Flora of North America species comparison

ascending, proximal branches terminating in sterile rosettes, (woody at base), 1.5–8.1 dm.

erect, unbranched or branched distally, 0.4–9(–13) dm.

blade linear to linear-oblanceolate, 3.7–15 cm × 1.5–6(–7) mm, base attenuate, margins usually entire, rarely sparsely denticulate, apex acute.

blade (somewhat fleshy), linear-oblanceolate, 3.5–15.5 cm × 2–9 mm, base attenuate, margins entire or obscurely dentate, apex acute.

(distal) sessile;

blade similar to basal.

blade (oblanceolate), margins entire.

considerably elongated in fruit.

considerably elongated in fruit.

sepals oblong to linear-oblong, 6–11 mm, lateral pair saccate basally;

petals yellow, obovate to suborbicular, (11–)14–20(–22) × (3–)4–11.5 mm, claw 8–13 mm, apex rounded;

median filaments 7–11 mm;

anthers linear, 2.5–4 mm.

sepals oblong to linear-oblong, 7.5–11(–13) mm, lateral pair slightly saccate basally;

petals bright yellow, broadly obovate to suborbicular, 14–24 × 6–11(–14) mm, claw 8–14 mm, apex rounded;

median filaments 8.5–12 mm;

anthers linear, 3–4 mm.

ascending, slender, narrower than fruit, (3–)5–10 mm.

divaricate to divaricate-ascending, stout, slightly narrower than fruit, 4–10(–13) mm.

ascending to spreading, narrowly linear, straight or only slightly curved inward, not torulose, (2–)3–8.4(–11) cm × 1.5–2.4(–3.5) mm, 4-angled to only slightly latiseptate, not striped;

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

ovules 48–82 per ovary;

style cylindrical, stout, 0.5–4 mm, sparsely pubescent;

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

spreading, narrowly linear, straight, not torulose, (2–)3.5–12 cm × 1.5–3.5 mm, latiseptate, not striped;

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

ovules 50–86 per ovary;

style cylindrical, stout, 0.3–1.5(–2) mm, sparsely pubescent;

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

oblong, 1.5–2.5(–3) × (0.7–)1–1.2(–1.4) mm;

not winged or winged apically.

oblong, 1.5–3 × 1–1.8 mm; winged distally (narrowly so around).

of leaves 2-rayed, sometimes mixed with 3- or 4-rayed ones.

of leaves 2–4(–7)-rayed.

= 36.

= 36.