-
whose color extends well up the axis of the leaf blade, a
deeply cut
acroscopic lobe or
pinnule at the base of each pinna, and
toothed pinna edges. However...
-
Adiantum pedatum showing the
extent of the two
enlarged basal pinnae, and the
extent of the
basiscopic and
acroscopic pinnules of one of
those pinnae....
- apex side (i.e.
toward the main stem),
known as
acroscopic branching. Sori
occur (1-2) on the
acroscopic side of the
primary pinna. When mature, each sorus...
- (pinna midrib). The
lowest pinnae are
strongly inequilateral, with the
acroscopic side (the side
towards the leaf tip)
longer than the
basiscopic side (the...
- whitish-green above, a less
dissected blade, with
pinnules typically bearing acroscopic auricles instead of
being lobed on both sides,
rhizome scales lacking...
- blade, but tend to
twist out of the
plane when
grown in the sun. The
acroscopic margins of
these segments are lobed, with
narrow (less than 1.0 mm) incisions...
- the leaf base) are
slightly larger and more
deeply dissected than the
acroscopic pinnules (pointing at the leaf tip). The
lowest pair of
basiscopic pinnules...
- pinnules,
slightly inequilateral,
basiscopic basal pinnules 7–10.5 cm long,
acroscopic basal pinnules shorter, 4–8.5 cm long,
lowermost pinnules usually the...
