Flora of North America species comparison

light brown with shallow ridges and large plates.

brown to red, deeply and irregularly furrowed.

often with opposite corky wings;

twigs reddish brown, pubescent.

spreading;

twigs gray, densely pubescent when young, glabrous with age.

brown, apex acute, pubescent;

scales dark brown, shiny, glabrous.

obtuse;

scales red, margins red-tomentose.

blade ovate to elliptic, 2.5-5 × 1.3-2 cm, base oblique or rounded to cuneate, margins crenate to doubly serrate, apex obtuse;

surfaces abaxially softly pubescent, adaxially harshly pubescent.

blade obovate to ovate, 8-16 × 5-7.5 cm, base oblique, margins doubly serrate in distal 1/2-3/4, singly serrate proximally, basal teeth 6 or fewer, rounded, less distinct, apex acuminate;

surfaces abaxially tomentose, dense tufts of white hair in axils of major veins, adaxially harshly scabrous, trichomes pointed toward apex, margins ciliate.

fascicles, 2-5-flowered, 0.5 cm;

pedicel 0.75-1 cm.

dense fascicles less than 2.5 cm, 8-20-flowered, flowers and fruits not pendulous, subsessile;

pedicel 1-2 mm.

calyx deeply lobed, more than 1/2 its length, lobes 6-9, hairy;

stamens 5-6, anthers reddish purple;

stigmas white, pubescent, exserted and spreading.

calyx green to reddish, shallowly lobed, lobes 5-9, reddish pubescent;

stamens 5-9;

anthers reddish;

stigmas exserted, pink reddish.

somewhat thickened, not inflated.

thickened, not inflated.

hard.

soft.

green to tan, elliptic to oval, ca. 0.75-1 cm, pubescent, margins ciliate, cilia ca. 0.5 mm.

yellow to cream, suborbiculate, 12-18 mm diam., broadly winged, samaras pubescent on body only, rusty-tomentose, margins glabrous.

= 28.

= 28.