Flora of North America species comparison

erect to ascending, 500–1200(–1500) mm, minutely hirtellous-hirsutulous and minutely stipitate-glandular.

erect, 300–800(–1200) mm, minutely hirtellous to hirsutulous with slightly deflexed, eglandular hairs.

usually cauline, relatively even-sized;

petiole absent or indistinct;

blade narrowly oblong to narrowly elliptic-lanceolate proximally to lanceolate to elliptic-lanceolate or elliptic distally, 15–60(–75) × 2–20 mm, margins entire or shallowly serrate, plane or revolute, apex obtuse to rounded, surfaces glabrous or abaxial sparsely to densely hairy, hairs branched, adaxial usually without unbranched hairs.

cauline, relatively even-sized;

petiole absent;

blade narrowly elliptic to narrowly lanceolate or narrowly elliptic-oblong, 12–37 × 3–9 mm, margins entire, serrulate, or mucronulate, plane or revolute, apex usually obtuse to rounded, surfaces glabrous.

4–13 mm in fruit.

3–10 mm in fruit.

2(–4) per node, chasmogamous.

(1 or)2 per node, chasmogamous.

sparsely glandular.

minutely glandular.

yellow-orange to orange, not spotted or striped, palate ridges yellow to golden yellow or orange, tube-throat 25–30 mm, limb 20–30 mm diam., bilabiate to nearly rotate, lobes oblong, apex of adaxial 2 each shallowly, asymmetrically incised.

yellow-orange to dull orange, not spotted or striped, palate ridges yellow, tube-throat 35–45 mm, limb 20–25 mm diam., bilabiate, lobes oblong, each apically incised 1/4–1/2 length, appearing 2-lobed.

not inflated in fruit, 18–30 mm, glabrous or minutely hirtellous and/or minutely stipitate-glandular, tube slightly dilated distally, lobes subequal to unequal, apex acute, ribs green, intercostal areas light green.

not inflated in fruit, 20–28 mm, glabrous, tube slightly dilated distally, lobes unequal to subequal, apex acute.

18–31 mm.

18–30 mm.

exserted (at throat), glabrous.

included, glabrous.

exserted, lobes equal.

included, lobes equal.

= 20.

= 20.