Polypodium glycyrrhiza |
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licorice fern |
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Stems | moderately stout, not white-pruinose; scales dense, lanceolate, brown; sweet licorice taste. |
Leaves | to 60 cm; petiole slender; to 20 × 0.2 cm. |
Blade | s to 40 cm; pinnatifid, narrowly ovate to oblong, not leathery; adaxial surface with whitish multicellular hairs (at least along the rachis); scales sparse on the rachis abaxially, brown; narrow; and hair-like, mostly less than 3 cells wide. |
Pinnae | narrowly oblong; to 4 × 0.8 cm; margins serrate; apex mostly acute to long-acuminate; veins free. |
Sori | round; less than 3 mm; sporangiasters absent. |
2n | =74. |
Polypodium glycyrrhiza |
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Distribution | |
Discussion | Epiphytic and on cliffs and rocks. 0–2300 m. Casc, CR, ECas, Est, Sisk, WV. CA, ID, WA; north to AK; northeastern Asia. Native. |
Source | Flora of Oregon, volume 1, page 95 Duncan Thomas |
Sibling taxa | |
Synonyms | Polypodium vulgare, Polypodium vulgare var. occidentale |
Web links |
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