Northeastern Asian Flora
Log In New Account Sitemap
  • Home
  • Search
    • Search Collections
    • Map Search
  • Images
    • Image Browser
    • Search Images
  • Inventories
  • Interactive Tools
    • Dynamic Checklist
    • Dynamic Key
Bidens tripartita L.   (redirected from: Bidens repens D.Don)
Family: Asteraceae
[Bidens acuta (Wiegand) Britton, moreBidens connata var. comosa A.Gray, Bidens minuscula H.Lév. & Vaniot, Bidens orientalis Velen. ex Bornm., Bidens repens D.Don, Bidens shimadae Hayata, Bidens trifida Buch.-Ham. ex Roxb., Bidens tripartita var. cernuifolia Sherff, Bidens tripartita var. hebecarpa Nakai, Bidens tripartita var. repens (D.Don) Sherff, Bidens tripartita var. shimadae Yamam.]
Bidens tripartita image
  • Japan Flora
  • Resources
Japan Flora: Stems 20-150 cm. long, glabrous, branched; me­dian leaves simple, oblong-lanceolate, or more commonly 3(-5)-parted, the terminal segments larger, oblong-lanceolate, toothed, gradually narrowed at both ends, the lateral seg­ments spreading, the petioles more or less winged, 5-13 cm. long; heads eligulate, the involucral bracts oblanceolate, 1.5- 4.5 cm. long in fruit, the outer chaff oblong, 9-11 mm. long; tubular corollas 4-toothed; achenes 7-11 mm. long, retrorsely spinulose on margin and ribs, the well-developed awns 2, 3-4 mm. long, with 1 or 2 additional imperfect ones at the tip.   Aug.-Oct.

Hokkaido, Honshu, Shikoku, Kyushu. Formosa, Ryukyus, China, Korea, Eurasia to N. Africa, and Australia. 

var. repens (D. Don) Shcrff. Stems 1-40 cm. long; leaves or the segments unequally and coarsely toothed; achenes 65-7.5 mm. long, glabrous; awns 2, 2-3 mm, long, retrorsely spinulose or smooth; Reported in Honshu (Oomi Prov.). Korea, China, India, and Malaysia.

Bidens tripartita
Open Interactive Map
Click to Display
1 Total Images

Development supported by College of Agriculture and Life Sciences of Seoul
National University and Korea National Arboretum of Korea Forest Service.
Powered by Symbiota.