Flora of North America species comparison

decumbent, branched, bearing erect rosettes.

± procumbent, branched, (glabrous or glandular-hairy), not bearing rosettes.

erect, decumbent, or ascending, simple, 3–12 cm;

leaf blades ovate-elliptic, base not spurred;

offsets not formed.

erect (or ascending), simple, 15–40 cm, (glabrous or glandular-hairy);

leaf blades linear-lanceolate, base spurred;

offsets not formed.

opposite and decussate (rarely alternate), ascending, sessile;

blade pale green, speckled with pink, sometimes pink or red, glaucous, usually elliptic, oblanceolate, or obovate, sometimes ovate-elliptic, subterete, ± globular, 4.2–7.2 × 2.8–4.3 mm, base not spurred, (clasping), not scarious, apex widely rounded or sometimes weakly emarginate, (surfaces minutely papillose).

alternate, (imbricate), erect, sessile;

blade green, sometimes glaucous, linear-lanceolate, terete, 10–15 × 1–2.5 mm, base spurred, not scarious, apex mucronate, (surfaces glabrous).

cymes, 2–7-flowered, 2-branched;

branches not recurved, forked;

bracts similar to leaves, smaller.

terminal corymbiform cymes (erect and flat-topped in bud), 10–50+-flowered, 3–5-branched;

branches scarcely recurved, sometimes forked;

bracts similar to leaves, glandular-pubescent.

to 1.2 mm.

to 1 mm.

5-merous;

sepals erect, connate basally, pale green, glaucous, lanceolate, equal, 2–4.2 × 1.3–2 mm, apex obtuse, (papillose);

petals basally erect, distally spreading, connate basally, yellow, elliptic-lanceolate, slightly carinate, 6–9 mm, apex obtuse with mucronate appendage;

filaments yellow;

anthers yellow, (sometimes compressed and winged);

nectar scales yellow, orange-red, or salmon-pink, reniform to square.

(5–)6–8-merous;

sepals erect, connate basally, gray-green, lanceolate, equal, 3–6 × 1–2 mm, apex long-acuminate, (densely glandular-pubescent);

petals erect or suberect, distinct, yellowish, lanceolate, carinate, 8–10 mm, apex acute;

filaments white, (glabrous);

anthers yellow;

nectar scales greenish, square.

erect or ascending in fruit, connate basally, straw colored with purple stripes.

erect in fruit, connate basally, brown.

= 14–18.

= 34, 68, 102.