Flora of North America species comparison

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

erect, usually unbranched below inflorescence, sometimes branched at base.

divergent;

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

alternate, spreading;

stipular glands present or absent;

blade linear, 15–30 × 0.6–1.4 mm, margins entire or distalmost glandular-toothed, not ciliate, apex long-attenuate.

open panicles.

ascending or spreading cymes.

erect in fruit, to 20–25 mm.

4.5–9 mm.

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.

sepals deciduous, lanceolate, inner sepals slightly shorter than outer, outer ones 4.5–7 mm, margins of inner sepals narrowly scarious, all glandular-toothed, apex short-awned;

petals orange-yellow, broadly obovate, 10–17 mm;

stamens 4.5–7 mm;

anthers 0.8–2.3 mm;

staminodia absent;

styles connate nearly to apex, 4–6 mm;

stigmas capitate.

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

ovoid, 4–5 × 3.4–3.7 mm, thick textured, apex obtuse, dehiscing into 5, 2-seeded segments, segments persistent on plant, false septa complete, proximal part membranaceous, not terminating in loose fringe, distal part cartilaginous, margins ciliate.

4–6 × 2.5–3 mm.

2.3–2.8 × 1–1.3 mm.

= 30.

= 60.