Flora of North America species comparison

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

root-stocks, horizontal, branched, bearing terminal rosettes.

erect, simple, 3–14 cm;

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

offsets not formed.

erect, mostly simple, 16–25 cm;

leaf blades oblanceolate-oblong or oblanceolate-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 to ascending, sessile;

blade blue-green with white margins (unique in flora area), glaucous, oblanceolate, oblanceolate-oblong, or spatulate, laminar, (14–)28–67 × (5–)11(–18) mm, base not spurred, not scarious, (margins somewhat erose), apex widely rounded or truncate, sometimes emarginate.

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

branches not recurved, forked;

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

elongated, paniculate cymes, 20–55-flowered, 3–15-branched;

branches not recurved, forked;

bracts similar to leaves, smaller.

2–8 mm.

3–5(–8) 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 erect, connate basally, green or sometimes slightly glaucous, lanceolate, equal, ca. 4.5 × 2.5 mm, apex acute or subacute, (sometimes minutely papillose-ciliate);

petals erect proximally, slightly spreading distally, (imbricate), connate basally, yellow, oblanceolate-oblong, often with minute, mucronate appendage, not carinate, ca. 9.5 mm, (distal margins erose), apex acute or obtuse;

filaments pale green;

anthers yellow;

nectar scales white, transversely oblong.

divergent in fruit, connate basally, brown.

suberect, distinct, brown.

= 30.

= 30.