Flora of North America species comparison

white-tomentose, sometimes lightly so, usually not glandular, rarely glandular near bases.

loosely tomentose, not glandular.

blades linear-lanceolate to elliptic or oblanceolate, 2.5–10 cm × 2–10 mm (relatively even-sized), bases not clasping, not decurrent, margins flat, faces bicolor, abaxial white-tomentose, adaxial green, usually glabrous or slightly glandular, sometimes with persistent light tomentum.

blades narrowly oblanceolate, 3–8 cm × 3–6 mm (gradually smaller distally, becoming linear), bases not clasping, decurrent 5–14 mm, margins flat, faces concolor, loosely tomentose, sessile-glandular beneath tomentum.

broadly campanulate, 5–7 mm.

turbinate-campanulate, (4–)5–6 mm.

38–96.

35–55.

4–8(–11).

(2–)4–7.

in 4–6 series, white (opaque, usually shiny, sometimes dull), ovate to ovate-oblong, glabrous or tomentose (bases).

in 3–4(–5) series, whitish (hyaline or opaque, usually shiny, sometimes dull), ovate to ovate-oblong (outer broadly acute, inner rounded-apiculate), glabrous.

in corymbiform (sometimes rounded to elongate) arrays.

in loose to dense, corymbiform to paniculiform arrays.

ridged, smooth.

ridged, densely papillate-roughened.