معرفی گیاهان جالب

mani24 · 13 آذر، ۱۳۹۱

این گیاه از خانواده Aristolochiaceae می باشد که یک خانواده ابتدای است

mani24 · 13 آذر، ۱۳۹۱

گیاه زر آوند به آن پیپ مرد هلندی هم گفته می شود

mani24 · 13 آذر، ۱۳۹۱

mani24 · 13 آذر، ۱۳۹۱

کم بودن برگها یک استراتژی برای تحمل شرایط آب و هوایی خشک هست.

برگها سریع میریزند، در اواخر بهار و تابستان این گیاه پوشیده می شود از گلهای زرد خوشبوی فراوان.

در اواخر تابستان میوه های لگوم آن می رسند و به رنگ سیاه در می آیند، این میوه های با یک شکاف قابل شنیدن میترکند و باز می شوند و اینگونه دانه های گیاه مادر پراکنده می شوند

mani24 · 13 آذر، ۱۳۹۱

این گیاه از خانواده استبرق (Asclepidaceae) میباشد

خصوصیات این خانواده عبارتند از: برگهای متقابل، دانه های کرک دار، میوه های برگه، دارای شیرابه زیاد

پرچم ها به تعداد 5تا متصل به اندام ماده که تشکیل یک ستونک پرچمی می دهند.

mani24 · 13 آذر، ۱۳۹۱

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Classification

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Kingdom: Plantae

Division: Magnoliophyta

Class: Magnoliopsida

Order Type: Basal Angiosperm-Dicots

Order: Piperales

Family: Aristolochiaceae

Family Common Name: Dutchman's-Pipe Family

Genera: Aristolochia, Asarum

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Defining Features: Some species of Aristolochia being eaten by caterpillars of birdwing butterflies.

Defining Morphology: Floral Features: Flowers are large, actinomorphic or zygomorphic and bi***ual. Calyx is tubular and fused (often pipe-shaped). Petals are often lacking or vestigial. Inflorescence (axillary) is a solitary flower or in cymes or racemes. Flower parts are 3-merous. Ovaries are inferior to half-inferior with axile or parietal placentation. Fruit and Seed Features: Dicotyledon. Fruit as a capsule, schizocarp or dry-baccate. Seeds have small embryos and oily endosperm. Vegetative Features: Habit as herbaceous plants, shrubs or usually woody lianas. Leaves are simple, entire (rarely lobed), sometimes punctate and alternate. Leaves have palmate venation. Stipules are lacking.

Distribution: Tropical with a few temperate species. None in Australia.

Economic Use: As a cultivated ornamental vine and medicinal products.

Number of Genera Globally: 7

Number of Species Globally: 460

What are aristolochic acids?

Aristolochic acids are a family of acids found naturally in the plants Aristolochia and Asarum.

How are aristolochic acids used?

Plants containing aristolochic acids are often used as herbal medicines or in other botanical products in the United States and abroad. Aristolochic acids may be found as a contaminant in herbal products used to treat a wide variety of symptoms and diseases, such as arthritis, gout, and inflammation.

How are people exposed to aristolochic acids?

Exposure may occur though the intentional or unintentional eating or drinking of herbal or food products that contain aristolochic acids.

In 2001, the U.S. Food and Drug Administration (FDA) advised consumers to stop using any products that may contain aristolochic acids, after seeing an increase in nephropathy, or kidney disease, among users; however, products containing aristolochic acids can still be purchased on the Internet and abroad.

Aristolochic Acids are now listed as a known carcinogen. Where can I get more information on Aristolochic Acids and what herbal products contain Aristolochic Acids?

Aristolochic acids are often used as herbal medicines or other botanical products in the United States and abroad to treat a wide variety of symptoms and ailments. Exposure may occur though the intentional or unintentional eating or drinking of herbal or food products that contain aristolochic acids.

In 2001, the U.S. Food and Drug Administration (FDA) advised consumers to stop using any products that may contain aristolochic acids, after seeing an increase in nephropathy, or kidney disease, among users; however, products containing aristolochic acids can still be purchased on the Internet and abroad.

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mani24 · 13 آذر، ۱۳۹۱

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Calotropis procera (Asclepiadaceae), the rooster tree

Calotropis procera at South end of island. Wolof name is "poftan"; Pulaar name is "ba ma mbi". This plant is reported to be poisonous with effects similar to digitalis, but Yaya says that it helps footballers play and run well.

Classification

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[TD]Kingdom: Plantae

Division: Magnoliophyta

Class: Magnoliopsida

Order Type: Eudicots-Asterids I

Order: Gentianales

Family: Apocynaceae + Asclepiadaceae

Family Common Name: Milkweed Family

Genera: Amsonia, Asclepias, Catharanthus, Nerium, vinca[/TD]

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Defining Features: Usually contains milky latex. Nectiferous disk or nectar glands in flower make most species fragrant.

Defining Morphology: Floral Features: Flowers are actinomorphic, often large, showy and bi***ual. Inflorescences are determinate or indeterminate, axillary or terminal or reduced to a single flower. Embryo is superior with lateral or axile placentation. Nectar disk is often present. Fruit and Seed Features: Dicotyledon. Fruit berry, drupe, two follicles or a schizocarp. Seeds are often rounded with hairs at one end. Embryo is straight or bent with or without endosperm. Vegetative Features: Habit as herbs, shrubs, trees or lianas. Leaves are simple, alternate, whorled or often opposite, evergreen and sometimes deciduous. Stipules are rarely present.

Distribution: Tropical, subtropical to warm temperate regions.

Economic Use: As cultivated garden and indoor ornamentals and drugs.

Number of Genera Globally: 355

Number of Species Globally: 3,700

mani24 · 13 آذر، ۱۳۹۱

یک سرخس خوشگل

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Plants of the Eloise Butler Wildflower Garden

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Garden

Location

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