Bidens pilosa

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Bidens pilosa

http://media.bgbm.org/erez/erez?src=EditWP6/zypern/photos/Bidens_pilosa_B1.jpg

Status

Naturalized invasive (NA)

Endemism

not endemic

Distribution

Map
Division 1naturalized invasiveA
Division 2naturalized invasiveB
Division 3naturalized invasiveB
Division 5naturalized invasiveC
Division 6naturalized invasiveC
A. Hand, R., Further noteworthy records of vascular plants in Cyprus (1997–2018) and some status clarifications in Cypricola 12: 1-17. 2019, B. R. Hand, Supplementary notes to the flora of Cyprus IV. in Willdenowia 34. 2004, C. A. Della & G. Iatrou, New plant records from Cyprus in Kew Bull. 50. 1995

Altitudinal range

0150 mD,E
D. A. Della & G. Iatrou, New plant records from Cyprus in Kew Bull. 50. 1995, E. R. Hand, Supplementary notes to the flora of Cyprus IV. in Willdenowia 34. 2004

Description

Annual, 30-150 cm, glabrous or sparingly hairy. Stems weak, branched. Leaves petiolate, pinnate with 3-5 leaflets; leaflets ovate, serrate; terminal leaflet petiolulate, lateral leaflets sessile or decurrent. Heads about 1 cm in diameter, discoid or with very short white ray-florets; disc-florets yellow. Outer involucral bracts oblong, connate at base; inner bracts longer and broader. Achenes linear-tetragonal, 8-10 x 1 mm, ribbed, minutely tuberculate and sparsely strigulose; marginal achenes shorter, compressed. Pappus-awns 2-4.

Source: Feinbrun-Dothan N. 1978: Flora Palaestina 3. - Jerusalem.