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.

branched, 40–62 cm;

branches ascending, terete to +/- quadrangular, glabrous or sparsely scabridulous.

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;

blade narrowly linear, 12–28(–35) x 0.8–1.5 mm, fleshy, margins entire, often siliceous, adaxial surface with siliceous, sessile, dome-shaped hairs;

axillary fascicles shorter than subtending leaves.

racemes, elongate, flowers 2 per node;

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

racemes or panicles, flowers 1 or 2 per node;

bracts longer than pedicels.

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

ascending, 5–9 mm, glabrous.

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 elongate-campanulate, tube 4.5–6 mm, glabrous, lobes narrowly lanceolate, 2.7–7 mm;

corolla pink, with 2 yellow lines and dark red spots in abaxial throat, 17–23 mm, throat pilose externally and glabrous within across bases and sinus of adaxial lobes, lobes spreading, 4–6 mm, glabrous externally;

proximal anthers parallel to filaments, distal parallel or oblique to filaments, pollen sacs 3–3.2 mm;

style included or exserted, 13–15 mm.

globular, 4–7 mm.

obovoid to oblong, 10–12 mm.

tan to brown, 0.5–1.5 mm.

brown, 1–2 mm.

= 28.