Aristolochia tomentosa Sims
  • Bot. Mag.
  • Pipevine

Cite taxon page as 'WFO (2020): Aristolochia tomentosa Sims. Published on the Internet; Accessed on: 07 Apr 2020'

General Information

Lianas , twining, to 25 m, woody. Young stem ribbed, tomentose. Leaves: petiole 1-5.5 cm. Leaf blade ovate to reniform, 9-20 × 8-15 cm, base cordate, sinus depth 1-2 cm, apex obtuse to acute; surfaces abaxially tomentose; venation palmate-pinnate. Inflorescences on new growth, axillary, solitary flowers; peduncle not bracteolate, 1-7 cm. Flowers: calyx yellow-green, sharply bent; utricle pendent, globose to cylindric, 0.5-1 × 0.5-0.8 cm; syrinx absent; tube bent, cylindric, 1-3 × 0.5 cm; annulus rugulose; limb yellow, 3-lobed, lobes triangular, 2 × 2 cm, glabrous; gynostemium 3-lobed, globose, 3 mm; anthers 6; ovary 6-locular, 1-7 cm. Capsule ellipsoid to cylindric, 6-8 × 4-6 cm, dehiscence basipetal; valves 3; septa entire, not attached to valves. Seeds flat, triangular, 1 × 1 cm. 2 n = 28.

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

    "High-climbing woody twiner; lvs broadly round-cordate, 1–2 dm long and wide, softly hairy beneath, peduncles axillary, solitary or paired, 2–4 cm, densely tomentose, bractless; perianth bent, 4 cm, densely tomentose, nearly closed at the throat, the limb dark madder-purple, spreading to reflexed, subequally 3-lobed; fr cylindric, 6–8 cm; 2n=28. Wet, alluvial woods; s. Ind. to se. Kans., s. to Ga., nw. Fla., and Tex.; locally intr. in Mass. June."

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

    Other Local Names



     Information From

    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    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.
    • B Flora of North America Association
    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.
    • C Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    World Flora Online consortium
    World Flora Online Data. 2018.
    • D CC0 1.0 Universal (CC0 1.0).