Flora of the Hawaiian Islands
Literature for Dryopteris fuscoatra
Palmer, 2003. Literature for Dryopteris fuscoatra var. fuscoatra
Palmer, 2003. Literature for Dryopteris fuscoatra var. lamoureuxii
Palmer, 2003.
   Dryopteridaceae Bibliography
      Dryopteris fuscoatra
General Information
DistributionHawaiian Islands.
Terrestrial, medium-sized; rhizomes decumbent to erect.
Fronds in a shuttlecock arrangement on apexes of rhizomes, 30-80 cm long; stipe green (straw-colored when dry), densely clothed with (but not obscured by) narrow, gray to black, long-tapering scales; blade 1-pinnate-pinnatifid to 1-pinnate-pinnatisect, occasionally 2-pinnate, ovate-lanceolate to long-lanceolate, pale green below, darker green above, chartaceous; rachises adaxially grooved, straw-colored, with many linear-lanceolate, dark gray to brown to black scales; pinnae 16-30 pairs, linear-lanceolate, lowermost pinna pair not or minimally smaller than middle pinnae; ultimate segments elongate slightly falcate, lateral margins entire to slightly crenate, tips truncate to obtuse often with small teeth, segments at bases of pinnae usually not overlapping rachises; veins unforked or often 1-forked.
Sori submedial to medial, 1-12 per segment in row on both sides of midrib, present on all pinnae, but sometimes sparse or absent on most proximal pinnae; indusia firm, persistent round.
Latin fuscus, dark, dark brown, + atra black. The namer must have been impressed by the dark scales on this species.
Sally Eichhorn