Sanicula marilandica black snakeroot Apiaceae SAMA; Bx, pb; Q, f; R;


Sanicula marilandica.New England Wild Flower

Sanicula marilandica. Frank Bramley.Copyright © 2015 New England Wild Flower (Accessed 4/2014).

Sanicula marilandica is a perennial herb, 0.3-1.2 m tall from a thick rhizome. 

Leaves 5-7 palmately divided, 10-30 cm across, thicker than those of SAGR, leaflets 5,doubly serrate, widest above middle, sharply, finely toothed, basal leaves long stalked, upper leaves sessile. 

Flowers greenish-white, of 2 kinds, perfect, bur-like flowers in 3’s, styles longer than bristles, with tiny white staminate flowers interspersed in irregular, small umbels, sepals linear, 1-1.5 mm; June-Aug.. 

Fruit a dry bur-like, aggregate of many small individual fruits, densely covered with hooked bristles, 0.4-0.6 cm, base narrowed, with smaller bristles, stalkless; dispersed by adhesion to fur or clothing. 

Sanicula (Accessed 2/2017).

Wetland status: UPL. 

Frequency in NYC: Very infrequent. Origin:


Habitat: Dry woods. 

Notes: Dispersal to and establishment in new sites in successional forest, contiguous to old regrowth stands has been calculated at a rate of 1.50 m/yr. (Matlack 1994).