Flora of North America species comparison

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

root-stocks and erect shoots, branched proximally, sometimes bearing rosettes.

erect, simple, 3–14 cm;

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

offsets not formed.

erect or ascending, simple or branched, 1–4(–9) cm, (with small glistening patches);

leaf blades linear-oblanceolate, base truncate or 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 to ascending, sessile;

blade blue-green, not glaucous, linear-oblanceolate, terete to subterete, 4–9(–15) × 1–2 mm, base broadly spurred, not scarious, apex obtuse.

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

branches not recurved, forked;

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

compact, 3-parted cymes, (5–)10–25-flowered, monochasially branched;

branches erect to spreading or recurved, rarely forked;

bracts suboblong, base truncate or spurred.

2–8 mm.

absent.

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.

5–6-merous;

sepals erect to spreading, distinct, blue-green, linear to narrowly oblong, unequal, ca. 2–4(–6) × 0.7–1.5 mm, apex obtuse;

petals spreading, distinct, white tinged with purple, oblong, somewhat carinate, 4–7 mm, apex acute or broadly mucronate;

filaments white;

anthers purplish;

nectar scales dark pink, spatulate.

divergent in fruit, connate basally, brown.

stellately spreading in fruit, distinct, stramineous.

= 30.

= 19, 22, 24, 44, 52.