This section is from the book "An Illustrated Flora Of The Northern United States, Canada And The British Possessions Vol3", by Nathaniel Lord Britton, Addison Brown. Also available from Amazon: An Illustrated Flora of the Northern United States, Canada and the British Possessions. 3 Volume Set..
Fleshy, more or less canescent, branching shrubs of the sea-coast, with opposite entire or denticulate, cuneate oblong spatulate or obovate, 1-3-nerved leaves, and terminal large long-peduncled heads of both tubular and radiate yellow flowers. Involucre hemispheric, its bracts slightly unequal, imbricated in 2 or 3 series, the inner ones coriaceous. Receptacle convex, chaffy, the chaff rigid, concave, subtending or enwrapping the disk-flowers. Ray-flowers pistillate, fertile. Disk-flowers perfect, the corolla tubular, 5-toothed, the style-branches elongated, hispid. Anthers dark-colored, entire at the base, or minutely sagittate. Achenes of the ray-flowers 3-sided, those of the disk-flowers 4-sided. Pappus a short dentate crown. [Named for Olaf Borrick, a Danish botanist.]
About 5 species, natives of America. In addition to the following typical one, another occurs in South Florida.
Buphthalmum frutescens L. Sp. Pl. 903. 1753. Borrichia frutescens DC. Prodr. 5: 488. 1836.
Finely canescent, even when old; stems terete, sparingly branched, 1°- 4° high. Leaves mostly erect or ascending, lanceolate, spatulate or obovate, obtuse or acutish and mucronulate at the apex, fleshy, tapering to the sessile base, somewhat connate, 1' - 3' long, 2"- 7' wide; heads solitary or few, about 1' broad; rays 15-25, rather short; exterior bracts of the involucre ovate and somewhat spreading, the inner ones and the chaff of the receptacle cuspidate.
Sea-coast, Virginia to Florida and Texas. Also on the coasts of Mexico and in Bermuda. April-Oct.