Echinocystis lobata wild cucumber Cucurbitaceae  ECLO; Bx, br, bz, pb, sf; Q, a, cu, i; R, cs, hs;

Echinocystis lobata plant. By Bruce Patterson. Copyright © 2018 Bruce Patterson. New England Wild Flower Society. gobotany.newenglandwild.org

Echinocystis lobata plant in bloom. By Bruce Patterson. Copyright © 2018 Bruce Patterson. New England Wild Flower Society. gobotany.newenglandwild.org (Accessed 4/2018).

Echinocystis lobata seedling. 2013 © Peter M. Dziuk. Minnesota Wildflowers. minnesotawildflowers.info

Echinocystis lobata seedling. 2013 © Peter M. Dziuk. Minnesota Wildflowers. minnesotawildflowers.info (Accessed 4/2018).

Echinocystis lobata is an annual vine with 3-forked, tightly coiled tendrils, stems usually not hairy (Uva et al. 1997).

Echinocystis lobata leaves. By Donald Cameron. Copyright © 2018 Donald Cameron. New England Wild Flower Society. gobotany.newenglandwild.org

Echinocystis lobata leaves. By Donald Cameron. Copyright © 2018 Donald Cameron. New England Wild Flower Society. gobotany.newenglandwild.org (Accessed 4/2018).

Leaves alternate, deeply 5-lobed, lobes, triangular lobes, tips sharply pointed, veins palmate, hairy on upper surface, typical of squash-family leaves; seedling leaves large, fleshy, oval conspicuous on bare soil of floodplain woodlands.

Echinocystis lobata male flowers. 2002 © Peter M. Dziuk. Minnesota Wildflowers. minnesotawildflowers.info

Echinocystis lobata male flowers. 2002 © Peter M. Dziuk. Minnesota Wildflowers. minnesotawildflowers.info (Accessed 4/2018).

Echinocystis lobata female flower. ex W. H. Wagner slide collection. Herbarium University of Michigan. michiganflora.net

Echinocystis lobata female flower. ex W. H. Wagner slide collection. Herbarium University of Michigan. michiganflora.net (Accessed 4/2018).

Flowers small, white, 6-parted, radially symmetrical, sexes separate on same plant (monoecious), male flowers 0.8-1 cm wide, petal lobes 6, long-pointed, in branched, axillary clusters about 35 cm long, fairly conspicuous and showy collectively; female flowers one or few, in same axils; blooming and fruiting June-Sept.

Fruit becoming dry, oval, 3-5 cm, gourd-like, covered with short, weak spines, fleshy at first then drying to papery, wrinkled texture outside, inner flesh drying to a white fibrous network (Levine 1995), 2-chambered; 4 dark seeds, flattened, about 1.5 cm long.

Wetland status: FAC.

Frequency in NYC: Infrequent.

Echinocystis lobata fruit. B. S. Walters. Herbarium University of Michigan. michiganflora.net

Echinocystis lobata fruit. B. S. Walters. Herbarium University of Michigan. michiganflora.net (Accessed 4/2018).

Origin: Native.

Habitat: Moist open areas, edges, borders, fences, climbing on other vegetation.

Echinocystis lobata winter plant. 2003 © Peter M. Dziuk. Minnesota Wildflowers. minnesotawildflowers.info (Accessed 4/2018).

Notes: Usually less common than Sicyos angulata, our other native member of the Cucurbitaceae (Uva et al 1997).