Flora of North America species comparison

branched, 50–120 cm;

branches spreading-ascending, quadrangular-ridged, scabrous.

simple or branched, 15–82 cm;

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

spreading-ascending;

blade filiform, 16–40 x 0.4–1 mm, margins entire, midvein harshly scabrous, adaxial surface scabrous;

axillary fascicles: length 1/2–1 times 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.

racemiform-paniculiform, flowers 1 per node, some flowers pseudoterminal;

bracts shorter than pedicels.

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

bracts longer than pedicels, margins pinnatifid.

spreading-ascending, 12–50 mm, scabrous.

erect, 0.5–2 mm, scabridulous.

calyx hemispheric, tube 3–4(–5) mm, glaucous, lobes erect, subulate, 0.1–0.6 mm;

corolla dark pink to rose, with 2 yellow lines and purple spots in abaxial throat, 22–33 mm, throat sparsely pilose externally and glabrous within across bases of adaxial lobes, sparsely villous at sinus, lobes: abaxial reflexed-spreading, adaxial spreading, 6–12 mm, equal, glabrous externally;

proximal anthers parallel to filaments, distal perpendicular to filaments, pollen sacs 2.5–3.8 mm;

style strongly exserted, 9–18 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, 4–6 mm.

ovoid-obovoid, 7–10 mm.

black, 0.5–0.8 mm.

dark brown to black, 1.8–3 mm.

= 26.

= 26.