While the plant is growing and developing additional leaves, the cotyledons eventually senesce and fall off.
seedling |
The Field Maple Acer campestre cultivar 'Eastleigh Weeping' or Weeping Eastleigh Field Maple is a weeping tree that originated as a seedling at the Hillier & Son nursery, Ampfield, England and was released in 1980.
In 2012, the same group of scientists decoded the genome of Macrophomina phaseolina, a Botryosphaeriaceae fungus, which is responsible for causing seedling blight, root rot, and charcoal rot of more than 500 crop and non-crop species throughout the world.
Buddleja 'Lochinch' is an old hybrid cultivar raised from a chance seedling found in the garden of the Earl of Stair at Lochinch Castle, Scotland, circa 1940; the shrub's parents believed to be Buddleja davidii and Buddleja fallowiana.
Buddleja 'West Hill' is an old hybrid cultivar, a full sister of 'Lochinch' and 'Mayford Purple' raised from a chance seedling found in the garden of the Earl of Stair at Lochinch Castle, Scotland, circa 1940, the shrub's parents believed to be Buddleja davidii and Buddleja fallowiana.
Buddleja davidii 'Butterfly Heaven' is a British cultivar raised from a chance seedling discovered by Adrian Bloom at the Blooms of Bressingham nursery.
Buddleja davidii 'Castle School' is a recent introduction, cloned from a seedling discovered growing in the wall of the eponymous Castle School in Tiverton, Devon, England, by nurseryman Martin Hugh-Jones, and introduced to commerce in 2004.
Buddleja davidii 'Croyde' is a cultivar raised from a seedling discovered growing on waste ground in the eponymous Devon village by nurseryman Martin Hugh-Jones, and introduced to commerce in 2004.
'Windy Hill' was raised from a chance seedling and introduced by Dennis Mareb of the Windy Hill Nursery, Great Barrington, Massachusetts.
The plant was thought to have originated from a seedling selected by landscape gardener Neil Breslin of Camberwell, Victoria.
The original seedling was discovered near a group of assorted ash trees in Sewell's nursery in the Mount Lofty Ranges in South Australia about 1910, and later grown at the nearby property Raywood (Former home of the Downer family).
With them they took the palantíri, the "Seeing Stones" that were given to the Lords of Andúnië by the Elves of Tol Eressëa, and a seedling of Nimloth, the White Tree of Númenor.
A chance seedling, from the garden of Sir Peter Smithers at Vico Morcote in Switzerland, with more vigorous growth and larger flowers has been described as Magnolia "William Watson".
It was first cultivated in 1842 by Auguste Courtiller (1795–1875), who created it by selecting seedlings from a Pinot Noir Précoce vine with open pollination.
The former had a total number of 579 individuals in 2001, zero individuals after Typhoon Pongsona swept the area in 2002, and a total of about 20 individuals, including seedlings, in 2005.
He publicly challenged the established belief that native Australian food plants were not suitable for cropping; conceived the commercial strategy of processing strong flavored native food plants; and, developed the use of wild and seedling genetic diversity to overcome the lack of domesticated varieties previously considered a limitation with Australian native food plants.
The American Elm Ulmus americana cultivar 'Beaverlodge' was selected as a seedling in 1925 at the Beaverlodge Experimental Farm, Morden, part of the Lacombe Research Centre, Alberta, for its hardiness and vigour, and released in 1954.