Aristolochia tomentosa

Sims

Bot. Mag. 33: plate 1369. 1811.

Common names: Pipevine
Endemic
Synonyms: Isotrema tomentosa (Sims) H. Huber
Treatment appears in FNA Volume 3.
Revision as of 19:13, 26 July 2019 by FNA>Volume Importer
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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. 2n = 28.


Phenology: Flowering late spring–summer.
Habitat: Alluvial soils along rivers and streams
Elevation: to 500 m

Distribution

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

Discussion

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

Selected References

None.

Lower Taxa

None.
... more about "Aristolochia tomentosa"
Kerry Barringer +  and Alan T. Whittemore +
Pipevine +
Ala. +, Ark. +, Fla. +, Ga. +, Ill. +, Ind. +, Kans. +, Ky. +, La. +, Miss. +, Mo. +, N.C. +, Okla. +, Tenn. +  and Tex. +
to 500 m +
Alluvial soils along rivers and streams +
Flowering late spring–summer. +
Isotrema tomentosa +
Aristolochia tomentosa +
Aristolochia +
species +