Bidens tripartita(synonym of Bidens connata) |
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three-lobed beggars-ticks |
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Ray florets | usually 0, rarely 5–8; rays 5–14 mm, yellow. |
Disc florets | 10–100+; corollas yellow or orange, 3–5 mm. |
Fruits | obovate or wedge-shaped, 3–10 mm; flat or 3–4-angled, glabrous or minutely hirsute, pappi of 2–4 retrorsely barbed awns, 1–3(6) mm. |
4–5+, usually erect, sometimes spreading and foliaceous, margins entire or setose proximally; inner 5–10 mm, glabrous. | |
2n | =48. |
Bidens tripartita |
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Distribution | |
Discussion | Riverbanks, ponds, marshes, bogs, weedy sites. Flowering Aug–Oct. 0–700 m. Casc, Col, CR, Est, WV. CA, WA; north to AK, northeast to Quebec, east to Nova Scotia, southeast to GA, south to Mexico; Africa, Asia, Australia, Europe. Native. |
Source | Flora of Oregon, volume 2, page 203 Kenton Chambers |
Sibling taxa | |
Synonyms | Bidens connata |
Web links |
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