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Lycium ruthenicum (Chinese: 黑果枸杞; pinyin: hei guo gou qi), is a flowering plant commonly known as Russian box thorn in the West. [1] It is a species of flowering plant in the nightshade family which can be found in Central Asia, southern part of Russia, throughout Northwest China, [2] Northern India and Pakistan. [3]
The basic unit was the Russian ell, called the arshin, which came into use in the 16th century. It was standardized by Peter the Great in the 18th century to measure exactly twenty-eight English inches (71.12 cm). Thus, 80 vershoks = 20 pyad's = 5 arshins = 140 English inches (355.60 cm). [2]
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 specifies commemorates Baron Milius , once Governor of Réunion, who introduced the species to France in 1821.
Ennomos autumnaria, the large thorn, is a moth of the family Geometridae. The species can be found in Western and Central Europe East to Russia and Siberia. The wingspan is 40–50 mm. The length of the forewings is 21–28 mm. The ground colour is brown, red-brown or yellow-brown to yellowish beige.
Euphorbia as a small tree: Euphorbia dendroides. Euphorbia is a large and diverse genus of flowering plants, commonly called spurge, in the family Euphorbiaceae.. Euphorbias range from tiny annual plants to large and long-lived trees, [2] with perhaps the tallest being Euphorbia ampliphylla at 30 m (98 ft) or more.
In moist and rainy areas (the non-black earth) the basic strip-units were formed as a ridge-and-furrow system. As in medieval western Europe, perennial ploughing had gradually produced a `corrugated' landscape of raised ridges or selions with ditches or furrows between them. The furrows acted as drainage.
Vachellia is a genus of flowering plants in the legume family, Fabaceae, commonly known as thorn trees or acacias. It belongs to the subfamily Mimosoideae . Its species were considered members of genus Acacia until 2009.
Kali tragus, the Russian thistle Leaves of a mature plant coming into flower, each leaf with one flower and two bracts in its axil. Salsola tragus is an annual forb.In habit, the young plant is erect, but it grows into a rounded clump of branched, tangled stems, each one up to about a metre long.