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White mold is the most common pathogen that affects sunflower and has been found to cause reduction in yield throughout the world including the United States, northern Europe, Great Britain and Russia. [6] Sclerotinia stem rot (or 'white stem rot', [7]) causes large yield losses in temperate climates, especially during cool and moist growing ...
Pterostylis pedunculata, commonly known as the upright maroonhood, is a species of orchid endemic to south-eastern Australia.Flowering plants have a rosette of two to six stalked leaves and a single green flower which is white near its base and tinged with reddish brown to black and with a gap between the petals and lateral sepals.
Platanthera leucophaea, commonly known as the prairie white fringed orchid [6] or eastern prairie fringed orchid, is a rare species of orchid native to North America. It is a federally threatened species, [ 7 ] protected since October 30, 1989 under the Endangered Species Act of 1973 . [ 8 ]
Moth orchids, also called phalaenopsis orchids, which are commonly sold by florists and big box stores, can last for a couple of months, says Justin Kondrat, lead horticulturist at the Smithsonian ...
Phaius tankervilleae var. australis, also known as the common swamp orchid, [2] southern swamp-orchid, swamp lily or island swamp-orchid, [3] is a species of orchid endemic to eastern Australia. It is an evergreen , terrestrial herb with large, crowded pseudobulbs , large pleated leaves and flowers that are reddish brown on the inside and white ...
Pterostylis curta has a rosette of between two and six egg-shaped to elliptic leaves, each leaf 20–100 mm (0.8–4 in) long and 10–30 mm (0.4–1 in) wide. The leaves are dark green, have a distinct petiole and sometimes a wavy edge. A single white and green flower with a brown tip is borne on a flowering spike 100–300 mm (4–10 in) high ...
Here are the best types of orchids you can grow indoors or out. Choose from easy to care for varieties or more exotic flowers, and learn how to care for them. With more than 25,000 species ...
The English name 'common spotted' refers to the species' abundance and the spots on its leaves. The French and German common names also honour Leonhart Fuchs. This plant belongs to a problematic group of orchids. D. maculata subsp. fuchsii is very variable in flower colour and flower morphology, plant height and the scent of flowers.