compass plant


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Related to compass plant: rosinweed

compass plant

or

rosinweed,

large, coarse North American perennial herb (Silphium laciniatum) of the family Asteraceae (asteraster
[Gr.,=star], common name for the Asteraceae (Compositae), the aster family, in North America, name for plants of the genus Aster, sometimes called wild asters, and for a related plant more correctly called China aster (Callistephus chinensis
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 family), found chiefly in open grasslands. The deeply cut leaves tend to point north and south. It has been used medicinally and is sometimes cultivated. Other plants that have a similar leaf orientation are sometimes called compass plants. Compass plant is classified in the division MagnoliophytaMagnoliophyta
, division of the plant kingdom consisting of those organisms commonly called the flowering plants, or angiosperms. The angiosperms have leaves, stems, and roots, and vascular, or conducting, tissue (xylem and phloem).
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, class Magnoliopsida, order Asterales, family Asteraceae.
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compass plant

compass plant

Flowers resemble miniature sunflowers but with fewer petals. Can grow up to 10 ft tall (1-4m). Hairy stalk and leaves. Whole plant is edible. Used for lung conditions, gonorrhea, expelling worms, coughs and asthma. Leaves usually point north-south to minimize exposure to hot noon sun. Roots up to 15 ft (5m) deep, very drought resistant.