Flora of North America species comparison

prostrate, decumbent, or ascending to erect, simple or branched, 0.5–4 dm, somewhat succulent, glaucous, glabrous;

rhizomes slender, bulblets absent, leafy to apex.

prostrate to ascending, simple or branched proximally, 1–3 dm, pubescent;

rhizomes very slender;

bulblets absent.

opposite proximally, becoming alternate and crowded distally;

petiole absent;

blade narrowly lanceolate, elliptic, or ovate, 0.2–2.6 × 0.1–6(–12) cm, base rounded to slightly cuneate or sometimes truncate, margins entire, plane, apex obtuse to rounded (or acute), surfaces glabrous;

venation single-veined.

opposite or sometimes alternate near apex of stem;

petiole 0.5–1.5 cm, pubescent;

blade orbiculate to ovate or deltate, 1.5–4 × 0.7–2 cm, base rounded to truncate, slightly decurrent, margins entire, plane, pubescent, apex acute to obtuse, surfaces punctate, sparsely pubescent;

venation pinnate-arcuate.

axillary, solitary flowers.

axillary in distal leaves, solitary flowers.

absent.

0.2–0.8 cm, pubescent.

sepals 5, calyx not streaked, 3–5 mm, stipitate-glandular, lobes ovate, somewhat succulent throughout;

petals absent;

filaments distinct, equaling to slightly longer than calyx;

staminodes absent.

sepals 5, calyx not streaked, 5–9 mm, pubescent, lobes narrowly lanceolate, margins thin;

petals 5, corolla yellow, not streaked, rotate, 5–9 mm, lobes with margins entire, apex acute to rounded, stipitate-glandular;

filaments connate, shorter than corolla;

staminodes absent.

2.5–3.5 mm, not punctate, glabrous.

2.5–3 mm, not punctate, pubescent distally.

= 30, 60.

= 18, 20, 22 (all Asian).