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| | Natural History Museum: Dryopteris in Cultivation: Dryopteris purpurella |
 | | Stipe 20-30 cm long, purplish, the scales narrow triangular, cordate at base and then often narrowing gradually or abruptly to an attenuate gland tipped apex, pale margined or not, brown and fl or all greenish, to 7.5 mm long; blade ca. |
 | | acuminate, attached at right angles or nearly so to the rachis, often somewhat distant, costa with tannish bullate scales; pinnules oblong to elongate elliptic, the teeth somewhat narrow triangular-mucronate; the pinnule next to the rachis on the lowest pinnae only slightly reduced, sometimes pinnatifid. |
 | | The purplish stipe and rachis, the 2-pinnate flatter fronds with ca. |
| www.rsabg.org /herbarium/ferns/dryopteris/060_Dpurpurella.html (374 words) |
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