Difference between revisions of "Bidens polylepis"
Proc. Biol. Soc. Wash. 35: 78. 1922.
FNA>Volume Importer |
imported>Volume Importer |
||
| (2 intermediate revisions by 2 users not shown) | |||
| Line 6: | Line 6: | ||
|place=35: 78. 1922 | |place=35: 78. 1922 | ||
|year=1922 | |year=1922 | ||
| + | }} | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
}} | }} | ||
|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
| Line 54: | Line 58: | ||
|publication title=Proc. Biol. Soc. Wash. | |publication title=Proc. Biol. Soc. Wash. | ||
|publication year=1922 | |publication year=1922 | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V21_521.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Coreopsidinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Coreopsidinae | ||
Latest revision as of 21:12, 5 November 2020
Annuals (biennials), 30–100+ cm. Leaves: petioles 5–30 mm; blades ± deltate to ovate overall, 40–80(–150+) × 25–50(–80+) mm, usually laciniately 1-pinnatisect, ultimate lobes 3(–7), lanceolate to linear, 25–60(–120+) × (3–)6–20(–25) mm, bases cuneate, ultimate margins incised, dentate, or serrate, ciliate, apices acute to attenuate, faces glabrous or hirtellous to scabrellous. Heads borne singly or in 2s or 3s or in open, ± corymbiform arrays. Peduncles 10–20(–50) mm. Calyculi of 12–21+ spreading to reflexed, linear, seldom foliaceous bractlets (6–)8–12(–20+) mm, margins coarsely ciliate, abaxial faces glabrous or scabrellous. Involucres turbinate to hemispheric, 4–5 × 6–10 mm. Phyllaries 6–8+, lance-ovate to lanceolate, 4–7 mm. Ray florets 8; laminae golden yellow, 10–25+ mm. Disc florets (40–)60–100+; corollas yellow, 2.5–3 mm. Cypselae blackish or brown to yellowish, ± flattened, obovate or oblanceolate to cuneate, outer 5–7 mm, inner 7–8 mm (lengths mostly 1.5–2.5 widths), margins (± corky-winged) antrorsely barbed or ciliate, apices ± truncate, faces glabrous or strigillose, sometimes tuberculate; pappi 0, or of 2 divergent, retrorsely barbed awns or ± deltate scales 0.1–0.5(–1.5) mm. 2n = 24.
Phenology: Flowering Aug–Oct.
Habitat: Marshes, bogs, flood plains, disturbed sites
Elevation: 10–1500 m
Distribution
Ont., Ala., Ark., Colo., Ill., Ind., Iowa, Kans., La., Md., Mich., Mo., Nebr., N.J., N.Mex., N.C., Okla., Pa., S.C., Tenn., Tex., Va.
Discussion
Selected References
None.