Flora of North America species comparison

nearly always glaucous, glabrous.

(± turgid or subsucculent) unevenly villous-tomentose, glabrescent.

single or clustered.

usually single, rarely clustered.

(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).

progressively reduced distally (basal usually withering before flowering);

petiolate (petioles winged);

blades oblanceolate to spatulate, 4–7 × 1.5–3 cm, bases tapered, margins incised (distal leaves sessile, bractlike).

8–10;

corolla laminae 4–10 mm.

± 8 (± 13?);

corolla laminae 5–6 mm.

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

± 13, 6–7 mm, tips green.

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

of 1–5+ linear to subulate bractlets (to 4 mm).

(3–)8–24+ in corymbiform arrays.

6–10(–20) in cymiform arrays.

glabrous.

usually hairy (especially on angles), sometimes glabrous.

= 40.

= 40.