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Aristolochia tomentosa Sims

Woolly dutchman's pipe (en)

Species

Angiosperms > Piperales > Aristolochiaceae > Aristolochia

Characteristics

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.
More
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.
Life form perennial
Growth form herb
Growth support climber
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) 1.0
Mature height (meter) 10.0
Root system tap-root
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Moist woods along rich river banks. Thickets and woods, in sandy and silty soils; at elevations to 500 metres.
Light 4-9
Soil humidity 1-6
Soil texture 2-5
Soil acidity 3-9
Soil nutriment -
Hardiness (USDA) 6-8

Usage

Uses medicinal
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by cuttings or seedlings. Seeds needs soaking.
Mode cuttings seedlings
Germination duration (days) 30 - 90
Germination temperacture (C°) 23 - 29
Germination luminosity -
Germination treatment soaking
Minimum temperature (C°) -23
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Leaf

Aristolochia tomentosa leaf picture by DD S. (cc-by-sa)
Aristolochia tomentosa leaf picture by William Coville (cc-by-sa)

Distribution

Aristolochia tomentosa world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:93394-1
WFO ID wfo-0000548403
COL ID 7R58Q
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Aristolochia angulisans Aristolochia tomentosa Isotrema tomentosa Hocquartia tomentosa Dasyphonion tomentosum Siphisia tomentosa Isiphia tomentosa Pteriphis tripteris Aristolochia pubescens Aristolochia tripteris Isiphia tripteris
WorldFloraDB 2024