Flora of North America species comparison

simple or branched, 10–100 cm;

branches ascending to spreading, quadrangular, sharply ridged to winged distally, glabrate, sometimes scabrous.

simple or branched, 15–82 cm;

branches ascending, subterete, retrorsely short-sericeous and hispid.

spreading, sometimes arching, ascending, or reflexed;

blade narrowly linear to linear-lanceolate, 10–70 x 0.3–6 mm, not fleshy, margins entire, adaxial surface scabrous;

axillary fascicles absent or shorter than subtending leaves.

spreading-ascending;

blade triangular-ovate, 16–35 x 10–45 mm, margins 2-pinnatifid with 1–3 pairs of lobes, pinnatifid distally, margins and midvein hispid, siliceous, adaxial surface scabrous or glabrous;

axillary fascicles absent.

racemes, elongate, flowers 2 per node;

bracts shorter than, or longer than, or both shorter and longer than, pedicels.

spikelike racemes, dense, flowers 1 or 2 per node;

bracts longer than pedicels, margins pinnatifid.

ascending-spreading, some upcurved distally, 6–25 mm, glabrous.

erect, 0.5–2 mm, scabridulous.

calyx obconic to hemispheric, tube 2.3–5.5 mm, glabrous, lobes subulate to triangular-subulate, 0.3–2 mm;

corolla pink to rose purple, with 2 yellow lines and red spots in abaxial throat, 7–23 mm, throat pilose externally and glabrous within across bases and sinus of adaxial lobes, lobes: abaxial projected or spreading, adaxial projected over distal anthers, 2–8 mm, abaxial pilose externally, adaxial glabrous externally or pilose proximally;

proximal anthers perpendicular or oblique to filaments, distal perpendicular and vertical to filaments, pollen sacs 1–4 mm;

style exserted, 6.7–18 mm.

calyx campanulate, tube 4–7 mm, densely, finely scabridulous and hispid, lobes lanceolate, 7–11 mm, unequal;

corolla pink to pale pink, usually without 2 yellow lines and with red spots in abaxial throat, 18–33 mm, throat pilose externally and villous within at sinus and/or across bases of adaxial lobes, lobes: abaxial spreading, adaxial erect, 5.5–11 mm, abaxial sparsely pilose externally, adaxial shorter than abaxial, glabrous externally;

proximal anthers parallel to filaments, distal oblique or perpendicular to filaments, pollen sacs 1.5–3.8 mm;

style exserted, 16–26 mm.

globular, 4–7 mm.

ovoid-obovoid, 7–10 mm.

tan to brown, 0.5–1.5 mm.

dark brown to black, 1.8–3 mm.

= 28.

= 26.