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Pyracantha (from Greek pyr "fire" and akanthos "thorn", hence firethorn) [1] is a genus of large, thorny evergreen shrubs in the family Rosaceae, with common names firethorn or pyracantha. They are native to an area extending from Southwest Europe east to Southeast Asia. They resemble and are related to Cotoneaster, but have serrated leaf ...
Crown-of-thorns starfish. The crown-of-thorns starfish (frequently abbreviated to COTS), [1] Acanthaster planci, is a large starfish that preys upon hard, or stony, coral polyps (Scleractinia). The crown-of-thorns starfish receives its name from venomous thorn-like spines that cover its upper surface, resembling the biblical crown of thorns.
Binomial name. Euphorbia milii. Des Moul. Euphorbia milii, the crown of thorns, Christ plant, or Christ's thorn, is a species of flowering plant in the spurge family Euphorbiaceae, native to Madagascar. The species name commemorates Baron Milius, once Governor of Réunion, who introduced the species to France in 1821. [3]
Inland Customs Line. The Inland Customs Line, incorporating the Great Hedge of India (or Indian Salt Hedge[1]), was a customs barrier built by the British colonial rulers of India to prevent smuggling of salt from coastal regions in order to avoid the substantial salt tax. The customs line was begun under the East India Company and continued ...
Plant defense against herbivory or host-plant resistance (HPR) is a range of adaptations evolved by plants which improve their survival and reproduction by reducing the impact of herbivores. Many plants produce secondary metabolites, known as allelochemicals, that influence the behavior, growth, or survival of herbivores.
Hippophae is the genus of sea buckthorns, deciduous shrubs in the family Elaeagnaceae. The name sea buckthorn may be hyphenated [1] to avoid confusion with the unrelated true buckthorns (Rhamnus, family Rhamnaceae). It is also referred to as sandthorn, sallowthorn, [2] or seaberry. [3] It produces orange-yellow berries, which have been used ...