Sanguinaria canadensis bloodroot Papaveraceae SACA2; Bx, pb, rd (D. Burg 2016), vc (C. Liriano 2017) , wv (Yost et al. 1991); NY, iw; Q, a; K; R, lt, gb;


Sanguinaria canadensis.3.3.2010

Sanguinaria canadensis.M. B. Gargiullo (2010).

Sanguinaria canadensis is perennial summer green herb,   (Hicks and Chabot 1985), slowly colonial from stout rhizomes, roots associated with VA mycorrhizas (Brundrett and Kendrick 1988); sap orange-red. 

Leaves emerge after flowers, about 6 lobed, pale green, 20-40cm at maturity, stem from center; a summer green herb, leaves live 20 weeks (Hicks and Chabot 1985). 

Flowers white, 2-5 cm wide, 8-12 petals, stamens yellow, no nectar production, bee or self-pollinated (autogamous), (Lyon 1992); most visits by honey bees, bombyliid flies also some other bees and a syrphid fly (Schemske et al. 1978; Motten 1986); March-April. 

Sanguinaria canadensis fruit & seeds. Bluetooth Hollow.

Sanguinaria canadensis fruit & seeds. Bluetooth Hollow. (Accessed 4/2017).

Fruit a capsule, 3-5 cm long, seeds with fatty attachments (elaiosomes), ant dispersed; ants probably including genera: Aphaenogaster (A. rudis), MyrmicaFormica and Lasius (Beattie & Culver 1981; Handel et al. 1981). 

Wetland status: UPL. 

Frequency in NYC: Infrequent. 

Origin: Native. 


Sanguinaria_canadensis,_Sault_Ste_Marie_2. (Accessed 3/2015).

Habitat: Interiors of undisturbed forests. Requires at least 0.2% sunlight in order to survive (compensation point), but cannot use more than 5.0% full sunlight (saturation point) (Hicks and Chabot 1985). 

Notes: Dispersal to and establishment in new sites in successional forest, contiguous to old regrowth stands has been calculated at a rate of 1.60 m/yr. (Matlack 1994).