Aristolochia macrophylla Lam.
  • Encycl.
  • Dutchman's-pipe

Cite taxon page as 'WFO (2020): Aristolochia macrophylla Lam. Published on the Internet; Accessed on: 14 Aug 2020'

General Information

Lianas , twining, to 20 m, woody. Young stem ribbed, glabrous. Leaves: petiole 4-6 cm. Leaf blade reniform, 7-34 × 10-35 cm, base cordate, sinus depth 1-4.5 cm, apex obtuse to acute or acuminate; surfaces abaxially glabrous to slightly puberulent; venation palmate-pinnate. Inflorescences on new growth, axillary, solitary flowers; peduncle bracteolate, 3-7 cm; bracteoles reniform, to 15 mm. Flowers: calyx yellow-brown marked with red-brown, strongly curved; utricle pendent, globose to cylindric, 0.5-1.5 × 0.8-1 cm; syrinx absent; tube curved or bent and angled upward, cylindric, 1-3 × 0.3-0.5 cm; annulus smooth; limb yellow to brown, 3-lobed, lobes 1.5-2 × 1.5-2 cm, glabrous; gynostemium 3-lobed, globose to crown-shaped, 4 mm; anthers 6; ovary 3-locular, 3-7 cm. Capsule ovoid to cylindric, 6-8 × 4-10 cm, dehiscence basipetal; valves 6; 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, 1–4 dm long and wide, glabrous, or minutely hairy beneath; peduncles solitary or few together in the axils, glabrous, very slender, bearing near the middle a cordate-clasping, foliaceous bract 1–2 cm wide; perianth glabrous, strongly bent, 4 cm, much dilated at base, gradually narrowed to the throat, the limb dark madder-purple, 2.5 cm wide, subequally 3-lobed; fr cylindric, 5–8 cm. Rich mt. woods; Appalachian region from s. Pa. to n. Ga.; cult. and escaped northward. June. (A. durior, probably misapplied)"

  • 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).