Flora of North America species comparison

simple or branched, 5–30(–47) cm;

branches spreading-ascending, obtusely quadrangular proximally to quadrangular with wings on angles distally, glabrous or sparsely scabridulous.

simple or branched, 15–82 cm;

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

spreading;

blade linear-elliptic to elliptic, 6–40 x 0.8–5 mm, not fleshy, margins entire, abaxial midvein sparsely scabrous, 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, flowers 2 per node;

bracts longer than pedicels.

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

bracts longer than pedicels, margins pinnatifid.

spreading-ascending, (0.8–)1.5–5.3(–6.5) mm, glabrous.

erect, 0.5–2 mm, scabridulous.

calyx hemispheric-campanulate, tube 1.5–3 mm, glabrous, lobes triangular-lanceolate, 1.1–4(–5) mm, unequal, mid adaxial shortest;

corolla pale to dark pink, with 2 yellow lines and red spots in abaxial throat, or lines faint or absent, (8–)10–15 mm, throat pilose externally and villous within across bases and sinus of adaxial lobes, lobes: abaxial slightly spreading to projected, adaxial slightly spreading or projected distal to corolla mouth, 1.6–6 mm, unequal, pilose or densely so externally;

proximal and distal anthers parallel to filaments, pollen sacs 1–2 mm;

style included, (3–)4–7.5 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, 5–6 mm.

ovoid-obovoid, 7–10 mm.

brown, 0.9–1.5 mm.

dark brown to black, 1.8–3 mm.

= 28.

= 26.