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Dummer. ゛☀
2017年08月10日
Dummer. ゛☀
One of many marsh orchids, Dactylorhiza cordigera is distinguished by the heart-shaped lip of the flower from which are derived both its common and scientific names. Description This orchid has very darkly spotted leaves and dark purple flowers. The plant grows to around 40cm tall and is very robust, with flowers of dark purple patterned with even darker purple loops and streaks. The lower lip is distinctly heart-shaped, as can be seen from the close-up below.[图片]Dactylorhiza cordigera in a marsh in the Pirin Mountains of Bulgaria Distribution Dactylorhiza cordigera is widespread in the Balkan and Carpathian mountains, where often it occurs in large numbers.[图片]Habitat This orchid grows in very damp grassy meadows but also likes to be in the full sun; in the mountains of central and eastern Europe it can be found up to 2,400 metres above sea level.[图片]The lip of Dactylorhiza cordigera is distinctly heart-shaped Flowering times The flowering time of the Heart-flowered Marsh Orchid stretches from the end of May until the end of July - the greater the altitude, the later the flowering season.
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Dummer. ゛☀
2017年08月10日
Dummer. ゛☀
The Lady's Slipper Orchid was recognised as a native European species in 1568, and the earliest record of a British plant is of a dried herbarium specimen from 1640, collected from the Ingleton area in Yorkshire.[图片]Distribution Although still widespread in some parts of Europe, the Lady's Slipper Orchid was always a rarity in Britian and consequently highly prized by plant collectors who, from the mid-18th Century, collected the plants with such ruthlessness that by 1888 great concern was being expressed at the disappearance of the Lady's Slipper Orchid from the wild. Regrettably the population continued to decline, resulting in its declared extinction by 1917.[图片]In recent years a re-introduction programme has been carried out at Gait Barrows National Nature Reserve in Lancashire. This programme which is jointly funded between Natural England and the Sainsburys Foundation has been very successful and there are now many flowering plants which can be visited by the public. The best time to see this orchid at Gait Barrows NNR is in the first half of June. Although driven to the brink of extinction in the UK the Lady's Slipper Orchid still occurs in the wild in various European countries including Sweden, Bulgaria, Slovenia, France, Switzerland and Finland.[图片]The Lady's Slipper Orchid is rare and in decline in all its territories and is still the subject of plant theft.
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Dummer. ゛☀
2017年08月10日
Dummer. ゛☀
This orchid, which is also known as Stemless Lady's Slipper, is widespread across Canada and the United States. Description An unmistakeable orchid, Cypripedium acaule grows to around 40cm in height. It has a distinctive pair of deeply keeled basal leaves and each stem carries a large, deep-pink slipper-shaped flower. A white form, Cypripedium acaule forma alba is also recorded. [图片]Distribution The distribution of the Pink Lady's Slipper is centred on the northeastern United States - the high zones of the Appalachian Mountains, the Great Lakes area, northern Ontario and Newfoundland. [图片]Habitat The main habitat of Pink Lady's Slipper is coniferous forests, but it is tolerant of other habitats and sometimes apperars in meadows, roadside ditches, bogs andsand dunes - and even on railway sidings and cuttings. Flowering times This orchid has a long flowering time, and individual flowers can remain in good condition for over three weeks in a cool season. Beginning in May, Pink Lady's Slipper flowers are often found well into June, at which time in good sites these lovely flowers carpet the ground.[图片]In Europe, our closest relative to the Pink Lady's Slipper Orchid is the Lady's Slipper Orchid Cypripedium calceolus. In the UK, the known native plants were reduced to just one specimen in Yorkshire. Today the Lady's Slipper Orchid is the subject of a re-introduction programme which is taking place at Gait Barrows National Nature Reserve in Lancashire.
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Dummer. ゛☀
2017年08月10日
Dummer. ゛☀
Although an introduced alien species, Ivy-leaved Toadflax has had nearly 400 years to make itself at home in Britain and Ireland, and few people are aware that it is not a truly native wildflower.[图片]Identification This trailing hairless perennial plant has lilac two-lipped flowers with two yellowish bulges on the lower lip. Its curved spur is unusually short for a toadflax. Flowers are 9 to 15mm across and each is borne on a long stalk growing from a leaf base. It is easy to see how this plant spreads so rapidly: the fruit capsules develop on long stalks that gradually recurve towards the growing substrate and tuck their oval seeds into any likely places where the plant can get new toe-holds.[图片]The long-stalked leaves of Ivy-leaved Toadflax are palmate (sometimes but not always shaped rather like the leaves of Ivy!) with 3 to 7 lobes and ranging between 2.5 and 5cm across. Leaves alternate along the thin creeping red-flushed stems, which root at nodes whenever they find a suitable crevice. It seems meaningless to discus the 'height' of a plant that is equally at home on vertical and horizontal surfaces, but Cymbalaria muralis is low growing and the flowers are rarely more than 10cm away from the substrate. Distribution Native to the Mediterranean region and thought to have been brought to London with imported marble slabs from Italy in 1640, Ivy-leaved Toadflax was planted in gardens and has since escaped and become naturalised and very common throughout Britain and Ireland except for some parts of northern Scotland.[图片]Now very common throughout most of northern, central and southern Europe, Cymbalaria muralis has also become naturalised in many other parts of the world including North America, where its invasive qualities have resulted in a widespread distribution. Habitat Cymbalaria muralis is mainly found growing in and over walls, piles of rubble and similar places where its roots can get a grip in sparse soil that does not remain wet long enough for other plants to take over. Blooming Times The first flowers of Ivy-leaved Toadflax usually appear April and continue through to at least the end of September. In sheltered southern locations flowers can be seen all year round except in the harshest of winters. Uses Bare walls are made more attractive when colonised by Ivy-leaved Toadflax, but it is rarely necessary to plant these wildflowers because seeds, complete with a starter-pack of organic growing medium, are usually delivered by birds. The fruits are capsule-shaped which grow on long stalks that gradually recurve towards and into a likely place where the plant can get a new 'toe-hold'. Bees gather nectar from the flowers, and in so doing they contribute to pollination.
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Dummer. ゛☀
2017年08月10日
Dummer. ゛☀
Dodder is parasitic on a wide range of plants and shrubs, but in particular on members of the pea (Fabaceae) and heath (Ericaceae) families. Common dodder forms a mass of purple or reddish thread-like stems that crawl all over the host plant; and both the leaves, which are reduced to small scales, and the tiny flowers are very difficult to spot. The flowers appear in clusters and are white or pale pink.[图片]This curious parasitic plant is found throughout Europe including the Mediterranean region except for Cyprus. This wildflower grows in the same places as its hosts, and it produces minute pale blooms from April to October.[图片]The dodder family is Cuscutaceae. The plants shown above were photographed in Crete at the beginning of April. Below is a picture kindly contributed by Sue Rhodes; it shows Dodder scrambling over the gorse on a Cornwall clifftop.[图片]
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Dummer. ゛☀
2017年08月10日
Dummer. ゛☀
This orchid is the most commonly found of the Coralroot Orchids that occur in the Pacific Northwest of America. It shares territory with the only species of Coralroot Orchid that is found in Europe, namely Corallorhiza trifida. In America the latter is known as Early Coralroot Orchid, while in Europe it is known simply as Coralroot Orchid due to its sole representation of the genus there.[图片]Description This colourful plant grows up to 60cm in height and has up to 40 dark red-to-purple flowers in its tall inflorescence. The name coralroot refers to the roots of the orchid plants, which are said to resemble coral - although digging up a plant to confirm its identification is, of course, strictly illegal and so we have never seen this underground feature.[图片]Distribution Western Coralroot Orchid occurs from the Pacific Northwest to northwestern California and through most of British Columbia; it also grows in Idaho, Wyoming and Montana. Habitat This attractive orchid occurs mainly in dark or partially shaded coniferous and broadleaved forests. Although it produces some chlorophyl (hence some plants are greenish, although many are purple-brown), this orchid is largely saprophytic, depending mainly for its food on the mycorrhizal fungi surrounding its roots. Coralroot orchids are capable of self-pollination.[图片]In America Corallorhiza mertensiana is distributed from southern Alaska south to California, and east to Montana and western Wyoming. Flowering times Western Spotted Coralroot Orchid flowers in June and July.
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Dummer. ゛☀
2017年08月10日
Dummer. ゛☀
Western Spotted Coralroot Orchid, Corallorhiza maculata, must be one of the most attractive of the Coralroot Orchids, and like the other kinds of Coraroot orchids that grow in America it is much more robust and easier to spot than its European cousin Corallorhiza trifida.[图片]Description By far the prettiest of the coralroot orchids that occur in North America, the Western Spotted Coralroot has delicate flowers with brownish sepals and white lips which are covered in deep pink spots.[图片]Distribution There are four different 'forms' of Western Spotted Coralroot growing in North America, and their ranges extend from as far north as British Columbia and east to Newfoundland, as far south as New Mexico and they also grow in California, Indiana, Arizona and Virginia. We have found and photographed two in the Rocky Mountains - forma immaculata and the one shown on this page. We have also been lucky enough to find Western Coralroot Orchid Corallorhiza mertensiana, another very attractive plant.[图片]Habitat The name coralroot refers to the roots of the Coralroot orchid plants, which are said to resemble coral - not that we have dug one up to prove the point. Coralroot orchids occur in a wide range of habitats from dark forest (where we found this one) to dune slacks and open tundra. Although they produce some chlorophyl (hence some plants are greenish, although many are purple-brown), these orchids are largely saprophytic, depending mainly for their food on the mycorrhizal fungi surrounding their roots. Coralroots are usually self-pollinating.
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Dummer. ゛☀
2017年08月10日
Dummer. ゛☀
This orchid is now extremely rare in the UK... or is it just almost impossible to find it? It is one of those flowers that requires 'getting one's eye in' in order to find; in this respect it is rather like the Bog Orchid Hammarbya paludosa.[图片]The coralroot orchid is also very difficult to photograph, because it is so tiny (between 7cm and 30cm tall but usually nearer to the 7cm mark!) and it frequently occurs in very dark forest locations. Description The name coralroot refers to the roots of this plant, which are said to resemble coral - not that we have dug one up to prove the point. The plants of Coralroot Orchid are not always as colourful as the ones shown on this page. Where they occur in dark woodland and forests these little orchids are often fawn, and that makes them extremely hard to find among dense conifer needles on the forest floor.[图片]Although always growing close to trees, Coralroot Orchids sometimes occur in large numbers on the edges of paths and on roadside verges.The plant stems are brownish-green and the flowers have green sepals and petals with a paler lip sometimes marked with red. Despite being able to produce some chlorophyll (hence some plants are greenish, although many are purple-brown), this orchid is largely saprophytic, depending mainly for its food on the mycorrhizal fungi surrounding its roots. Coralroot is usually self-pollinating.[图片]Distribution One of the best chances of finding this rare orchid in the UK is to make a visit to Sandscale Haws National Nature Reserve, in the Lake District. Corallorhiza trifida can be found widely throughout Europe, and we have seen many of them flowering in Slovenia. It also occurs in North America in the Pacific Northwest, in particular. The specimens shown above and left were photographed in a forest in the Rhodopi Mountains of Bulgaria in mid June. In North America the common name for this species is Early Coralroot Orchid. Habitat This orchid occurs in a range of habitats from dark forests and tree-lined roadside verges to dune slacks and open tundra. Flowering times Coralroot Orchid flowers in June and July.
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Dummer. ゛☀
2017年08月10日
Dummer. ゛☀
Seen at close quarters the intricacy of this lovely wetland wildflower is just amazing. Identification Marsh Cinquefoil has reddish-purple hermaphrodite flowers 20 to 30cm across, with five red sepals that are longer and broader than its five petals. The basal leaves are divided into five toothed leaflets, while leaves nearest to the flowers have just three leaflets. These spreading plants rarely grow taller than 40cm and their roots are often under water.[图片]Distribution Marsh Cinquefoil, a relatively uncommon sight in some regions of Britain and Ireland, occurs also in many parts of mainland Europe, in northern Asia, and in North America. Habitat Comarum palustre is an acid-loving wildflower; it grows mainly in peaty marshes, swamps and fens and in the shallow margins of unpolluted upland lakes. In Ireland some of the high moorland in County Wicklow has Marsh Cinquefoil in ditches and other damp hollows and along the margins of rivers and streams.[图片]Blooming Times From early June until late August the ruby red flowers of Marsh Cinquefoil are a great source of nectar for bees and many other kinds of insects that swarm around ponds and other wetland sites.. Uses In the past the roots of this plant were used to dye leather a reddish-yellow colour, and a red dye was produced from the flowers. Marsh Cinquefoil leaves are reputed to be good for making tea. Their rarity today makes collecting leaves or flowers of Marsh Cinquefoil not merely difficult but ecologically unforgiveable. Etymology Comarum may come from the Latin noun coma, meaning hair (of the head), a reference to the hairy sepals. Marsh Cinquefoil is listed as Potentilla palustris in some field guides, and Potentilla means 'powerful, despite its small size' and is a reference to the claimed medicinal value of plants in this genus. The specific epithets palustre and palustris means of swamps - a reference to the preferred habitat of this wetland wildflower.[图片]Similar Species Other members of the cinquefoil clan have yellow flowers, but Marsh Cinquefoil, arguably the most beautiful of the group and one of the loveliest wetland wildflowers, is unique in having lovely deep red or reddish-purple flowers and so is unlikely to be mistaken for any other Potentilla species.
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Colour_
2017年08月10日
Colour_
[图片]#仙客来 属球根花卉，喜半阴。仙客来在水分吸收方面有些矛盾，它非常喜欢湿润的环境，但又害怕水太多，因此我们给它浇水的时候，要每天适量浇一次水以保持盆土的湿润度，同时还要控制浇水量，盆土上务必不要积水以免水大腐蚀了它的根部。 仙客来盆栽 1、浇水方法：仙客来一般每天上午浇水一次，由盆边缓慢注入，不能直接对着叶片和株心洒水，否则叶子会腐烂。 2、夏天喷水：夏天时要多多为其喷水，以保证正常的水分吸收量。 3、各个时期的需水量：仙客来若几天不浇水，盆土过干，虽植株不致枯萎，但不能开花。花后应减少浇水量，可2～3天浇一次。7月底停水，让叶片枯萎进人休眠。来年春季逐渐复水，当新叶长出后，再增加浇水量。
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