Flora of North America species comparison

trailing (nonflowering shoots ascending at tip), laxly branched, not bearing rosettes.

erect or ascending, simple or much-branched, (glandular-hairy), not bearing rosettes.

erect, usually simple, 5–10(–15) cm;

leaf blades triangular-ovate, base short-spurred;

offsets not formed.

spreading or erect, simple, 5–15 cm, (glabrous or with scattered glandular hairs);

leaf blades linear to oblong, base not spurred;

offsets not formed.

(usually deciduous, if persistent, then blade white, soft, papery), alternate, (densely imbricate), spreading, sessile;

blade yellow-green, not glaucous, triangular-ovate, terete to semiterete (elliptic in cross section), (2–)5(–8) × 1–4 mm, base obtusely short-spurred, not scarious, apex obtuse.

alternate, ascending, sessile;

blade green, sometimes glaucous, linear to oblong, semiterete or ± laminar, 4–20 × 1–2 mm, base not spurred, not scarious, apex obtuse, (surfaces usually glabrous or, rarely, glandular-hairy).

cymes, 2–12-flowered or flowers solitary, monochasially (1–)2(–3)-branched;

branches not recurved, rarely forked;

bracts similar to leaves, smaller.

lax to ± dense cymes, 2–8-flowered or flowers solitary, 2–4-branched;

branches not recurved, not forked;

bracts similar to leaves, smaller.

absent or to 1 mm.

to 0.5 mm.

5-merous;

sepals erect to spreading, distinct basally, green, oblong-ovate, unequal, 2–3 × 1.3–2.3, mm, apex obtuse;

petals spreading, distinct, bright yellow, oblong-ovate to lanceolate, not carinate, 5–9 mm, apex acute to acuminate;

filaments yellow;

anthers yellow, (oblong);

nectar scales yellowish green, square.

5–9-merous;

sepals erect, connate basally, green, broadly triangular, equal, ca. 2 × 1 mm, apex acute, (glandular-pubescent);

petals spreading, distinct, white with pinkish midvein, lanceolate, not carinate, 4–5(–7) mm, apex narrowly acuminate;

filaments white;

anthers dark purple;

nectar scales white, spatulate-quadrate.

stellately patent in fruit, distinct, yellowish.

stellate-spreading in fruit, connate basally, white or pale pink.

= 40, 60, 80, 100, 120.

= 40.