Flora of North America species comparison

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

± procumbent, branched, (glabrous or glandular-hairy), not bearing rosettes.

erect, simple, 3–14 cm;

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

offsets not formed.

erect (or ascending), simple, 15–40 cm, (glabrous or glandular-hairy);

leaf blades linear-lanceolate, base 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, (imbricate), erect, sessile;

blade green, sometimes glaucous, linear-lanceolate, terete, 10–15 × 1–2.5 mm, base spurred, not scarious, apex mucronate, (surfaces glabrous).

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

branches not recurved, forked;

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

terminal corymbiform cymes (erect and flat-topped in bud), 10–50+-flowered, 3–5-branched;

branches scarcely recurved, sometimes forked;

bracts similar to leaves, glandular-pubescent.

2–8 mm.

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–)6–8-merous;

sepals erect, connate basally, gray-green, lanceolate, equal, 3–6 × 1–2 mm, apex long-acuminate, (densely glandular-pubescent);

petals erect or suberect, distinct, yellowish, lanceolate, carinate, 8–10 mm, apex acute;

filaments white, (glabrous);

anthers yellow;

nectar scales greenish, square.

divergent in fruit, connate basally, brown.

erect in fruit, connate basally, brown.

= 30.

= 34, 68, 102.