Overview

Distribution

National Distribution

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

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Ala., Ark., Fla., Ga., Ill., Ind., Kans., Ky., La., Miss., Mo., N.C., Okla., Tenn., Tex.
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Physical Description

Morphology

Description

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.
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Diagnostic Description

Synonym

Isotrema tomentosa (Sims) H. Huber
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Ecology

Habitat

Alluvial soils along rivers and streams; to 500m.
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Associations

Flower-Visiting Insects of Dutchman's Pipevine in Illinois

Aristolochia tomentosa (Dutchman's Pipevine)
(Insects apparently suck nectar; observations are from Robertson)

Flies
Ceratopogonidae: Atrichopogon websteri sn; Phoridae: Megaselia fungicola sn; Sciaridae: Sciara atrata sn, Sciara vulgaris sn

Beetles
Scraptiidae: Canifa pallipes sn

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Life History and Behavior

Cyclicity

Flowering/Fruiting

Flowering late spring-summer.
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Aristolochia tomentosa

The following is a representative barcode sequence, the centroid of all available sequences for this species.


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Statistics of barcoding coverage: Aristolochia tomentosa

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 3
Specimens with Barcodes: 3
Species With Barcodes: 1
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Conservation

Conservation Status

National NatureServe Conservation Status

United States

Rounded National Status Rank: N4 - Apparently Secure

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NatureServe Conservation Status

Rounded Global Status Rank: G5 - Secure

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Wikipedia

Aristolochia tomentosa

Aristolochia tomentosa is a species of flowering plant in the Aristolochiaceae family.

References

  • C. Neinhuis, S. Wanke1, K. W. Hilu, K. Müller and T. Borsch, (2004). Phylogeny of Aristolochiaceae based on parsimony, likelihood, and Bayesian analyses of trnL-trnF sequences. Plant Systematics and Evolution, Volume 250, Numbers 1-2. pp. 7-26.
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Notes

Comments

Aristolochia tomentosa has escaped from cultivation in various places, including Virginia; this is not documented.
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