Flora of North America species comparison

stiffly spreading-ascending, branched at base and distal to middle.

erect, unbranched or few-branched at base (all flowering).

alternate or proximalmost opposite, crowded at base, appressed-ascending;

stipular glands absent;

blade oblanceolate to lanceolate or linear-lanceolate, 8–17 × 1.2–2.3 mm, margins entire, not ciliate, apex apiculate.

divergent;

blade linear to linear-lanceolate, 10–40 × 1.5–5 mm.

few-flowered racemes.

open panicles.

(5–)20–30(–60) mm.

erect in fruit, to 20–25 mm.

sepals persistent, lanceolate to lance-ovate, 4.5–7 mm, margins narrowly scarious, inner sepals conspicuously toothed, outer ones very coarsely glandular-toothed, sometimes sparsely so, apex acuminate or narrowly acute;

petals lemon yellow, obovate, 9–15 mm;

stamens 5–7 mm;

anthers 1–2 mm;

staminodia absent;

styles connate to within 0.8–3 mm of apex, 5.7–9 mm;

stigmas capitate.

homostylous;

sepals ovate, 6–9 mm, margins of inner sepals minutely ciliate, outer ciliate, apex acuminate;

petals usually blue, rarely white, obovate, 10–15 mm;

stamens 5–7 mm;

anthers 1–1.5 mm;

staminodia present;

styles distinct or connate at base, 3–6 mm;

stigmas linear or clavate.

ovoid (distinctly longer than broad), 3.5–4.6 × 2.5–3.1 mm, apex sharp-pointed, dehiscing completely into 5, 2-seeded segments (very easily crushed), segments persistent on plant, false septa incomplete, proximal margins terminating in loose fringe, cartilaginous plates at base of segments poorly developed.

ovoid to subglobose, 6–10 × 5–10 mm, apex rounded, dehiscing incompletely, segments falling freely, margins ciliate or not.

2.5–3 × 0.9–1.2 mm.

4–6 × 2.5–3 mm.

= 30.

= 30.