Flora of North America species comparison

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

procumbent, creeping, or spreading, with ascending or erect branches, (tuberculate), not bearing rosettes.

erect, simple or branched, 3–18 cm;

leaf blades elliptic-lanceolate, base short-spurred;

offsets not formed.

erect, simple, 1–5 cm, (papillose);

leaf blades elliptic, base short-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).

alternate, (imbricate to subimbricate), erect to spreading, sessile;

blade bright green, sometimes glaucous, suboblong to ovate, somewhat flattened to terete, 4–9 × 1–2 mm, base widened, short-spurred, not scarious, apex obtuse, (surfaces smooth or papillose).

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

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

bracts similar to leaves.

3-parted cymes, 2–10-flowered or flowers solitary, simple or monochasially 1-branched;

branches erect to slightly recurved, not forked;

bracts similar to leaves, sometimes imbricate.

absent or to 3 mm.

absent or to 1.5 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 to suberect, distinct basally, green to pinkish, linear or lanceolate, slightly unequal, 3–5 × 0.2–1 mm, apex obtuse;

petals spreading, distinct basally, white, suboblong, not carinate, 5–6.5 mm, apex obtuse, shortly mucronate;

filaments white to pale pink;

anthers red or purplish;

nectar scales whitish to pale pink, oblong, (retuse).

erect in fruit, basally connate, brown.

divergent or stellately spreading in fruit, distinct, red to purple or stramineous with reddish to purplish striations.

= 16.

= ca. 36–50, 68–72.