Flora of North America species comparison

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

rootstocks, erect, rarely branched, (smooth or papillose), bearing erect shoots and axillary rosettes.

erect, simple, 3–14 cm;

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

offsets not formed.

erect, simple, 5–10 cm, (sometimes papillose distally);

leaf blades oblanceolate-elliptic, oblanceolate-oblong, or spatulate, base short-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 green or yellow-green, sometimes glaucous, obovate or oblong-spatulate, laminar, 9.5–15 × 1.5–3.5 mm, base spurred, not scarious, apex rounded to 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.

3-parted cymes, (4–)10–27-flowered, 1–3-branched, sometimes monochasially;

branches ± arched, spreading, or sometimes recurved, sometimes forked;

bracts similar to leaves, smaller.

2–8 mm.

1–3.5 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 to spreading, distinct basally, yellow-green to yellow, lanceolate-linear or clavate-oblong, unequal, 4.5–12 × 1.4–2.6 mm, apex acute or obtuse, (papillose);

petals erect, curving upward distally, distinct, rarely slightly connate, white streaked with pink, lanceolate-elliptic, not carinate, 5–8 mm, apex obtuse, with minute mucronate appendage;

filaments white;

anthers purple or brown;

nectar scales yellow or creamy white, square.

divergent in fruit, connate basally, brown.

erect in fruit, distinct, pale brown.

= 30.

= 28, 30, 32, (34), 58, 64.