Flora of North America species comparison

deciduous, alternate, sometimes fascicled;

blades olive green, elliptic to obovate, 1–2.5(–3) cm, herbaceous, base obtuse to rounded, margins entire, apex rounded to cuneate or shallowly emarginate, surfaces glabrous; 1-veined.

deciduous, alternate or fascicled;

blade gray-green, glaucous abaxially, dull green adaxially, ovate, oblong, or elliptic to nearly linear, 0.3–2(–2.5) cm, relatively thin-herbaceous, base rounded to truncate, margins entire or wider leaves distally toothed, apex rounded to slightly retuse, both surfaces persistently hirtellous to short-villous; 1-veined from base.

usually fascicles, 2–5-flowered, rarely flowers solitary.

pedunculate thyrses, 10–20 mm, (5–)10–30-flowered, peduncles 2–4 mm, equaling or longer than pedicels;

hypanthium yellow to orangish or slightly purple, densely and persistently hirtellous;

sepals yellow to orangish or slightly purple;

petals yellow to pale yellow or nearly white.

hypanthium and sepals purplish to greenish;

petals white.

brownish to orange or purplish brown, ovoid to ellipsoid, 10–20(–25) mm.

dark blue to blue-black or purplish, globose to slightly elongate, 7–10 mm.