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出典:『Wikipedia』 (2010/07/14 23:15 UTC 版)

英語による解説

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Eucephalus breweri (formerly Aster breweri and Chrysopsis breweri) is a species of aster known by the common name Brewer's aster. It is native to California where it grows in several of the local mountain ranges at subalpine elevations. Its range may extend into Nevada and Oregon. This is a perennial herb growing from a woody caudex to a maximum height anywhere between 10 centimeters and one meter. The stems are mainly erect and are coated in woolly fibers and resin glands. The abundant hairy, glandular leaves are lance-shaped to oval, pointed, and smooth or toothed along the edges. They are up to 5 centimeters long. The inflorescence holds several discoid flower heads which are packed with long yellow disc florets and lack ray florets. They are lined with hairy, glandular phyllaries. The fruit is a hairy achene.