Flora of North America species comparison

in whorls of (3–)4;

petiole 0.2–0.3 mm;

blade linear-lanceolate, flat to compressed-triangular in cross section, 2.5–4(–7) × 0.2 mm, margins revolute, sparsely prickled, surfaces glabrous.

in whorls of 4–5;

petiole 0.5–1 mm;

blade linear-lanceolate, compressed-triangular in cross section, 4.5–6 × 1 mm, margins revolute, ciliate, surfaces glabrous, grooved abaxially.

terminal panicles, ellipsoid, 10–25 cm.

terminal or lateral racemes, ovoid to oblong, 5–10 cm.

1–1.5 mm, shortly hairy.

5–8 mm, glabrous; (bracteoles 2, in basal third, 0.4–0.6 mm, scarious).

calyx lobes (connate ca. 1/3 their lengths), ovate, 1 × 0.7 mm, margins entire, apex subacute, glabrous;

corolla white to pinkish white, broadly campanulate, 4–5 mm, lobes ovate-deltate, 0.5–1 mm, apex broadly rounded;

stamens 10;

filaments 2 mm;

anthers awned, ca. 0.7 mm, awns 2, basal, 2-ciliate, 0.3 mm;

ovary glabrous;

style 2–2.5 mm;

stigma exserted, obconic.

calyx lobes elliptic, 1 × 0.5 mm, margins ciliate, apex obtuse, glabrous;

corolla pink or white, broadly campanulate, 2.5–3.5 mm, lobes deltate, 0.5 mm, apex obtuse;

stamens 10;

filaments 1.5–2 mm;

anthers not awned, 0.5–0.8 mm;

ovary glabrous;

style 3.5–4.5 mm;

stigma exserted, filiform, (glabrous).

1–2 mm, glabrous.

1–2 mm, hairy.

ellipsoid, 0.6 × 0.5 mm, finely pitted.

ellipsoid, 0.6 × 0.5 mm, finely pitted.

= 24.