Difference between revisions of "Rudbeckia graminifolia"
Biltmore Bot. Stud. 1: 12. 1901.
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|name=Echinacea atrorubens var. graminifolia | |name=Echinacea atrorubens var. graminifolia | ||
|authority=Torrey & A. Gray | |authority=Torrey & A. Gray | ||
| + | |rank=variety | ||
|publication_title=Fl. N. Amer. | |publication_title=Fl. N. Amer. | ||
|publication_place=2: 306. 1842 | |publication_place=2: 306. 1842 | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Rudbeckia graminifolia | name=Rudbeckia graminifolia | ||
| − | |||
|authority=(Torrey & A. Gray) C. L. Boynton & Beadle | |authority=(Torrey & A. Gray) C. L. Boynton & Beadle | ||
|rank=species | |rank=species | ||
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|publication year=1901 | |publication year=1901 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V21_117.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Rudbeckiinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Rudbeckiinae | ||
Revision as of 20:33, 16 December 2019
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.
Phenology: Flowering spring–fall.
Habitat: Wet, sandy flatwoods sites
Elevation: 0–30 m
Discussion
Rudbeckia graminifolia grows in the Apalachicola region.
Selected References
None.