Flora of North America species comparison

erect, unbranched or branched distally, 1.5–7 dm.

ascending to sprawling, proximal branches terminating in sterile rosettes, (woody at base), 0.5–3 dm.

blade linear to linear-oblanceolate, 1.5–6(–8) cm × 2–8 mm, base attenuate, margins entire or dentate, apex acute.

blade linear to linear-oblanceolate, (2–)3.7–9 cm × 2–5(–10) mm, base attenuate, margins usually entire, rarely sparsely denticulate, apex acute.

(distal) sessile;

blade margins entire or denticulate.

(distal) sessile;

similar to basal.

elongated or not in fruit.

considerably elongated in fruit.

sepals oblong to linear-oblong, 4–6 mm, lateral pair slightly saccate basally;

petals yellow, oblanceolate, 6–9(–11) × 1–2 mm, claw 5–7 mm, apex rounded;

median filaments 5–7 mm;

anthers narrowly oblong to linear, 1–2 mm.

sepals oblong to linear-oblong, 6–10 mm, lateral pair slightly saccate basally;

petals yellow, broadly obovate to suborbicular, (11–)14–20(–22) × (3–)4–11.5 mm, claw 7–10 mm, apex rounded;

median filaments 7–10 mm;

anthers linear, 2–3 mm.

divaricate-ascending to ascending, stout, slightly narrower than fruit, 4–9(–15) mm.

widely spreading, slender, narrower than fruit, (8–)10–22 mm.

ascending to divaricate-ascending, (not appressed to rachis), narrowly linear, straight, not torulose, 3–5.8(–7) cm × 1–1.5(–1.8) mm, slightly 4-angled or terete, not striped;

valves with somewhat prominent midvein, pubescent outside, trichomes 2–4-rayed, glabrous inside;

ovules 36–66 per ovary;

style cylindrical, stout, 0.7–3 mm, moderately to sparsely pubescent;

stigma strongly 2-lobed, lobes as long as wide.

ascending to spreading, narrowly linear, straight or only slightly curved inward, not torulose, 2–5(–7) cm × 2–3 mm, angustiseptate, not striped;

valves with prominent midvein, pubescent outside, trichomes 2–4-rayed, glabrous inside;

ovules 36–50 per ovary;

style cylindrical or slightly flattened, stout, 1–4 mm, sparsely pubescent;

stigma slightly 2-lobed, lobes as long as wide.

ovoid, 1.2–1.7 × 0.8–1 mm;

not winged or wing apiculate.

oblong, 1–2 × 1.2–2 mm;

not winged.

of leaves 2- or 3-rayed.

-chomes of leaves primarily 2-rayed, sometimes mixed with 3-rayed ones.

= 81.

= 36.