Flora of North America species comparison

erect, often branched distally, (ribbed), (0.7–)1.5–10(–15) dm.

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

(withered by fruiting), similar to cauline.

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

(median and distal) shortly petiolate or sessile;

blade (lanceolate, linear, or elliptic-oblong, (1–)2–7(–11) cm × (2–)5–12(–23) mm, base cuneate) margins usually subentire or denticulate, rarely sinuate-dentate, (apex acute or obtuse).

(distal) sessile;

blade similar to basal.

considerably elongated in fruit.

considerably elongated in fruit.

sepals oblong, 1.8–3.2 mm, lateral pair not saccate basally;

petals yellow, narrowly spatulate, 3–5.5 × 1.5–2 mm, claw 1.5–3.5 mm, apex rounded;

median filaments 2–3.5 mm;

anthers oblong, 0.5–0.7 mm.

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.

divaricate or ascending, slender, much narrower than fruit, 5–13(–16) mm.

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

suberect or divaricate-ascending, linear, straight, somewhat torulose, (1–)1.5–2.5(–4) cm × 1–1.3 mm, 4-angled, not striped;

valves with prominent midvein, pubescent outside, trichomes 3–5-rayed, densely pubescent inside;

ovules (20–)30–55 per ovary;

style cylindrical, slender, 0.5–1.5 mm;

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

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.

oblong, 1–1.5 × 0.4–0.6 mm;

not winged.

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

not winged or winged apically.

of leaves primarily 3- or 4-rayed, sometimes mixed with 5-rayed ones, 2-rayed trichomes primarily on stem and pedicels.

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

= 16.

= 36.