The golden colored fuzzy hairs on the Golden Hair Dog Fern plant are good hemostatic agents, known as dog's spine in Chinese medicine. Where a wound bleeds, sticking to the fuzzy hairs will immediately stop the bleeding. The rhizome also has the effect of tonifying the liver and kidney, strengthening the waist and knees, removing wind-dampness, strengthening the sinews and bones, and inducing diuresis and diarrhea.?

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The perennial tree fern, up to 3 meters high. Rhizome thick, nearly upright, but many times are ambulatory, densely golden yellow long tomentum, shaped like a dog's head, so named; petiole long, leaf blade is leathery, three times pinnatifid, segments falcate lanceolate, the edge of the shallow serration, sporocarp cluster in the veinlets at the top of the cluster of sacs covered with two valves, shaped like a mussel shell.

The golden dog fern rhizome is thick, woody, lying or obliquely ascending, together with the base of the petiole densely covered with long golden-yellow hairs. Leaves apically tufted, petiole stout, up to 120 cm long.

Widely cushion-like golden-yellow pilose, shaped like a golden hairy dog, plant up to 3 meters high, leaf blade large, three pinnatifid. The lower pinnae are oblong, up to 80 cm long, and the petioles are 3-4 cm long, alternate, and away from each other; the ultimate segments are linear, slightly falcate, 1-1.4 cm long, and shallowly serrate.

Leaves leathery or thick, smooth on both sides, gray or gray-blue below, slightly brownish pubescence on pinnules. Sporangia are clustered at the tips of the divergent veinlets on the lobes, and the clusters cover both valves, shaped like mussel shells. The spores are triangular and four-sided, hyaline.