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Potato virus U (PVU) is a pathogenic plant virus discovered in Peru in 1983. [1] PVU characteristically causes leaf malformation and necrotic spotting. Transmitted by mechanical inoculation—including seed-to-seed contact and grafting—PVU is also said to be transferred by nematodes of the genus Longidorus .
The plant is native to Central America in Guatemala and Belize, and adjacent parts of Mexico, but has become an invasive weed in other areas. It was also naturalized in large parts of the tropics and in the southern United States. Its habitat is pastures, moist forest clearings and bushes up to altitudes of 1,000 metres (3,300 ft).
Armeria maritima, the thrift, sea thrift or sea pink, is a species of flowering plant in the family Plumbaginaceae. It is a compact evergreen perennial which grows in low clumps and sends up long stems that support globes of bright pink flowers. In some cases purple, white or red flowers also occur.
That work saved about 200 Braunton’s milkvetch plants — almost all of which have now likely been torched in the wildfires that consumed Topanga Canyon, along with nearly 24,000 acres (37 ...
Eutrochium maculatum, the spotted joe-pyeweed, [2] is a North American species of flowering plant in the family Asteraceae. It is widespread through much of the United States and Canada. [3] It is the only species of the genus Eutrochium found west of the Great Plains. [4] This herbaceous perennial sometimes grows as high as 2 m (6 ft 7 in ...
Arum italicum is a species of flowering herbaceous perennial plant in the family Araceae, also known as Italian arum and Italian lords-and-ladies. [2] It is native to the British Isles [3] and much of the Mediterranean region, the Caucasus, Canary Islands, Madeira and northern Africa. It is also naturalized in Belgium, the Netherlands, Austria ...
This plant prefers habitats in swamp margins, moist woods and open areas with full to partial sunlight or high, open shade. [ 5 ] [ 6 ] Soils in which Rhododendron periclymenoides grows best are typically acidic , rich in humus and retains moisture but should still have some drainage. [ 6 ]
Zamioculcas is a genus of flowering plants in the family Araceae, containing the single species Zamioculcas zamiifolia. [2] It is a tropical herbaceous perennial plant, and is native to eastern Africa, including Kenya, KwaZulu-Natal, Malawi, Mozambique, Tanzania, and Zimbabwe. [2]