Phellodendron amurense Amur corktree Rutaceae PHAM*p; Bx, bg, br, up, vc; NY, ct, hb; Q, f, ft;


Phellodendron (Accessed 8/2014).

Phellodendron (Accessed 8/2014).

Phellodendron amurense is a tree to 15 m. tall,  branching low, bark light gray, with small, prominent pale lenticels, corky on older trees, deeply fissured, under-bark bright yellow or greenish yellow, older twigs yellowish, crushed foliage aromatic-foul-smelling; winter buds 2-scaled, covered with reddish silky hairs, enclosed by base of leaf stalk. 

Leaves opposite, pinnately compound, stalk broad-based leaving a oblong, or horse-shoe-shaped, vaguely 3-lobed scar with bud between upper lobes; blade about 30 cm long, 5-11 leaflets, 8-10 cm long, tip long-pointed (acuminate), base rounded, dark green, shiny above, mostly hairless below, margins entire (Dirr 1990, Rehder 1990). 

Phellodendron,buds & leaves.commons.wikimedia.org_2

Phellodendron,buds & (Accessed 3/2016).

Flowers yellow-green, ca. 0.6 cm long, sexes on separate trees (dioecious), in small branched clusters (panicles) May-June (Dirr 1990, Rehder 1990). 

Fruit black, fleshy, 1 cm wide, rounded, 1-seeded, strong turpentine odor when bruised, persistent through winter, pulp lipid <10%, (White and Stiles 1992), fruit eaten by American robins (Lamont and Young 2002), which disperse seeds (Dirr 1990, Rehder 1990). 

Wetland status: NL. 

Frequency in New York City: Infrequent. 

Origin: China. 

Habitat: Ornamental sometimes escaping and becoming invasive in forest understories, shade tolerant, displaces native shrubs and trees. Found on soil with pH 5.2 (Kruzanski and Kushnir unpublished data).