Ad
related to: white fuzzy growth on orchids plants problems pictures and information pdf
Search results
Results From The WOW.Com Content Network
White mold affects a wide range of hosts and causes sclerotinia stem rot. It is known to infect 408 plant species. As a nonspecific plant pathogen, [3] diverse host range and ability to infect plants at any stage of growth makes white mold a very serious disease. The fungus can survive on infected tissues, in the soil, and on living plants.
It is similar to other orchids in the Dactylorhiza maculata group. D. maculata ssp. maculata is distinguished by having the lip less deeply trilobed, while D. maculata subsp. saccifera has one spur large and saccular (sac-shaped) and the bracts of the inflorescence as long as or longer than the flowers.
Eriochilus dilatatus, commonly known as the white bunny orchid, [2] is a plant in the orchid family Orchidaceae and is endemic to Western Australia. It is a common and widespread, slender ground orchid with a single leaf and up to fifteen small white and greenish flowers with reddish or brownish markings and a hairy labellum .
Woolly aphids generally are not much cause for alarm, although they can cause rather unsightly damage to plants, which is particularly a problem for growers of ornamental plants. Symptoms caused by their feeding on a plant include twisted and curled leaves, yellowed foliage, poor plant growth, low plant vigor, and branch dieback. [citation needed]
Chiloschista phyllorhiza, commonly known as the white starfish orchid, [2] is a species of leafless epiphytic or lithophytic orchid that forms small clumps with many radiating, flattened green roots. A large number of short-lived, crystalline white, star-shaped flowers with a yellow labellum are arranged along thin, arching flowering stems.
The orchid family is one of the largest flowering plant families in the world. Orchids can be found on every continent except Antarctica, from the steamy jungles of Asia to the dry deserts of ...
Cephalanthera austiniae is a species of orchid known as the phantom orchid and snow orchid [2] because the entire plant is white except for a few yellow markings on the flowers. The orchid is native to the western United States ( California , Oregon , Washington and Idaho ), and to British Columbia , Canada.
The petals are up to 8 centimetres (3.1 inches) in diameter and snow white with a yellow spot on the lip. This orchid blooms in the late winter, when the snow begins to melt. Its leaves are deep green and narrow, between 10 and 15 centimeters (3.9 and 5.9 inches) long. Bulbs are the size of walnuts.