EcoFlora - Rudbeckia graminifolia

Rudbeckia graminifolia (Torr. & A. Gray) C.L. Boynt. & Beadle (redirected from: Echinacea atrorubens var. graminifolia )
Family: Asteraceae Grass-Leaf Coneflower [Echinacea atrorubens var. graminifolia] University of Florida Herbarium	FNA Resources Lowell E. Urbatsch, Patricia B. Cox in Flora of North America (vol. 21) Perennials, to 80 cm (roots fibrous). Stems moderately strigose (hairs ascending). Leaves: blades narrowly lanceolate to elliptic (grasslike, lengths 10+ times widths, not lobed), herbaceous, bases attenuate, margins entire, apices acute, faces glabrous or sparsely hirsute; basal petiolate or sessile, 10-25 × 0.5-1 cm; cauline sessile, 1-25 × 0.2-1 cm (distal smaller), bases attenuate. Heads mostly borne singly. Phyllaries to 1 cm (spreading to reflexed). Receptacles hemispheric to ovoid; paleae 4-5 mm, (apical margins glabrous) apices acuminate-cuspidate, awn-tipped, abaxial tips sparsely strigose. Ray florets 8-16; corollas orangish red to maroon, laminae elliptic to obovate, 10-25 × 3-6 mm, abaxially sparsely strigose. Discs 10-15 × 8-15 mm. Disc florets 50-300+; corollas proximally maroon, distally brown-purple, 3.9-4.4 mm; style branches ca. 1.8 mm, apices obtuse to rounded. Cypselae 2-3 mm; pappi coroniform, to 0.5 mm. 2n = 38. Flowering spring-fall. Wet, sandy flatwoods sites; 0-30 m; Fla. Rudbeckia graminifolia grows in the Apalachicola region.
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