Herbs & Plants

Rudbeckia hirta

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Botanical Name : Rudbeckia hirta
Family: Asteraceae
Genus: Rudbeckia
Species: R. hirta
Kingdom: Plantae
Order: Asterales

Common Names :Brown-eyed Susan, Brown Betty, Brown Daisy (Rudbeckia triloba), Gloriosa Daisy, Golden Jerusalem, Poorland Daisy, Yellow Daisy, and Yellow Ox-eye Daisy, Coneflower

Habitat :Rudbeckia hirta is native to most of North America.An occasional garden escape in Britain. Grows in the disturbed soils in Texas

There are three regional varieties of Rudbeckia hirta, the wild black-eyed Susan, with one occurring naturally throughout much of North America from British Columbia to Newfoundland and south to Texas and Florida. The species is absent only from the Southwest. Black-eyes Susans grow in prairies, dry fields, open woods, along road shoulders and in disturbed areas.

Rudbeckia hirta is a biennial/Perennial plant, that  can reach a height of 1 m. It has alternate, mostly basal leaves 10-18 cm long, covered by coarse hair. It flowers from June to August, with inflorescences measuring 5-8 cm in diameter (up to 15 cm in some cultivars), with yellow ray florets circling a brown, domed center of disc florets.

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It is hardy to zone 4. It is in flower from July to October, and the seeds ripen from August to October. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Bees, hoverflies.

The plant prefers light (sandy), medium (loamy) and heavy (clay) soils. The plant prefers acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It requires moist soil. The plant can tolerates strong winds but not maritime exposure.

Cultivation :
Succeeds in an ordinary medium soil in sun or shade. Requires a moist soil. Prefers a well-drained soil[188]. Dormant plants are hardy to about -25°c. This species is a biennial or short-lived perennial. Some named forms have been selected for their ornamental value. Members of this genus are rarely if ever troubled by browsing deer.

Seed – sow April in a greenhouse. Only just cover the seed. Germination should take place within 2 weeks, prick out the seedlings into individual pots when they are large enough to handle and plant them out in the summer. The seed can also be sown in situ

Medicinal Uses:

Traditional medicine:
The roots but not seedheads of Rudbeckia hirta can be used much like the related Echinacea purpurea. It is an astringent used as in a warm infusion as a wash for sores and swellings. The Ojibwa used it as a poultice for snake bites and to make an infusion for treating colds and worms in children. The plant is diuretic and was used by the Menominee and Potawatomi.  Juice from the roots had been used as drops for earaches.

The plant contains anthocyanins.

Other Uses
*A yellow dye is obtained from the flowers.

*The Black-eyed Susan was designated the state flower of Maryland in 1918.

*Butterflies are attracted to Rudbeckia hirta when planted in large color-masses.

*Numerous cultivars have been selected for garden planting; some popular ones include ‘Double Gold’, ‘Indian Summer’, and ‘Marmalade’.

Disclaimer : The information presented herein is intended for educational purposes only. Individual results may vary, and before using any supplements, it is always advisable to consult with your own health care provider.


Herbs & Plants

Eriophyllum confertiflorum

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Botanical Name:Eriophyllum confertiflorum
Family: Asteraceae
Tribe: Heliantheae
Genus: Eriophyllum
Species: E. confertiflorum
Kingdom: Plantae
Order: Asterales

Common Names: Golden yarrow or Yellow yarrow

Habitat :Eriophyllum confertiflorum is native to California and Baja California, and its range may extend into Arizona. It can be found in a number of plant communities and habitats.

Eriophyllum confertiflorum  is a perennial  small shrub.The plant grows in large clumps or stands of many erect stems often exceeding half a meter in height. It has greenish to gray-green stems and foliage, the leaves sharply lobed and divided. The top of each stem is occupied by an inflorescence of up to 30 flower heads, each bright golden yellow head with a large center of disc florets and usually a fringe of rounded to oval ray florets. The fruit is an achene with a very short pappus.
click & see the pictures

Its flowers are  bright yellow and bloom  in early summer, does best with full sun, a little summer water, good drainage, excellent with Penstemons. Cold tolerant to 5 deg.F. or less. This one is ‘highly variable’ which means if you do not specify the site, you’ll get a funny looking plant. Munz separated out E.confertiflorum var. laxiflorum a sub-species with narrower stems and leaves. In reality, the northern form of E.confertiflorum is green and 2′, the central Calif. form is gray and 1′, the S. Calif. form is 2′ ft. and gray.

Medicinal Uses;
Delfina Cuero, a Kumeyaay or Southern Diegueno Indian, made the following comments about Eriophyllum confertiflorum in her autobiography:  ” This is used for someone with pimples on their face.  They were told to boil the whole plant and wash face in water to clear away the pimples”.  The woolly fuzz that densely coves the leaves and stems was collected by Native Americans and used as a cure for rheumatism.

Disclaimer:The information presented herein is intended for educational purposes only. Individual results may vary, and before using any supplements, it is always advisable to consult with your own health care provider


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