Flora of North America species comparison

cylindric, 1-3 mm thick.

filiform, sometimes enlarged basally, 0.5-1.5 mm thick.

prostrate or ascending, 4-15 cm, glabrous, each with 1-4 flowers.

erect or nearly erect, 10-60 cm, glabrous, each with 3-50 flowers.

persistent, blades reniform or obovate to very narrowly elliptic, 0.7-5.2 × 1-2 cm, base truncate, obtuse or attenuate, margins entire or with 3 broad, apical crenae, apex rounded to acute.

persistent, blades reniform or orbiculate, undivided or sometimes innermost 3-parted or -foliate, 1.4-4.2 × 2-5.2 cm, base shallowly to deeply cordate, margins crenulate to crenate-lobulate, apex rounded to rounded-obtuse.

pedicels glabrous or nearly so;

receptacle glabrous;

sepals 5-8 × 3-7 mm, abaxially glabrous or sparsely pilose, hairs colorless;

petals 5-10, 8-13 × 5-12 mm;

nectary scale glabrous or ciliate.

pedicels glabrous or nearly so;

receptacle sparsely to very sparsely pilose;

sepals 2.5-4 × 1-2 mm, abaxially glabrous;

petals 5, 1.5-3.5 × 1-2 mm;

nectary scale glabrous.

globose, 7-12(-20) × 6-11(-20) mm;

achenes 1.4-2.2 × 1.1-1.8 mm, usually finely pubescent;

beak subulate or lance-subulate, straight or curved, 0.4-1 mm.

ovoid, 3-6 × 2.5-5 mm;

achenes 1.4-1.6 × 1-1.5 mm, glabrous;

beak subulate, curved, 0.1-0.2 mm.

= 16.