Flora of North America species comparison

rhizomatous, procumbent or creeping, much-branched, bearing terminal rosettes.

erect, simple or branched, not forming rosettes.

erect, simple, 3–14 cm;

leaf blades spatulate-oblong or elliptic-oblong, base not spurred;

offsets not formed.

erect, simple, 3–15 cm;

leaf blades linear-oblong or obovate-elliptic, base not spurred;

offsets not formed.

alternate, spreading, petiolate;

blade green, often glaucous or pruinose, spatulate, terete to laminar, 7–19 × 4.5–10 mm, base not spurred, not scarious, apex rounded or truncate, submucronate, (surfaces papillose marginally).

alternate, spreading-erect, sessile;

blade pea green, not glaucous, linear-oblong or oblong-elliptic, terete or subterete, ca. 6 × 2 mm, base not spurred, not scarious, apex obtuse, (surfaces papillose).

cymes, ca. 30-flowered, ca. 3-branched;

branches not recurved, forked;

bracts oblong-spatulate or linear, ca. 3 cm, base not spurred.

corymbiform cymes, 3–15-flowered, 2–3-branched;

branches not recurved, not forked;

bracts similar to leaves, smaller.

2–8 mm.

absent or to 1 mm.

5-merous;

sepals spreading to erect, connate basally, green or yellow-green, glaucous or pruinose, lanceolate, linear-lanceolate, oblong-ovate, or obovate, equal, ca. 2.5 × 1.5 mm, apex acute or obtuse;

petals widely spreading from short, erect base, distinct or slightly connate basally, yellow, linear to oblanceolate, not carinate, 4.5–9 mm, apex acute;

filaments yellow;

anthers yellow;

nectar scales yellow, reniform or nearly square.

5-merous;

sepals spreading, distinct, green, lanceolate, unequal, 1.5–2.5 × 0.5–1 mm, apex acute;

petals divergent in distal 1/2 from erect base, distinct, yellow, narrowly lanceolate, slightly carinate, 3–5 mm, apex acute;

filaments yellowish or greenish;

anthers yellow;

nectar scales yellow, oblong.

divergent in fruit, connate basally, brown.

stellately spreading in fruit, distinct, light brown or yellow.

= 30.

= 22.