Flora of Barro Colorado Island

Trichomanes punctatum

(Kunze) Wessels-Boer, Acta Bot. Neerl.11:301.1962

Tiny epiphyte; rhizome creeping, slender, densely scaly, the scales dark reddish-brown, threadlike, deciduous. Leaves simple, entire or with short lobes, sometimes split when dry; petioles very short, scaly; blades round-oblong, ovate or obovate, rounded at apex, acute to subcordate at base, 5-20 mm long, 5-15 mm wide, with stellate scales on margin, midrib lacking, the veins very densely flabel­late, the margin entire or with a few ± linear lobes or regularly crenate. Sori few to several, arising from be­tween the lobes; indusium about half immersed, the involucres contracted at neck, the lips circular, narrowly dark-edged, as broad as tube. Croat 14021.

Distribution on the island is uncertain.

Very similar to T. curtii Ros. (not known from BCI; see the key to the genus).

Throughout Central America and northwestern South America; Greater Antilles. In Panama, known from trop­ical moist forest on BCI and in Bocas del Toro, Colón, Coclé, and Panamá.