Difference between revisions of "Ratibida peduncularis"
Bull. Torrey Bot. Club 24: 411. 1897.
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|common_names=Naked prairie coneflower or Mexican-hat | |common_names=Naked prairie coneflower or Mexican-hat | ||
| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Lepachys peduncularis | |name=Lepachys peduncularis | ||
|authority=Torrey & A. Gray | |authority=Torrey & A. Gray | ||
| + | |publication_title=Fl. N. Amer. | ||
| + | |publication_place=2: 315. 1842 | ||
}} | }} | ||
|synonyms= | |synonyms= | ||
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|publication year=1897 | |publication year=1897 | ||
|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/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V19-20-21/V21_136.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Rudbeckiinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Rudbeckiinae | ||
Revision as of 18:47, 24 September 2019
Perennials, to 115+ cm; taprooted. Leaves 1.6–14 × 1–6.5 cm, 2-pinnatifid to lyrate-pinnate, lobes 3–10, narrowly linear-lanceolate to narrowly ovate, 0.8–4.5 mm wide, faces hirsute and gland-dotted. Heads 1–12+, held well beyond leaves. Peduncles 14–45+ cm (ribs tan, prominent). Phyllaries 7–14, outer linear, 6–12 × 0.8–1.5 mm, inner lance-ovate, 1–5 × 0.8–1.5 mm. Paleae 3–4.3 × 1.5–3 mm, resin glands oval, 1–1.8 mm. Ray florets 4–14; corollas yellow, purplish yellow, or maroon, often bicolor (maroon/yellow), laminae mostly ovate to elliptic, 5–15 × 4–12 mm. Discs columnar, 15–70 × 8–13 mm. Disc florets 200–400+; corollas greenish yellow, often purplish distally, 2.5–3 mm; style branches ca. 1.8 mm, proximal 1/2 stigmatic, apices subulate. Cypselae oblong, 2.3–5 × 1.2–3 mm, abaxial margins narrowly winged to fimbriate or pectinate-fimbriate, adaxial margins pectinate-fimbriate; pappi (tan) of 1–2 toothlike projections.
Distribution
sc United States, ne Mexico.
Discussion
Varieties 2 (2 in the flora).
Selected References
None.
Key
| 1 | Leaves 2-pinnatifid; cypselae pectinate-fimbriate (both margins) | Ratibida peduncularis var. peduncularis |
| 1 | Leaves lyrate-pinnate; cypselae pectinate-fimbriate (adaxial margins) | Ratibida peduncularis var. picta |