Aquatic and Wetland Vascular Plants of the Northern Great Plains

Solidago L. -- Goldenrod

Erect perennials, rhizomatous or clumped from a thick caudex. Leaves simple, alternate, entire or toothed, sessile or the lower ones petiolate. Heads radiate, rather small and usually numerous, in a paniculiform, corymbiform or capitate inflorescence; involucres campanulate to turbinate, the bracts in few to several series, imbricate, more or less herbaceous, green-tipped with a chartaceous base; receptacle small, flat or convex, naked; ray florets pistillate, with a yellow ligule; disk florets perfect, their corollas yellow; style branches flattened, puberulent. Achenes subterete or angled, several-nerved; pappus of numerous white capillary bristles.

Reference:

Croat, T. B.  1967.  The genus Solidagothe north central Great 	
     Plains (U.S.A.).  Unpubl.  Ph.D. thesis, Univ. Kans., Lawrence.

Lead	Characteristic	Go To
1	Involucres 2-4.5 mm high; cauline leaves flat, not clasping.	S. gigantea
1	Involucres 5-6 mm high; cauline leaves conduplicate and clasping the stem.	S. riddellii

49. Asteraceae, the Aster Family

16. Solidago L. -- Goldenrod

1. Solidago gigantea Ait. -- Late goldenrod

2. Solidago riddellii Frank -- Riddell's goldenrod

Return to Family -- Asteraceae - The Aster Family
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