Flora of North America species comparison

rhizomes, horizontal, much-branched, bearing rosettes.

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

erect, simple, (6–)10–28 cm;

leaf blades suborbiculate or obovate, 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, ascending to spreading, sessile to subsessile;

blade green, glaucous, not strongly pruinose, obovate or oblanceolate, subterete, 10–36 × 5–16 mm, base not spurred, not scarious, apex emarginate to retuse.

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).

panicles, 10–120-flowered, 3–20-branched;

branches not recurved, dichotomously forked;

bracts similar to leaves, smaller.

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.

2–5 mm.

1–3.5 mm.

5-merous;

sepals (persistent, closely appressed to corolla tube), erect, connate basally, greenish, ovate, equal, 3.2–3.5 × 1–3 mm, apex subacute;

petals (persistent until fruiting), erect basally, divergent apically, connate basally, creamy white, yellowish white, or pale yellow, elliptic-oblong or oblanceolate-oblong, cucullate, 5–9(–11.5) mm, apex abruptly pointed;

filaments pale yellow;

anthers yellow;

nectar scales white or yellow, subreniform.

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.

erect in fruit, distinct, brown, (strongly 5-veined).

erect in fruit, distinct, pale brown.

= 90.

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