Flora of North America species comparison

unbranched, 0.3–1.4 dm, pubescent throughout, trichomes simple, 0.2–1 mm, and 2–6-rayed, 0.05–0.3 mm.

unbranched, 0.2–1.1 dm, pubescent proximally, trichomes short-stalked, 2–5-rayed, 0.1–0.5 mm, (some rays spurred).

rosulate;

petiolate;

petiole base and margin ciliate, (trichomes mostly simple, 0.2–1 mm);

blade oblanceolate to narrowly obovate, 0.4–1.7 cm × 1.5–6 mm, margins entire or with 1–3 teeth on each side, surfaces pubescent with primarily simple trichomes, 0.3–1mm, abaxially mixed with stalked, 4–10-rayed ones, 0.1–0.2 mm.

rosulate;

petiolate;

petiole base and margin ciliate, (trichomes simple, 0.3–1 mm);

blade oblanceolate to lanceolate, 0.8–2.2 cm × 2–6 mm, margins often entire, surfaces pubescent abaxially with stalked, 2–5-rayed, stellate trichomes, 0.1–0.4 mm, often some rays spurred and trichomes appearing subdendritic, rarely glabrate, or with simple and 2-rayed ones, (midvein obscure abaxially, not thickened), adaxially glabrous or sparsely pubescent with simple trichomes, sometimes with long-stalked, 2- or 3-rayed ones.

0 or 1;

sessile;

blade ovate to oblong, margins entire or toothed, surfaces pubescent as basal.

0.

2–14(–17)-flowered, ebracteate, elongated in fruit;

rachis not flexuous, pubescent as stem.

(2–)4–13-flowered, ebracteate, (subcorymbose), not elongated in fruit;

rachis not flexuous, pubescent as stem.

sepals ovate, 1.8–2.5 mm, pubescent, (trichomes simple and short-stalked, 2–4-rayed);

petals white, spatulate, 3–4 × 1.5–2 mm;

anthers ovate, 0.3–0.4 mm.

sepals (grayish white), ovate to broadly so, 2.5–3 mm, pubescent, (trichomes simple and stalked, 2-rayed);

petals creamy white to yellow, broadly obovate, 3.5–5 × 2.5–3.5 mm;

anthers ovate, 0.4–0.5 mm.

suberect to ascending, straight, 1–5(–7) mm, pubescent, trichomes simple and 2–4-rayed.

subhorizontal to divaricate-ascending (not appressed to rachis), often slightly curved upward, 4–7(–10) mm, pubescent, trichomes simple (0.4–1 mm), and 2–4-rayed (0.1–0.4 mm).

oblong, plane, flattened, 4–9 × 2–3.5 mm;

valves pubescent, trichomes short-stalked, 2–4-rayed, 0.1–0.5 mm, sometimes with simple ones;

ovules 20–32 per ovary;

style 0.1–0.4 mm (stigma distinctly wider than style).

ovate to ovate-oblong, plane, flattened, 5–10 × 3–5 mm;

valves puberulent along replum, trichomes simple, 0.1–0.3 mm;

ovules (16–)18–28 per ovary;

style 0.2–0.6 mm (stigma as wide as style).

ovoid, 0.7–1 × 0.5–0.6 mm.

(black), ovoid, 1–1.3 × 0.6–0.8 mm.

= 48.

= 64.