin, while ingestion can cause irritation of the mouth, vomiting, and diarrhea. [11] Other poisonous or toxic compounds, alkaloids and glycosides, are also common. [citation needed]
Clematis aristata is a popular hardy garden plant. It prefers a semi-shaded or shaded position and cool deep soils and will withstand heavy pruning. [5] It is a vigorous climber and may become a problem by smothering other plants. Propagation can be carried out from fresh seed and from cuttings of semi-hardened stems. [5]
Clematis terniflora (sweet autumn clematis, sweet autumn virginsbower) is a plant in the buttercup family, Ranunculaceae. It is native to northeastern Asia (China ...
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Hungry or thirsty horses are more likely to eat poisonous plants, as are those pastured on overgrazed lands. [5] Animals with mineral deficiencies due to poor diets will sometimes seek out poisonous plants. [6] Poisonous plants are more of a danger to livestock after wildfires, as they often regrow more quickly. [7]
Clematis paniculata is an evergreen woody high-climbing vine. [5] [6] It has a woody stem that is usually around 10 cm or more in diameter at the base. The leaves are dark and globous, sparsely hairy beneath. They have stout branchlets. [7] They have a leaf margin of toothed, entire or lobed near apex, though they are rarely ever profoundly ...