Associations
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In Great Britain and/or Ireland:
Foodplant / parasite
Golovinomyces orontii parasitises live Solidago petiolaris
Comments
provided by eFloras
Late Aug–Oct(–Nov). Woods and open places, especially sandy soils; 0–1400[–2300] m
; Ala., Ark., Fla., Ga., Ill., Kans., La., Mo., Nebr., N.Mex., N.C., Okla., S.C., Tex.; Mexico (Coahuila).
Solidago petiolaris is reported from Colorado but that report has not been confirmed. G. L. Nesom (1990j) discussed variation in the species and mapped the distribution. It is variable in leaf and phyllary shape and indument. Although several varieties have often been recognized in floras, the characters used to distinguish them form continua of variation that do not break into distinct groupings. Several general trends are worth noting. Plants in the Ozarks often have very resinous leaves; that does not appear to correlate with phyllary indument traits. Phyllary pubescence varies in a continuous fashion as well, with the numbers and distribution of hairs not breaking into discontinuous ranges. Diploids are known from throughout the range; one report of a tetraploid comes from North Carolina. Two reports of tetraploids from Florida were based on misidentified specimens. Plants with compact short arrays approach S. wrightii in this trait.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
provided by eFloras
Plants 40–150 cm; caudices stout, sometimes with long slender rhizomes. Stems 1–20(–50+), stout, finely puberulent or scabrous-puberulent at least distally. Leaves: basal absent at flowering; cauline sessile to short-petiolate; blades usually lanceolate-elliptic or ovate, sometimes linear-lanceolate, 30–150 × 5–30 mm, thick and firm, margins entire or few toothed, somewhat to much reduced distally, abaxial faces sometimes resinous and shiny, glabrous or strigillose (hairs mostly 0.1–1.4 mm), adaxial glabrous or scabrous. Heads 10–190+ in paniculiform (rarely racemiform) arrays, usually elongate, usually leafy-bracteate, bracts similar to distal leaves but reduced; branches stiffly ascending, not secund, sometimes elongate. Peduncles mostly 2–15 mm, bracteolate, sparsely to densely short hispid-strigose. Involucres campanulate, 4.5–7.5 mm. Phyllaries in 3–4 series, unequal, linear-lanceolate, acute to attenuate, ± squarrose-tipped, glabrous or moderately strigose, sparsely to moderately stipitate-glandular, sometimes viscid. Ray florets (5–)7–9; laminae 3–7 × 1–2 mm. Disc florets (8–)10–16; corollas 4–5 mm, lobes ca. 1–2 mm. Cypselae 3–4 mm, glabrous or glabrate; pappi ca. 4 mm. 2n = 18, 36, 54.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Synonym
provided by eFloras
Aster lindheimeranus (Scheele) Kuntze; A. petiolaris (Aiton) Kuntze; Solidago angusta Torrey & A. Gray; S. harperi Mackenzie ex Small; S. lindheimeriana Scheele; S. milleriana Mackenzie ex Small; S. petiolaris var. angusta (Torrey & A. Gray) A. Gray; S. petiolaris var. squarrulosa Torrey & A. Gray; S. petiolaris var. wardii (Britton) Fernald; S. squarrulosa (Torrey & A. Gray) Alph. Wood; S. wardii Britton
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Solidago petiolaris: Brief Summary
provided by wikipedia EN
Solidago petiolaris is a North American species of goldenrod commonly called the downy ragged goldenrod. It is native to the United States and Mexico, in every coastal state from Texas to North Carolina, inland as far as southern Illinois, southern Nebraska, northeastern New Mexico, and Coahuila. Its preferred habitat is sandy areas.
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Solidago petiolaris: Brief Summary
(
Vietnamese
)
provided by wikipedia VI
Solidago petiolaris là một loài thực vật có hoa trong họ Cúc. Loài này được mô tả khoa học đầu tiên năm 1789.
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