Flora of North America species comparison

erect or decumbent, hairs scattered, appressed, bilateral, (2–)4-rayed, swollen-based, not sublepidote, hairs 1–3 mm.

usually procumbent and ascending, hairs appressed, (6–)8–10-rayed, sublepidote.

stipules persistent, lanceolate, subfalcate to falcate, 3–6 × 0.5–1 mm, apex acuminate;

petiole 10–20(–40) mm;

blade ovate to ± lanceolate, unlobed, (1.7–)3–4(–6.5) × (0.6–)1.5–3(–5.5) cm, 1.1–2.8 times longer than wide, 2.5–4.5 times longer than petiole, not greatly reduced on stem distally, base truncate to broadly-rounded to often wide-cuneate, margins dentate to serrate, apex acute, surfaces sparsely hairy, hairs bilateral, 2–4-rayed, stellate or with simple hairs on adaxial surface.

stipules persistent, lanceolate, subfalcate, 4–6 × 1–1.5 mm, apex acute;

petiole 10–25 mm;

blade wide-ovate to ovate, unlobed or rarely with 2 obscure lateral lobes halfway from base, (1.8–)3–4(–5.5) × (1–)1.5–3(–4.5) cm, usually slightly (ca. 1.2 times) longer than wide, 2 times longer than petiole, base cordate to rounded or truncate, margins crenate-dentate, apex rounded, surfaces hairy, hairs scattered, appressed, (6–)8–10-rayed, sublepidote.

axillary, solitary flowers, flowers sometimes congested towards branch tips;

floral bracts absent.

axillary solitary flowers;

floral bracts absent.

1–2 mm, to 3–5 mm in fruit;

involucellar bractlets basally adnate to calyx for 0.5–1 mm, lanceolate, subfalcate, 4–6 × 0.6–1 mm, shorter than calyx lobes, apex acute.

3–5(–10) mm in flower, to 2 mm in fruit;

involucellar bractlets basally adnate to calyx for 2–3 mm, deltate-cordiform in distal 4–6 mm, abruptly narrowed, 8–10 × 3–5 mm, shorter than calyx lobes, apex acute.

calyx connate 1/3–1/2 its length, broadly campanulate, lobes slightly auriculate at base, 11–12 mm, to 13–17 mm in fruit, surface hairy, hairs scattered, appressed, stellate-lepidote;

corolla wide-spreading, golden yellow to pale orange-yellow, 30 mm diam., petals obovate, conspicuously asymmetrically lobed, 12–16 × 10–15 mm, exceeding calyx by 7–8 mm;

staminal column 4 mm, glabrous;

style 12–16-branched.

2–3 mm.

9–10 mm diam.;

mericarps readily shed from calyx, 12–16, 4–6 × 4–6 × 1–1.5 mm, widely-notched, with 1 conspicuous, distally-directed, medial-apical cusp 1.5–2.3 mm and 2 distal-apical, contiguous, flattened, obtuse cusps 1 mm, surface sparsely hairy, hairs both erect and appressed, rigid, simple on apex and minute, stellate on dorsal 1/3, sides smooth.

= 36.