WorldFloraDB - Lygodium palmatum

Characteristics

Stems long-creeping. Leaves to ca. 3 m. Petioles borne 1-4 cm apart, 9-15 cm. Sterile pinnae on 1-2 cm stalks, very broadly ovate, deeply and palmately 3-7-lobed, 1-4 × 2-6 cm; ultimate lobes triangular-elongate to oblong; lobe apex acute to blunt or rounded; segments not articulate to petiolules, not leaving wiry stalks when detached; blade tissue pubescent abaxially with transparent hairs. Fertile pinnae stalked to ca. 1.5 cm, then ± irregularly 3-5-forked or lobed, ultimate divisions palmately and sometimes irregularly lobed, smaller than sterile pinnules, 2-4 × 2-8 cm, otherwise similar; ultimate segments narrowly triangular to linear-triangular.

More

Rhizome black, wiry; lvs to 3 m, the slender rachis flexuous; lfls long-stalked (1–2 cm), 2–4 × 3–6 cm, deeply cordate, palmately lobed, the lobes mostly 6, to 2.5 × 1.2 cm, rounded above, entire; fertile pinnae several times dichotomously branched, the numerous ultimate segments 3–5 × 1.5 mm; sporangia 6–10 per segment; 2n=60. Moist thickets and woods in acid soil; irregularly from s. N.H. and e. N.Y. to O. and sw. Mich., s. to Fla. and Miss.

Life form	perennial
Growth form	herb
Growth support	climber
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Usage

Uses	medicinal
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Cultivation

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