شنبه 5 فروردين 1396 - 27 جمادي الثاني 1438 - 25 مارس 2017
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27 جمادي الثاني 1438 - Saturday, March 25, 2017
صفحه اصلی تبیان
New England Aster
Aster novae-angliae (Asteraceae). A robust, hardy perennial native to the northeastern portion of the United States. The large rosy-lilac to deep purple flowers have distinct yellow centers found clustered at the e...
Verbena tenuisecta (Verbenaceae) . A sprawling perennial, native to South America, and introduced to the southern United States. The small flowers have a rich violet to purple hue, clustered together forming a small...
Oenothera missouriensis (Onagraceae). A hardy perennial native from Texas to Missouri and extending throughout much of central North America. A prolific bloomer with magnificent lemon-yellow flowers which last for ...
Hat Ratibida columnaris (Asteraceae). A robust, drought tolerant annual to perennial variety native to the mid-west and has naturalized throughout North America. The characteristic black, cone-shaped heads are surround...
Mealy Blue Sage
Salvia farinacea (Lamiaceae). A hardy, upright to sprawling perennial native to Texas, and easily grown throughout the southern portion of the United States. The densely congested violet-blue flowers are concentrat...
Helianthus maximiliani (Asteraceae) .A stout, upright perennial native to Texas extending north throughout the central plains states. Numerous bright yellow 3 inch flowers are found on the upper half of unbranched ...
Lemon Mint/Purple Horse Mint
Monarda citriodora (Lamiaceae). A hardy annual or tender perennial native to the midwest and southern United States. A typical member of the Mint family with its distinctive square stems. Flowers are arranged in wh...
Viola cornuta (Violaceae).A compact annual or short-lived perennial, native to Spain and the Pyrenees Mountains. This variety has been used extensively in floral gardens and has escaped from cultivation to roadsid...
Indian Blanket/Fire Wheel
Gaillardia pulchella (Asteraceae). A hardy, drought tolerant annual native to the central United States. Easily established from seed, it forms dense colonies of brilliant red flowers with yellow rims. The flower d...
Papaver nudicaule (Papaveraceae). A hardy perennial or biennial native to the arctic regions of North America, and extending eastward in cooler climates. The radiant white, yellow or orange flowers are individually...
Achillea filipendulina (Asteraceae). An upright, drought tolerant, perennial, native to Europe but has naturalized throughout North America. The finely dissected leaves resemble those of a fern and are easily ident...
Digitalis purpurea (Scrophulariaceae).One of the loveliest, most important plant species that has been introduced from Europe and naturalized in various parts of North America. The flowers are numerous, on a spike...
Nemophila maculata (Hydrophyllaceae). A hardy annual native to California, easily grown from seed throughout the United States. The flowers are an attractive white with vivid purple spots at the tip of each petal. ...
Clarkia amoena (Onagraceae).A short annual native to California which has spread into British Columbia. Requires very little moisture once established, but needs sufficient water during germination and early growt...
Oenothera lamarckiana (Onagraceae). A robust annual, of unknown origin which has naturalized throughout the United States. Flowers are light yellow borne on tall, sturdy spikes. Blooms are up to 2 inches across, op...
Dwarf Red Plains Coreopsis
Coreopsis tinctoria (Asteraceae) . A hardy, upright annual very easy to grow from seed throughout much of North America. This dainty little plant will burst alive in the spring covered with mahogany-red flowers. An ...
Phlox drummondii (Polemoniaceae). A short, hardy, upright annual, native to Texas, but adapted throughout the southeastern United States. It is a variety that has been used extensively in European gardens for many ...
Dense Blazing Star
Liatris spicata (Asteraceae) .An erect perennial native to the eastern United States extending as far south as Louisiana. The stiff, cylindrical spike is heavily concentrated with deep rose-purple flowers. The bloo...
Hesperis matronalis (Brassicaceae) An upright, hardy perennial native to Europe, but has escaped cultivation and adapted throughout most of the United States. Delightful lilac-purple flowers are concentrated at the en...
Trifolium incarnatum (Fabaceae) An upright, winter annual native to Europe, but has naturalized throughout temperate North America. The deep red to scarlet flowers are tightly congested arising from an elongated s...
Cosmos bipinnatus (Asteraceae) A hardy, erect annual requiring very little moisture once established. A native of Mexico, it can easily adapt to all regions of the United States. The attractive flowers are a mixtu...
Centaurea cyanus (Asteraceae) A drought tolerant annual, native to Europe, which has naturalized throughout North America. The upper half of the plant is multi-stemmed, producing many flowers. Leaves are covered with ...
Corn Poppy/Shirley Poppy
Papaver rhoeas (Papaveraceae) A hardy annual native to Europe, but has been naturalized throughout the United States. The large 3-4 inch blooms range in shades from white and pink, to red and are individually born...
Rudbeckia amplexicaulis (Asteraceae) A hardy annual native to the southeastern United States, and has naturalized throughout most of North America. The identifiable black, cone-shaped heads are surrounded by brigh...
Cichorium intybus (Asteraceae). A slender perennial, easily established from seed, producing a deep taproot. A native of Europe, it has escaped from cultivation and naturalized throughout North America. The plant c...
Silene armeria (Caryophyllaceae) An attractive annual or tender perennial native to Europe, but has naturalized throughout the United States. The generous rosepink flowers are arranged in compact clusters radiatin...
Iberis umbellata (Brassicaceae) A robust perennial, behaving in some areas as an annual. Native to Europe, it has adapted to all regions of the United States. This low, bushy plant produces mounds of beautiful ice...
Eschscholzia californica (Papaveraceae) An upright, compact annual or tender perennial native to California and the southwestern United States. Extremely drought tolerant, ideal for arid environments. The brillian...
Phacelia campanularia (Hydrophyllaceae) A hardy annual native to the western United Satates and adapted to very arid environments. The stunning deep blue, bell-shaped flowers are highlighted by long golden stamens...
Asclepias tuberosa (Asclepiadaceae) An extremely hardy, long-lived perennial native to North America. The magnificent bright orange flowers are concentrated in compact clusters at the top of branching stems. The f...
Linum lewisii (Linaceae) A perennial variety native to California, but has adapted well to most regions of North America. Numerous light blue, cupshaped flowers bloom well into the summer. Prefers dry, full sun ar...
Gaillardia aristata (Asteraceae) A hardy, drought tolerant perennial found throughout much of the United States. Easily established from seed, it frequently forms dense colonies of brilliant red flowers with yello...
Rudbeckia hirta (Asteraceae) A stiff, upright annual or shortlived perennial native to the eastern United States, but has become endemic throughout North America. The Black-Eyed Susan is probably the most common o...
Ammi majus (Apiaceae) An erect, branching annual easily established from seed. Native to North Africa and Eurasia, it has naturalized throughout much of the United States. The plant produces an abundance of large, rou...
Gilia tricolor (Polemoniaceae) A hardy annual native to the western United States that will easily adapt to a variety of conditions. The elegant trumpet shaped flowers are lavender and white with golden throats. Pref...
Baby Blue Eyes
Nemopila insignis (Hydrophyllaceae) A hardy annual native to California, but is easily grown throughout the United States. The delicate, sky blue, cup-shaped flowers continue to bloom throughout spring. Requires ...
Arroyo Lupine/Succulent Lupine
A hardy annual native to California and the western United States. The amount of fertility and moisture generally dictates the height of the plant. Flowers are concentrated on an up...
A hardy, spreading annual with daisy-like flowers. A native of South Africa, it has naturalized throughout the southwestern United States. Blooms are 2-4 inches across in bri...
Thinking and Language
theses about the relationship between language and thought can be found in both linguistically studies and....
Are You a Type D?
D? The Dangers of Chronic Distress Are you worried, irritable and socially inhibited? A simple test may help predict the health effects. BY MICHAEL CRAIG MILLER, M.D. YEARS AGO, WHEN THE psychologist Johan D...
Test Click on the shape you find most appealing. Consider both form and color. Carefree Playful Cheerful You love a ...
Sin A ceremonial table called Sofreh-e Haft Sin (cloth of seven dishes), name of each dish beginning with the Persian letter Sinn. A few days prior to the New Year, a special cover is spread on to the Persian carpet or ...
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