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Plants of the Eloise Butler Wildflower Garden |
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Common |
Scientific |
Plant |
Garden |
Prime |
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New Jersey Tea |
Ceanothus americanus L. |
Buckthorn (Rhamnaceae) |
Upland |
Early to Late Summer |
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Other names and notes |
(Red-root) A small native perennial woody shrub, growing to 3 feet in height, green stems with fine hair. Flowers: The inflorescence is an elongated branched cluster of very small white 5-parted flowers on long stalks that spring from the leaf axils. The small clawed flower petals are dipper shape, flare outward opposite the five stamens with gray anthers. The upper lobes of the long flower tube of the calyx flex inward. The white style has 3 lobes. Leaves are wedge-shaped tapering to a base point and a blunt tip at the other end. They may or may not have a stalk. Veins conspicuous; soft hair under; margins usually have fine teeth. The fruit is a small three-celled drupe, tuning black when mature producing 3 brown stone-like seeds. When burned off in prairie areas, it re-sprouts energetically from the roots. It can become dominant in prairies where there are frequent burns. It is difficult to transplant and should be propagated by seed in late fall. It is susceptible to leaf spot. The early East Coast settlers and the Indians used the plant to brew a tea-like beverage that had medicinal properties - hence the common name. The genus name if from the Greek keanothus which was used to refer to a spiny plant. |
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Notes: This plant is indigenous to the Garden area. Eloise Butler catalogued it on Sept. 6, 1907. Growing primarily in soils of open woodlands and prairies, the plant is found in most counties of the eastern half of Minnesota where cultivation has not removed it. In North America it is plant of the eastern half. Lore and Use: In herbal medicine, the root was used as an astringent, expectorant, sedative and as an antispasmodic. The active principle is an acid named Ceanothine. Densmore (Ref. #5) reports the use of the root among the Minnesota Chippewa in treatment for a cough. They used 5" of root, grated, in one quart of water to produce a decoction. The dosage was one swallow. Mrs. Grieve (Ref. #7) reports that in Canada a cinnamon color dye was made for wool. Eloise Butler wrote of this plant: "The shrub-like Ceanothus or New Jersey Tea, seemingly covered with sea foam and mist, has drifted from the Atlantic to the valley of the Mississippi. This plant has historic interest as well as refined beauty. It is well that it grows in prodigal masses in wide distribution. For, after the Boston Tea Party, a brew of the leaves of the Ceanothus plenished the teapots of our revolutionary forebears." Published in the Minneapolis Sunday Tribune July 16, 1911. |
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| References: Plant characteristics are generally from sources 15, 16, 30, 31, 33, W2 & W3. Distribution principally from W2 and also 31, 34 and W1. Planting history generally from 1, 4 & 4a. Other sources by specific reference. See Reference List for details. | |||||||||||||||
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