Flora of North America species comparison

rootstocks, decumbent and ascending, branched, (sometimes papillose), bearing terminal rosettes and above ground shoots.

decumbent, branched, bearing erect rosettes.

erect, simple or branched, 3–18 cm;

leaf blades elliptic-lanceolate, base short-spurred;

offsets not formed.

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

leaf blades ovate-elliptic, base not spurred;

offsets not formed.

(not easily detached), alternate, spreading-erect to erect or ascending, sessile;

blade dull gray-green or bluish green, green, or reddish green, often glaucous, lanceolate, elliptic-lanceolate, or elliptic-ovate, subterete, 4.2–13 × 1.5–3.5 mm, base very short-spurred, base of withered blade at times becoming scarious, apex obtuse or obtusely apiculate, (surfaces papillose).

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).

cymes, 5–25-flowered, (1–)3(–6)-branched;

branches ascending, spreading to erect, or recurved, forked;

bracts similar to leaves.

cymes, 2–7-flowered, 2-branched;

branches not recurved, forked;

bracts similar to leaves, smaller.

absent or to 3 mm.

to 1.2 mm.

5-merous;

sepals erect, connate basally, pale green to yellow-green, ovate or lanceolate, equal, 2–5 × 1–2 mm, apex acute or, rarely, obtuse, (often papillose);

petals widely spreading from suberect base, distinct, canary to golden yellow, lanceolate, elliptic-lanceolate, or linear-lanceolate, canaliculate, 6–9.2 mm, apex acute to acuminate with minute mucronate appendage;

filaments yellow;

anthers yellow, sometimes suffused with red;

nectar scales deep yellow to yellow-green, obovately square.

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.

erect in fruit, basally connate, brown.

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

= 16.

= 14–18.