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Published In: Synoptical Flora of North America 1(2): 156. 1884. (Syn. Fl. N. Amer.) Name publication detailView in Biodiversity Heritage LibraryView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 8/11/2017)
Acceptance : Accepted
Project Data     (Last Modified On 7/9/2009)
Status: Native

 

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8. Solidago gattingeri Chapm.

Pl. 242 c, d; Map 997

Plants with the rootstock usually relatively short, stout, vertical to horizontal, and branched, not producing rhizomes. Stems 1 to few, 30–80(–100) cm long, erect or ascending, with several fine, longitudinal lines or grooves, glabrous below the inflorescence (sparse, short hairs occasionally present along the inflorescence branches), not shiny, not glaucous, the nodes usually lacking clusters of leaves in the axils of the main leaves. Leaves basally disposed and often persistent at flowering (additional rosettes sometimes present adjacent to the flowering stem). Basal and lowermost stem leaves with the blade 8–17 cm long, 1–2 cm wide, mostly 7–10 times as long as wide, narrowly oblanceolate to oblanceolate, somewhat thickened and stiff, tapered gradually to the winged petiole at the base, angled to a sharply pointed tip, the margins entire or finely and sharply toothed, minutely hairy, the surfaces glabrous, the undersurface with 3 main veins, the lateral pair much finer than the midvein, the veinlets usually easily observed, forming an irregular, dense network. Median and upper stem leaves 1–6 cm long, narrowly oblanceolate to narrowly elliptic or nearly linear, sessile or short-petiolate, often with only 1 main vein, otherwise similar to the lower stem leaves. Inflorescences relatively dense, narrow to more commonly broad, pyramidal panicles, the longer branches and often also the tip arched or nodding, the heads oriented upward along the branches. Involucre 3–5 mm long, the bracts in 3 or 4 unequal series. Involucral bracts oblong-ovate to narrowly lanceolate and rounded or bluntly pointed (those of the outer series often sharply pointed) at the appressed-ascending tip, the margin sparsely hairy toward the tip, the outer surface glabrous, usually entirely yellowish but occasionally with a poorly differentiated, greenish yellow central region above the midpoint, the midvein somewhat thickened and keeled, and no additional veins present. Receptacle naked. Ray florets 5–8, the corollas 2–3 mm long, yellow. Disc florets 3–9, the corollas 3–4 mm long, the lobes 0.5–0.8 mm long, yellow. Pappus 2–3 mm long, some of the bristles slightly thickened toward the tip. Fruits 1.5–2.0 mm long, obovoid, glabrous or less commonly sparsely hairy. 2n=18. July–October.

Scattered in the Ozark and Ozark Border Divisions (Missouri to Arkansas and Tennessee). Calcareous glades and rock outcrops in upland prairies; rarely also roadsides.

This species has an odd distribution, occurring in glades of the northern half of the Ozarks and in the cedar barrens of Tennessee.

 


 

 
 
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