Hypericum mutilum dwarf St. John’s-wort Clusiaceae HYMU; Bx, pb (DeCandido 2001); Q, cu, j, ri; R (DeCandido 2001);


Hypericum mutilum.commons.wikimedia.org

Hypericum mutilum.commons.wikimedia.org (Accessed 1/2016).

Hypericum mutilum is a perennial (sometimes an annual) herb, 10-80 cm tall, much branched above. 

Leaves opposite, egg- to lance shaped, 1-4 cm long, tip blunt, base broad, rounded, partially clasping stem, surface speckled with minute, translucent glands (hold up to light), veins 3-5. 

Flowers yellow, petals 0.2 cm long cm, sepals persistent about as long as fruit, stamens 5-16, styles 3, minute; inflorescence widely much-branched, with small bract-like linear leaves 0.1-0.4 cm long; blooms and fruits July-Sept. 

Fruit capsule green becoming dry, elliptic, 0.2-0.3 cm long. 

Wetland status: FACW. 

Frequency in NYC Infrequent. 

Origin: Native. 

Habitat: Wet, open soil, pond edges.