Flora of New Zealand Series

Trichomanes peltatum Poir. in Lam. Encyc. 8, 1806, 76.

H. unilaterale Willd. Sp. Pl. 5, 1810, 521.

H. Wilsoni Hook. Brit. Fl. 1, 1830, 446.

H. meyeri Presl Hymen. 1843, 142.

Rhizome filiform, with or without sparse hairs; stipites rather distant to approximate. Stipes filiform, 1-4 cm. long, not winged, with a few hairs at base when young. Rhachis filiform narrowly winged in upper part. Lamina 2-8 cm. long, narrow-oblong, rather dark green, pinnate to pinnatifid; segs developed on abaxial side of pinnae, linear, coarsely toothed. Sori on short lateral segs near base of abaxial side of pinnae, free or nearly so. Indusium c. 1·5 mm. long, broadly oblong, deeply 2-valved; valves with entire to minutely crenulate margins. Receptacle included.

DIST.: N., S., St. Lowland to montane forest from lat. 37º 30' southwards. Also from Norway to France and widespread in south temperate regions.