Flora of North America species comparison

basal and cauline, (basal persistent, cauline ± inconspicuous);

petiole rounded, 2–20 mm;

blade round to reniform, irregularly shallowly lobed, 20–80(–100) mm, thin, margins serrate, stipitate glandular-ciliate, apex obtuse to rounded, surfaces sparsely hairy.

basal (sometimes cauline on trailing stems), (closely imbricate);

petiole absent;

blade round to broadly obovate, unlobed, 1–4 mm, ± fleshy, margins entire, stiffly bristly-ciliate, apex obtuse or rounded, surfaces glabrous.

30+-flowered, open, much-branched thyrses, usually some or all flowers replaced by bulbils (sometimes bulbils absent), 15–40 cm, dark purple-tipped stipitate-glandular;

bracts (± inconspicuous), petiolate or sessile.

solitary flowers, to 1 cm, glabrous;

bracts sessile.

sepals reflexed (at least in fruit), ovate to elliptic, margins eciliate, surfaces sparsely stipitate-glandular or glabrous;

petals white, not spotted, narrowly ovate to elliptic, (3–)4–6 mm, longer than sepals;

filaments strongly club-shaped;

ovary superior.

unisexual (plants dioecious);

sepals spreading in flower, reflexed in fruit, (purple), triangular to ovate, margins ciliate, surfaces hairy;

petals yellow, drying cream to brown, not spotted, linear to oblanceolate, 1–2.5 mm, ± equaling sepals;

ovary superior.

= 36, ca. 48, 50.

= 12.