Flora of North America species comparison

unbranched, (0.3–)0.5–1.7(–2.8) dm, pubescent throughout, trichomes simple and 2-rayed, 0.3–0.8 mm, with 3–5-rayed ones, 0.1–0.3 mm.

unbranched, (0.05–)0.1–0.8 dm, pubescent throughout, sometimes sparsely so distally, trichomes simple, 0.3–0.7 mm, and 2–4-rayed, 0.05–0.2 mm.

rosulate; petiolate;

petiole base (not thickened), ciliate, (trichomes simple, 0.3–1 mm);

blade oblanceolate to obovate or lanceolate to oblong, 0.8–3(–4.5) cm × 2.5–6(–9) mm, margins entire, surfaces abaxially pubescent with stalked, 2–4-rayed trichomes, 0.1–0.5 mm, with simple ones (midvein obscure, not thickened), adaxially glabrous or sparsely pubescent with simple and stalked, 2–4-rayed trichomes.

(not imbricate); rosulate; petiolate;

petiole ciliate, (trichomes simple and 2-rayed, 0.4–1.3 mm);

blade oblanceolate, 0.5–1.1 cm × 1.5–4 mm, margins entire, (pubescent as petiole, apex acute to subacute, trichomes simple and/or branched), surfaces pubescent, abaxially with simple trichomes, to 1 mm, and stalked, 2–4-rayed ones, 0.1–0.5 mm, adaxially with simple trichomes, 0.4–1 mm, (sometimes glabrous).

0.

0.

6–18-flowered, ebracteate, considerably elongated in fruit;

rachis not flexuous, pubescent as stem.

2–8-flowered (congested), ebracteate, slightly elongated in fruit;

rachis not flexuous, pubescent as stem.

sepals (purplish tinged), narrowly ovate, 2.5–3 mm, pubescent, (trichomes simple and fewer, stalked, 2-rayed);

petals bright yellow, narrowly obovate, 3.5–5 × 1.7–2.5 mm;

anthers ovate, 0.3–0.4 mm.

sepals ovate, 1.8–2.3 mm, pubescent, (trichomes simple with fewer, short-stalked ones);

petals pale yellow, narrowly spatulate to oblanceolate, 2.5–3 × 0.8–1.5 mm;

anthers ovate, 0.2–0.3 mm.

ascending to divaricate-ascending, straight or, sometimes, slightly curved upwards, 4–14(–30) mm, pubescent, trichomes simple and 2–4-rayed.

divaricate to ascending, straight or slightly curved upward, 1.5–4 mm, pubescent as stem or trichomes branched.

elliptic, plane, flattened, 6–10 × 2–3 mm;

valves glabrous or glabrescent, trichomes simple, (not confined to replum);

ovules 12–24 per ovary;

style 0.2–0.3 mm (stigma about as wide as style).

often obovate, plane, slightly flattened, 5–10 × (3–)3.5–5 mm;

valves glabrate or sparsely pubescent, 0.05–0.2 mm;

ovules 8–16(–20) per ovary;

style 0.05–0.15 mm.

(pale brown), ovoid, 0.9–1.3 × 0.6–0.9 mm.

ovoid, 1.1–1.6 × 0.7–1 mm.

= 80.

= 32.