Flora of North America species comparison

spreading, ± imbricate;

blade linear, 4–12 × 1–2 mm, margins densely glandular-serrulate, surfaces glabrous or glandular.

spreading, not imbricate;

blade linear, 4–12 × 1–1.1 mm, margins serrulate, surfaces often glandular.

corymbiform, 1–16-flowered.

umbellate or corymbiform, 1–14-flowered.

10–35 mm, densely stipitate-glandular;

bracteoles 2.

10 mm, glandular;

bracteoles 2.

often nodding;

sepals ovate to lanceolate, 3–4 mm, margins not ciliate, densely glandular abaxially;

corolla yellow or greenish yellow, urceolate, constricted at mouth, 5–8 mm, glandular, lobes reflexed, 1–2 mm;

stamens 9–10, included;

filaments 2.5–3 mm, hairy;

anthers 1–1.5 mm;

ovary ovoid, 2–2.5 mm (3.5 mm wide), glandular;

style included, 3–4.5 mm.

nodding;

sepals linear to linear-lanceolate, 2.5–3.5 mm, margins ciliate, glandular-hairy abaxially;

corolla yellow or yellowish green, urceolate, constricted at mouth, 5–8 mm, glabrous, lobes reflexed, ca. 1 mm;

stamens 9–10, included;

filaments 1.5–2 mm, glabrous;

anthers brown on drying, 0.3–0.5 mm;

ovary globose, 1.5–2 mm, glandular-hairy;

style included, 2–3 mm.

5-valved, globose, 2.5–4 mm, densely glandular.

5-valved, broadly ovoid, 3–4 × 2.5–3.5 mm, glandular-hairy.

= 24.