16); anal vein 2A of fore wing completely developed, anal cell closed; anal cell of hind wing petiolate
, about equal to width of anal cell (Figs 10, 20) Durbadnus
Dressler Leaves Sessile to subsessile, Petiolate
, petiole 0.
5 cm, persistent, only slightly flattened at base; blade oblanceolate, 2-5 mm wide, entire or serrulate, puberulent at margin; lowermost cauline leaves shortly petiolate
to subsessile, not auriculate at base; middle and upper cauline leaves entire or few toothed, oblong, minutely auriculate at base.
Fore wing not sparsely hirsute; distal abscissa of M and Cu1 more or less complete to margin; areolet always present if petiolate
above, petiole shorter than height of areolet.
Five Argentinean species have rather long petiolate
leaves with broad blades 1-6 cm wide and petioles 3-15 cm long.
Leaves opposite, strongly anysophyllous in a pair, membranaceous; larger leaf sessile or shortly petiolate
, petioles 0.
5-7 cm, distinctly narrowed toward the base but not petiolate
, coriaceous, without any conspicuous thicker central zone, green to bronze colored, distinctly canaliculate toward the base and nearly flat toward the apex, densely and coarsely white lepidote abaxially, trichomes completely obscuring leaf color and distinctly contrasting with the glabrous and lustrous adaxial surface, nerved mainly near the margins, margins slightly undulate toward the apex, densely spinulose, spines triangular, nearly straight to slightly antrorse-uncinate, 0.
The cotyledons (Figure 1E-G) are foliaceous, petiolate
, with blade from obovate to oblong, with truncated apex, obtuse base and smooth margin.
, glaucous on both surfaces, dark green above, dull and paler below, in sicco greenish- or yellowish-brown above, yellowish-brown to dark reddish-brown below, producing a ciliate fracture when broken perpendicular to the midvein; petioles flattened or slightly canaliculate above, 5-8 mm long, 3-5 mm wide; lamina obovate-elliptic, occasionally somewhat asymmetrical, (12-) 14-18 cm long, 4.
and is characterized by its herbaceous and cespitose habit as well the presence of solitary and homogamous terminal capitula, alternating leaves largely petiolate
, orbicular, hairy, always subtended by large sessil foliaceous bracts.
, semi-crassous, base cuneate; inflorescences in pseudo-raceme of dyads or triads; flower with corolla reddish 3.
Later, Cabrera (1985) submerged his section Otites into Senecio section Otopteri (Cabrera) Cabrera (1939), because of its petiolate
leaves and auriculate petiole, and placed the group at serial rank, i.