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.

erect, elongate main stem overtopping lateral branches, simple or branched, 5–75 cm;

branches spreading-ascending to upward arching, terete, ridged proximally, obtusely quadrangular, ridged distally, +/- fleshy, glabrous.

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;

blade linear to linear-elliptic, 10–40 x 0.5–3.5 mm, fleshy, wrinkled when dry, margins entire, adaxial surface with sessile, dome-shaped hairs;

axillary fascicles absent or shorter than subtending leaves.

racemes, flowers 2 per node;

bracts longer than pedicels.

racemes, elongate, flowers 2 per node, distal nodes usually widely spaced;

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

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

spreading-ascending, 2.5–11 mm, glabrous, +/- fleshy.

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 obconic to hemispheric, tube 2–5 mm, glabrous, lobes deltate, 0.7–2 mm, fleshy;

corolla pink to rosy pink, with 2 yellow lines and red spots in abaxial throat, 7.5–21 mm, throat pilose externally and villous, glabrate, or glabrous within across bases and sinus of adaxial lobes, lobes: abaxial spreading, adaxial reflexed, 2.5–6 mm, abaxial pilose externally, adaxial glabrous externally;

proximal anthers parallel to filaments, distal parallel or perpendicular to filaments, pollen sacs 1.2–2.3 mm;

style included or exserted, 6–13 mm.

globular, 5–6 mm.

globular, 5–7 mm.

brown, 0.9–1.5 mm.

dark brown, 0.6–1.6 mm.

= 28.

= 28.