Aristolochia serpentaria L.
  • Sp. Pl.
  • Virginia snakeroot

Cite taxon page as 'WFO (2020): Aristolochia serpentaria L. Published on the Internet; Accessed on: 26 Nov 2020'

General Information

Herbs , erect to decumbent, to 0.6 m. Young stem ridged, glabrous to hispid. Leaves: petiole 0.5-3.5 cm. Leaf blade lanceolate to ovate, 5-15 × 1-5 cm, base truncate to cordate, sinus depth 0-1.5 cm, apex acute to acuminate; surfaces abaxially glabrous or hispid; venation pinnate. Inflorescences from base of stem, an additional flower in axil of stem leaf, racemes; peduncle bracteolate, to 1.5 cm; bracteoles lanceolate, to 3 mm. Flowers: calyx brown-purple, bent; utricle pendent, pear-shaped to ovoid, 0.5-5 cm; syrinx present, ringlike, 1 mm, oblique; tube bent, cylindric, 1 cm; annulus smooth; limb purplish brown, 3-lobed, lobes 0.5 × 0.5 cm, glabrous; gynostemium 3-lobed, globose to crown-shaped, 1.5 mm; anthers 6; ovary 3-locular, to 1.5 cm. Capsule globose, 0.8-2 × 1-2 cm, dehiscence basipetal; valves 6; septa absent. Seeds rounded, ovate, 0.5 × 0.4 cm. 2 n = 28.

  • Provided by: [C].Flora of North America @
    • Source: [
    • 1
    • ]. 

    "Stems erect from a rhizome, to 6 dm, thinly hairy; lvs ovate to oblong or nearly linear, acuminate, truncate to sagittate or cordate at base, 6–12 cm; lower lvs reduced to scales; fls solitary on slender, scaly peduncles from the lowest nodes; perianth S- shaped, enlarged at base and summit, 1–2 cm, the spreading limb madder-purple, unequally or indistinctly 3-lobed; 2n=28. Moist or dry upland woods; Conn. and s. N.Y. to s. Mich., Ill. and Mo., s. to Fla. and Tex. May, June."

  • Provided by: [B].New York Botanical Garden
    • Source: [
    • 2
    • ]. 

    Other Local Names

    Virginia snakeroot


     Information From

    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    New York Botanical Garden
    Descriptions of plants should be attributed to the full citation for each individual article, chapter or book that is the source for each record, which should include the authors of original publication.
    • B Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    Flora of North America @
    'Flora of North America @ eFloras (2008). Published on the Internet [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • C Flora of North America Association
    World Flora Online consortium
    World Flora Online Data. 2018.
    • D CC0 1.0 Universal (CC0 1.0).