الثلاثاء، 10 مايو 2016

Asarum

Asarum


Asarum is a genus of plants in the birthwort family Aristolochiaceae, commonly known as wild ginger.
Asarum is the genitive plural of the Latin āsa (an alternate form of āra) meaning altar or sanctuary.

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Aruncus

Aruncus



Aruncus is a genus of clump forming herbaceous perennial plants in the family Rosaceae. Botanical opinion of the number of species differs, with from one to four species accepted. They are closely related to the generaFilipendula and Spiraea, and are native to mountainous damp woodland in temperate regions of the Northern Hemisphere. Creamy white plumes of flowers are produced above veined and toothed leaflets.[2]
Aruncus dioicus flowers

Cultivation[edit]

Goatsbeard does well in USDA Plant Hardiness Zones 4-9 in almost any soil, in sun, or light shade. Set plants approximately 18 - 24 inches apart. To get new plants, divide clumps in spring or fall; otherwise clumps can remain undisturbed indefinitely.
Medical uses:[citation needed] A poultice from the root is applied to bee stings. A tea made from the roots is used to allay bleeding after child birth, to reduce profuse urination and to treat stomach pains, diarrhea, gonorrhea, fevers and internal bleeding. Use the root tea externally to bathe swollen feet and rheumatic joints. A salve made from the root ashes can be rubbed onto sores.
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Arum

Arum



Arum est un genre d'environ 25 espèces de plantes de la famille des Araceae, originaires d'Europe, d'Afrique du nord, et de l'Asie de l'ouest, la plus grande diversité d'espèces étant observée sur le pourtour du bassin méditerranéen.
L'arum des fleuristes, utilisé dans les bouquets de mariée et les décorations d'église - appelé aussi Calla, nom que Linné lui a originellement donné - n'est pas un Arum, mais un Zantedeschia, espèce Zantedeschia aethiopica - dénomination incorrecte sur le plan géographique, puisqu'il est originaire de l'Afrique du Sud.
Étymologie: le terme latin Arum et le terme grec αρον désignent ces mêmes plantes.
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Artemisia (genus)

Artemisia (genus)



Artemisia /ˌɑːrtᵻˈmiːziə/[4] is a large, diverse genus of plants with between 200 and 400 species belonging to the daisy family Asteraceae. Common names for various species in the genus include mugwort, wormwood, andsagebrush.
Artemisia comprises hardy herbaceous plants and shrubs, which are known for the powerful chemical constituents in their essential oils. Artemisia species grow in temperate climates of both hemispheres, usually in dry or semiarid habitats. Notable species include A. vulgaris (common mugwort), A. tridentata (big sagebrush), A. annua (sagewort), A. absinthium (wormwood), A. dracunculus (tarragon), and A. abrotanum (southernwood). Theleaves of many species are covered with white hairs.
Most species have strong aromas and bitter tastes from terpenoids and sesquiterpene lactones, which discourage herbivory, and may have had a selective advantage.[5] The small flowers are wind-pollinated.[5] Artemisiaspecies are used as food plants by the larvae of a number of Lepidoptera species.
Some botanists split the genus into several genera, but DNA analysis[6] does not support the maintenance of the genera Crossostephium, Filifolium, Neopallasia, Seriphidium, and Sphaeromeria; three other segregate generaStilnolepis, Elachanthemum, and Kaschgaria, are maintained by this evidence. Occasionally, some of the species are called sages, causing confusion with the Salvia sages in the family Lamiaceae.
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Arisaema

Arisaema



Arisaema is a large and diverse genus of the flowering plant family Araceae. The largest concentration of species is in China and Japan, with other species native other parts of southernAsia as well as eastern and central Africa, Mexico and eastern North America.[1] Asiatic species are often called cobra lilies, while western species are often called jack-in-the-pulpit; both names refer to the distinctive appearance of the flower, which consists of an erect central spadix rising from a spathe.[2][3][4]
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Armeria

Armeria



Armeria is a genus of flowering plants. These plants are sometimes known as "Lady's Cushion", "thrift", or "sea pink" (the latter because as they are often found on coastlines). The genus counts over a hundred species, mostly native to the Mediterranean, although Armeria maritima is an exception, being distributed along the coasts of the Northern Hemisphere, including Ireland, parts of the United Kingdom such as Cornwall, and the Pembrokeshire Coast National Park in Wales.[1]
Some are popular with gardeners as rockery plants.
Some species and subspecies
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Argemone

Argemone



Argemone is a genus of flowering plants in the family Papaveraceae commonly known as prickly poppies.[2] There are about 32 species native to the Americas and Hawaii.[3] The generic name originated as αργεμωνη inGreek and was applied by Dioscorides to a poppy-like plant used to treat cataracts.[4][5]
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