Flora of North America species comparison

basal;

petiole often indistinct, flattened, 5–50 mm;

blade elliptic to obovate, 4–12 cm, slightly fleshy, base cuneate, margins serrate to dentate, densely ciliate, surfaces densely tangled-hairy.

basal;

petiole ± distinct, flattened, (0.5–)1–3.5 cm;

blade rhombic or fan-shaped, sometimes nearly round, (1–)1.5–3.5 cm, ± fleshy, base attenuate to ± cuneate, margins 7–11-toothed in distal 1/2–2/3 (teeth 1–3 mm), sparsely ciliate, surfaces glabrous.

basal;

petiole somewhat flattened, 2–6 cm;

blade oblanceolate, 2–12 cm, thin, basecuneate to ± attenuate, margins usually 15+-toothed (teeth large, lobelike), densely long glandular-ciliate, surfaces hairy.

70+-flowered, open, lax, flat-topped thyrses, 15–35 cm, tangled, yellow-tipped stipitate-glandular.

3–15-flowered, usually racemiform, sometimes paniculiform thyrses, 3–15 cm, axis glabrous or sparsely long-hairy, branches ± densely (rarely sparsely) long tangled-hairy; (bracts reduced).

30+-flowered, very open, lax thyrses, (flowers rarely replaced by bulbils), 10–40 cm, densely tangled, purple-tipped stipitate-glandular; (bracts leaflike, gradually reduced distally).

sepals reflexed, elliptic to ovate;

petals white, not spotted, elliptic, clawed, 2–5 mm, longer than sepals;

filaments linear, flattened;

pistils connate to 1/2 their lengths;

ovary 1/2 inferior, appearing more superior in fruit.

sepals reflexed, lanceolate to ovate;

petals white to cream, sometimes purplish, not spotted, linear to narrowly elliptic, not clawed, 2–4 mm, longer than sepals;

filaments linear, flattened;

pistils connate 1/2+ their lengths, (conic);

ovary ± 1/2 inferior.

slightly bilaterally symmetric;

sepals reflexed, oblong to elliptic;

petals white, 3 with 2 basal yellow spots, 2 without spots, oblanceolate to spatulate, clawed, 3–4.5 mm, longer than sepals;

filaments linear, flattened;

pistils connate 1/2+ their lengths;

ovary superior.

greenish to reddish purple, folliclelike.

purple-black, valvate.

green to yellow, sometimes purple tinged, valvate

= 76.

= 24.