Rumex hastatulus.Ted Bodner @ USDA-NRCS PLANTS Database.James H. Miller and Karl V. Miller. 2005.Forest plants of the southeast and their wildlife uses. University of Georgia Press., Athens (Accessed 4/2014).

Rumex hastatulus is a perennial herb to 1 m tall from a thick, woody root; stems branched from base Stipule (ocrea) membranous sleeve-like around stem above leaf stalk (Flora of North America 1993+). 

Leaves alternate, mostly basal, long-stalked, (much like those of R. acetosella), narrowly arrow-shaped, with two narrow, divergent basal lobes, often unequal, central lobe much larger, oblong, narrow. See Flora of North America (1993+). 

Flowers greenish to reddish, sexes on different plants (dioecious), male flowers to 0.15 cm, female flowers with appressed edges of petals (valves) forming wings, valves broadly heart-shaped, base lobed, tip rounded; inflorescence to 30 cm long. 

Fruit dry, 1-seeded to 0.35 cm long; seeds brown 0.15 cm; Blooming and fruiting June-Aug. 

Wetland status: UPL. 

Frequency in NYC: Rare, NYS Endangered (USDA, NRCS 2010). 

Origin: Native. 

Habitat: Sandy soil of coastal plain.