WRIGHT’S BACCHARIS
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File Size: 243 KB |
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Baccharis wrightii A. Gray
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Grant County, Kansas (Marion McGlohon photo) |
Perennial |
Height: 4-32 inches |
Family: Asteraceae – Sunflower or Composite Family |
Flowering Period: August, September |
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Stems: | | Erect, much-branched from woody base, glabrous. | Leaves: | | Alternate, cauline, lower leaves often withering early; petiole absent; blade oblanceolate to narrowly oblong or linear, 1/5 to 4/5 inch long, 1/25 to 1/4 inch wide, bases tapered, margins entire or finely serrate, surfaces glabrous, not gland-dotted. | Inflorescences: | | Heads conspicuous, usually borne singly, terminal on slender branches, staminate and pistillate heads on separate plants. Pistillate and staminate involucres bell-shaped to hemispheric, pistillate 1/8 to 1/5 inch, staminate 1/5 to 1/8. Phyllaries narrowly lanceolate, 1/12 to 1/4 inch, tips acute or acuminate. | Flowers: | | Staminate florets 20-30; corolla whitish, 1/6 to 1/4 inch, filiform. Pistillate florets 20-30; corolla whitish, 1/8 to 1/5 inch, filiform-tubular. | Fruits: | | Achenes tan, obovoid to cylindric, 1/8 to 1/5 inch, slightly compressed, strongly 5-10-nerved, glandular-scabrous; pappus of 25-50 barbellate bristles, 3/5 to 4/5 inch long; bristles reddish brown. | Habitat: | | Dry, sandy shortgrass and sandsage prairies | Distribution: | | Southwest 1/4 of Kansas | Origin: | | Native | Comments: | | Subshrub; dioecious. Wright’s baccharis has a bushy habit. See also Baccharis salicina .
Baccharis for the Roman god Bacchus and wrightii for Charles Wright, an American botanist who collected in Texas. |
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Wright’s baccharis | | 286 KB | Grant County, Kansas (Marion McGlohon photo) |
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