Dirca occidentalis | |
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Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Rosids |
Order: | Malvales |
Family: | Thymelaeaceae |
Genus: | Dirca |
Species: | D. occidentalis |
Binomial name | |
Dirca occidentalis | |
Dirca occidentalis, the western leatherwood, is a deciduous shrub with leaves three to seven centimeters in length. Yellow flowers emerge prior to leafing. It grows on moist and shaded slopes. It is rare [2] and endemic to the San Francisco Bay area of California. Its closest relative, Dirca palustris , lives in the eastern half of North America.
Larches are deciduous conifers in the genus Larix, of the family Pinaceae. Growing from 20 to 45 metres tall, they are native to much of the cooler temperate northern hemisphere, on lowlands in the north and high on mountains further south. Larches are among the dominant plants in the boreal forests of Siberia and Canada. Although they are conifers, larches are deciduous trees that lose their needles in the autumn.
Magnolia acuminata, commonly called the cucumber tree, cucumber magnolia or blue magnolia, is one of the largest magnolias, and one of the cold-hardiest. It is a large forest tree of the Eastern United States and Southern Ontario in Canada. It is a tree that tends to occur singly as scattered specimens, rather than in groves.
Magnolia virginiana, most commonly known as sweetbay magnolia, or merely sweetbay, is a member of the magnolia family, Magnoliaceae. It was the first magnolia to be scientifically described under modern rules of botanical nomenclature, and is the type species of the genus Magnolia; as Magnolia is also the type genus of all flowering plants (magnoliophytes), this species in a sense typifies all flowering plants.
Magnolia fraseri, commonly known as Fraser magnolia, mountain magnolia, earleaf cucumbertree, or mountain-oread, is a species of magnolia native to the south-eastern United States in the southern Appalachian Mountains and adjacent Atlantic and Gulf Coastal Plain from West Virginia south to northern Florida and west to eastern Texas. The Appalachian plants are classified as Magnolia fraseri var. fraseri, and the more coastal plants as M. fraseri var. pyramidata. These two kinds of magnolia are often recognized as distinct species, M. fraseri and M. pyramidata, respectively.
Magnolia macrophylla, the bigleaf magnolia, is a deciduous magnolia native to the southeastern United States and eastern Mexico. This species boasts the largest simple leaf and single flower of any native plant in North America.
Magnolia sieboldii, or Siebold's magnolia, also known as Korean mountain magnolia and Oyama magnolia, is a species of Magnolia native to east Asia in China, Japan, and Korea. It is named after the German doctor Philipp Franz von Siebold (1796–1866).
Charles Sprague Sargent was an American botanist. He was appointed in 1872 as the first director of Harvard University's Arnold Arboretum in Boston, Massachusetts, and held the post until his death. He published several works of botany. The standard botanical author abbreviation Sarg. is applied to plants he identified.
The Arnold Arboretum of Harvard University is a botanical research institution and free public park, located in the Jamaica Plain and Roslindale neighborhoods of Boston, Massachusetts. Established in 1872, it is the oldest public arboretum in North America. The landscape was designed by Charles Sprague Sargent and Frederick Law Olmsted and is the second largest "link" in the Emerald Necklace. The Arnold Arboretum's collection of temperate trees, shrubs, and vines has a particular emphasis on the plants of the eastern United States and eastern Asia, where arboretum staff and colleagues are actively sourcing new material on plant collecting expeditions. The arboretum supports research in its landscape and in its Weld Hill Research Building.
Magnolia salicifolia, also known as willow-leafed magnolia or anise magnolia, originates from Japan. It is a small deciduous tree 7.5 m (25 ft) tall, with narrow lanceolate leaves with whitened undersides. The leaves are not as narrow as true willows (Salix), but is narrow compared to other magnolias, giving this tree a finer texture. The 10 cm-wide scented flowers emerge in early spring before the leaves. The leaves and bark are fragrant when crushed.
Carya cordiformis, the bitternut hickory, also called bitternut or swamp hickory, is a large pecan hickory with commercial stands located mostly north of the other pecan hickories. Bitternut hickory is cut and sold in mixture with the true hickories. It is the shortest-lived of the hickories, living to about 200 years.
Heptacodium miconioides, the seven-son flower, is a species of flowering plant. It is the sole species in the monotypic genus Heptacodium, of the honeysuckle family Caprifoliaceae. The common name "seven-son flower" is a direct translation of the Standard Chinese name 七子花 qī zi huā.
Prunus sargentii, commonly known as Sargent's cherry or North Japanese hill cherry, is a species of cherry native to Japan, Korea, and Sakhalin (Russia).
The Seed Herbarium Image Project (SHIP), is an initiative of the Arnold Arboretum of Harvard University to create a web-based repository of high-resolution digital images documenting the morphology of woody plant seeds and selected fruit structures. Headquartered at the Arboretum’s Dana Greenhouse facility and coordinated and photographed by curatorial assistant Julie McIntosh Shapiro, the Seed Herbarium Image Project supports the work of educators and professionals in horticulture and the botanical sciences, particularly in conservation research and management of rare and endangered species. The digitized images of seeds offer an important new aid for teaching seed identification—a fundamental skill in plant propagation, hybridization, and distribution—and serve as a resource for nurserymen, horticulturists, botanical curators, taxonomists, ecologists, and the general public. SHIP also provides an online resource for botanical institutions and nurseries to verify their collections and inventories. SHIP is made possible through the generous support of the Stanley Smith Horticultural Trust, Cabot Family Charitable Trust, and the J. Frank Schmidt Family Charitable Foundation.
Cercidiphyllum japonicum, known as the katsura, is a species of flowering tree in the family Cercidiphyllaceae native to China and Japan. It is sometimes called caramel tree for the light caramel smell it emits during leaf fall.
Magnolia × loebneriKache is a hybrid of two Magnolia species, the Japanese Magnolia kobus and M. stellata. crossed by Garteninspektor Max Löbner of Pillnitz, Germany, shortly before World War I; it first flowered in 1917. The deciduous, elegant and compact multi-stemmed small flowering tree or large shrub, slowly attaining a height of 20 ft (6.1 m) and somewhat wider at maturity, is hardy to USDA Zone 4. Its fragrant late flowers, following its stellata parent by a couple of weeks, escape unexpected late spring frosts, but appear on the bare branches, to great effect. The deep pink buds open in informal strap-like tepals with pale shell pink upper surfaces and darker pink-purple lower ones. Like most magnolias, it thrives best on acid soils.
Magnolia × thompsoniana is a hybrid plant in the genus Magnolia and family Magnoliaceae. It is a semideciduous tree with large white fragrant flowers.
Lipocarpha occidentalis, the Western halfchaff sedge, or Pacific halfchaff sedge, is a plant species native to western part of the United States but cultivated as an ornamental in other regions. It is widespread in California, with populations also reported from Oregon and Washington state.
The Ulmus pumila cultivar 'Aurescens' was introduced by Georg Dieck at the National Arboretum, Zöschen, Germany, circa 1885. Dieck grew the tree from seed collected in the Ili valley, Turkestan by the lawyer and amateur naturalist Vladislav E. Niedzwiecki while in exile there. Dieck originally named the tree U. pinnato-ramosaf.aurescens.
Hypericum buckleyi, known as Buckley's St. Johnswort, is a rare species of flowering plant in the family Hypericaceae that is found only in the Appalachian Mountains of the southeastern United States.
Carpolobia is a genus of plants in the milkwort family (Polygalaceae) that are native to Tropical Africa and Madagascar. It was first written about in 1831 by George Don, at which point 4 species were identified. In 1849, the number of accepted species went down to 2. The other 2 became part of the legume family. The two species that remained, C. alba and C. lutea, were described as closely resembling each other. It was initially in the Polygaleae tribe before being split off in 1992 along with the genus Atroxima to form the new tribe of Carpolobieae.