Flora of North America species comparison

thickened basally, glabrous.

slender, 0.6-1.2 mm thick.

prostrate, sometimes rooting nodally, glabrous.

erect, 5-33 cm, pilose or glabrous, each with 3-7 flowers.

persistent, blades ovate, obovate or orbiculate, rarely reniform, undivided or innermost with 2 clefts or partings near apex, 1-3.7 × 1.1-3.5 cm, base acute to rounded, margins entire, apex rounded.

narrowly to broadly ovate, 1.2-4 × 0.7-2 cm, base rounded, truncate or sometimes obtuse, margins entire or denticulate, apex obtuse or acute.

bracts ovate or sometimes lanceolate.

receptacle glabrous;

sepals 5, spreading or reflexed from near base, 2-4 × 1-3 mm, glabrous;

petals 5-6, 4-6 × 2-4 mm;

nectary scales glabrous.

pedicels appressed-pubescent;

receptacle pilose or glabrous;

sepals 3-5 × 2-3 mm, abaxially pilose, hairs colorless;

petals 5, 4-9 × 2-5 mm;

nectary scale glabrous.

hemispheric, 2-3 × 3-4 mm;

achenes 1.2-2 × 1.2-1.4 mm, glabrous;

beak lanceolate to subulate, straight or curved, 0.6-0.8 mm.

cylindric, 7-17 × 5-8 mm;

achenes 1.5-2 × 1.3-1.8 mm, canescent or glabrous;

beak subulate, straight or hooked, 0.4-2 mm.