Flora of North America species comparison

glabrous or sparsely and unevenly tomentose when young.

nearly always glaucous, glabrous.

usually 1.

single or clustered.

evenly distributed; petiolate;

blades ovate to oblanceolate, 2–10 × 0.5–2(–4) cm, bases tapered, margins lobulate to dentate, ultimate margins often secondarily dentate to denticulate (distal leaves sessile).

(thickish and turgid) progressively reduced distally; petiolate;

blades ovate or obovate to lanceolate, 4–9(–15+) × 1.5–3(–4+) cm, bases tapered, margins wavy or subentire (often with callous denticles; mid and distal leaves sessile, bractlike).

0.

8–10;

corolla laminae 4–10 mm.

± 21, 4–6 mm, tips usually green, sometimes black.

± 13 (± 21), 6–9 mm, tips green to brownish (not blackened).

of 2–4(–6+) bractlets (prominent, black-tipped, lengths about 1/4 phyllaries).

of 1–3+ oblong to lance-linear bractlets (less than 3 mm).

8–20 in loose, corymbiform arrays.

(3–)8–24+ in corymbiform arrays.

usually sparsely hairy, sometimes nearly glabrous.

glabrous.

= 40.

= 40.