Fertile fronds distinctly widest at the base, tapering into long, slender tips;
bulblets borne along the rachis and pinnae in late summer, usually on the
lower side of the frond; rachis, midribs of fronds and pinnae, and indusia
densely glandular-hairy; veinlets ending in the notches between the teeth of the pinnae.
Fertile fronds slightly narrowed toward the base, not prolonged into slender
tips; bulblets absent; glandular hairs absent; veinlets extending into the tips of the teeth of the pinnae.