• NSF NEON | Open Data to Understand our Ecosystems
  • Biorepository Data Portal

  • Home
  • Search
    • Sample search
    • Map search
    • Dynamic Species List
    • Taxonomic Explorer
  • Images
    • Image Browser
    • Image Search
  • Datasets
    • Research Datasets and Special Collections
    • Carabidae Checklists with Keys
    • Checklist: Research Sites - Invertebrates
    • Checklist: Research Sites - Plants
    • Checklist: Research Sites - Vertebrates
  • Sample Use
    • Sample Use Policy
    • Sample Request
    • Sample Archival Request
    • Data Usage Policy
  • Additional Information
    • Tutorials and Help
    • Biorepository Staff
    • About NEON
    • NEON Data Portal
    • ASU Biocollections
    • About Symbiota
  • Getting Started
Login New Account Sitemap
Aristolochia macrophylla Lam.  

Explore 1 occurrences

Family: Aristolochiaceae
pipevine
[Aristolochia durior Hill, moreIsotrema macrophyllum (Lam.) C. F. Reed]
Aristolochia macrophylla image
  • FNA
  • Gleason & Cronquist
  • Resources
Kerry Barringer in Flora of North America (vol. 3)
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. Flowering late spring-summer. Forests, often on dissected uplands and rugged, rocky slopes; Cumberland and Blue Ridge mountains; 50-1300 m; Ont.; Ga., Ky., Md., N.C., Pa., S.C., Tenn., Va., W.Va. Aristolochia macrophylla has possibly escaped from cultivation in Connecticut, Maryland, Massachusetts, New Jersey, New York, and Vermont; these are not documented.
Vascular plants of NE US and adjacent Canada
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)

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

©The New York Botanical Garden. All rights reserved. Used by permission.
Aristolochia macrophylla
Open Interactive Map
Click to Display
1 Total Images
NSF NEON | Open Data to Understand our Ecosystems The National Ecological Observatory Network is a major facility fully funded by the National Science Foundation. Any opinions, findings and conclusions or recommendations expressed in this material do not necessarily reflect the views of the National Science Foundation.