Compilation
Bidens formosa

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Name

Identification
Bidens formosa (Bonato) Sch.Bip. [family ASTERACEAE ]
Related name
  • Bidens formosa

Flora

Entry for Cosmos bipinnatus Cav. [family COMPOSITAE]
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora of Tropical East Africa
Resource Type
Reference Sources
Entry From
Flora of Tropical East Africa, Part Part 3, page 547, (2005) Author: H. Beentje, C. Jeffrey & D.J.N. Hind
Names
Cosmos bipinnatus Cav. [family COMPOSITAE], Ic. 1: 10, t. 14 (1791); D.J.N. Hind in Fl. Masc. 109: 199 (1993). Type: from a plant from Mexico cultivated at Madrid (MA, ?holo)
Coreopsis formosa Bonato [family COMPOSITAE], Pisaura autom. Coreopsis formosa: 22, t. 2 (1793). Type: the illustration in Bonato (iconotype)
Bidens formosa (Bonato) Sch.Bip. [family COMPOSITAE], in Seemann, Bot. Voy. Herald: 307 (1856); Wild in Kirkia 6: 32 (1967); Lisowski, Asterac. Fl. Afr. Centr. 1: 172 (1991)
Information
Annual herb, erect, 0.6–1.3 m high. Leaves pinnatisect, 6–11 cm long, 3–5 cm wide, the segments linear, 0.4–1.2 mm wide. Capitula solitary or in few-headed cymes; peduncle 1.5–20 cm long. Ray florets 8, pink, white or red; ray 25–40 mm long; disc florets many, yellow, 6–7 mm long. Achenes 7–16 mm long, the beak 1–6 mm long; pappus of two aristae, 1–1.5 mm long.
Range
DISTR. K 3–5, 7; T 3, 7 originally from tropical America, now a common tropical ornamental which becomes sub-naturalised
Distribution
KENYA Baringo District Maji Moto, Oct. 1978, Vincent 213TANZANIA Lushoto District Lushoto, July 1971, Mbailwa 84!
Notes
USES.None recorded on specimens from our areaCONSERVATION Least concern (LC)

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