Flora of North America species comparison

rootstocks, decumbent and ascending, branched, (sometimes papillose), bearing terminal rosettes and above ground shoots.

(primary) repent, branched, bearing axillary rosettes.

erect, simple or branched, 3–18 cm;

leaf blades elliptic-lanceolate, base short-spurred;

offsets not formed.

erect or ascending, simple, 0.5–4.5 cm;

leaf blades obovate, oblanceolate, or elliptic-ovate, base short-spurred;

offsets not formed.

(not easily detached), alternate, spreading-erect to erect or ascending, sessile;

blade dull gray-green or bluish green, green, or reddish green, often glaucous, lanceolate, elliptic-lanceolate, or elliptic-ovate, subterete, 4.2–13 × 1.5–3.5 mm, base very short-spurred, base of withered blade at times becoming scarious, apex obtuse or obtusely apiculate, (surfaces papillose).

alternate or, rarely, nearly opposite, spreading, sessile;

blade dark green to yellow-green, speckled with red, not glaucous, obovate to oblanceolate, subterete, 4.8–9 × 2.2–4.2 mm, base spurred, not scarious, apex rounded or obtuse with minute mucronate appendage, (surfaces papillose).

cymes, 5–25-flowered, (1–)3(–6)-branched;

branches ascending, spreading to erect, or recurved, forked;

bracts similar to leaves.

cymes, 2–9-flowered, or flowers solitary, 1–3-branched;

branches not recurved, not forked;

bracts similar to leaves, smaller.

absent or to 3 mm.

absent or to 1 mm.

5-merous;

sepals erect, connate basally, pale green to yellow-green, ovate or lanceolate, equal, 2–5 × 1–2 mm, apex acute or, rarely, obtuse, (often papillose);

petals widely spreading from suberect base, distinct, canary to golden yellow, lanceolate, elliptic-lanceolate, or linear-lanceolate, canaliculate, 6–9.2 mm, apex acute to acuminate with minute mucronate appendage;

filaments yellow;

anthers yellow, sometimes suffused with red;

nectar scales deep yellow to yellow-green, obovately square.

5(–8)-merous;

sepals divergent or suberect, distinct, lanceolate, oblong-lanceolate, or oblanceolate-elliptic, unequal, 4.4–7.2 × 1.2–1.7 mm, apex acute to obtuse, (sometimes papillose);

petals basal 1/3 erect, widely spreading distally, slightly connate basally, white streaked with pink, lanceolate, not carinate, 3.5–10 mm, apex acute with minute mucronate appendage;

filaments white, streaked with red;

anthers dark red;

nectar scales yellow, orange, or pink, stipitate-reniform or subquadrate.

erect in fruit, basally connate, brown.

erect in fruit, connate basally, pale brown.

= 16.

= 32, ca. 128.