Flora of North America species comparison

erect, usually simple.

stipules persistent or caducous, ovate [unlobed] or 2–4-fid, sparsely to densely stellate-pilose;

blade orbiculate, angled, weakly lobed or deeply palmately parted, base cordate, cuneate, or truncate, margins crenate-serrate, apex acute to obtuse.

stipules ovate, 6–11 mm, apically 2–4-lobed;

petiole equaling or longer than blade;

blade ovate to ovate-orbiculate, usually 5–7-lobed 1/2 or more to midrib, often figlike, 7–15 cm, margins crenate.

terminal and/or axillary, usually unbranched, racemes, often with 1–5-flowered axillary fascicles, elongate, flowers axillary, solitary or fascicled;

involucellar bractlets persistent, attached to apex of pedicel, connate basally, 6–7[–9]-parted, stellate-hairy.

simple, flowers solitary, subsessile;

bracts leaflike.

6 mm, to 8–10 mm in fruit;

involucellar bractlets 6-parted, usually 1/2–2/3 calyx length.

calyx usually accrescent, not inflated, lobes slightly or conspicuously striate, lanceolate, margins entire, apex obtuse to acuminate, densely stellate-pilose-hairy;

corolla rotate, white, pink, red, purple, or yellow, darker or paler basally, base densely white-pilose-hairy;

staminal column exserted, 5-angled, anthers crowded, pale yellow, glabrous;

ovary [15–]20–40-carpellate;

ovules 1 per carpel;

style [15–]20–40-branched (equaling number of locules);

stigmas decurrent, filiform.

calyx hairy;

corolla not doubled, 8–10 cm diam., petals pale yellow, usually drying greenish, notched, narrowed to base, 5 cm;

staminal column bearing anthers at apex;

anthers 5-rowed when viewed from above;

style 20–40-branched.

schizocarps, erect, not inflated, disc-shaped, dry, central axis equaling or shorter than mericarps, indehiscent;

mericarps [15–]20–40, 2-celled (proximal cell 1-seeded, distal cell sterile), laterally compressed and reniform-circular with prominent ventral notch, smooth to wrinkled, hairy [glabrous].

1 per mericarp, brown, reniform, glabrous or minutely hairy.

tuberculate or not, glabrous or minutely hairy axially.

enclosed by calyx, 2 cm diam.;

mericarps (20–)30(–40), channeled and winged dorsally, 4–6 mm.

= 21 [n = 13, 21].

= 42.