Flora of North America species comparison

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

ascending or sometimes decumbent at base, usually freely branched.

divergent;

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

blade linear to lanceolate or narrowly elliptic, 10–30 × 2–3(–7) mm.

open panicles.

cymes, few-flowered.

erect in fruit, to 20–25 mm.

10–25 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.

heterostylous;

sepals lanceolate, 7–11 mm, margins glabrous, apex acuminate;

petals bright red to maroon, fading to purple, broadly obovate, 15–30 mm;

stamens 8–10 mm;

anthers 5 mm;

staminodia not seen;

styles connate proximal 1/2, 4.5 mm (short-styled) or 8–10 mm (long-styled);

stigmas clavate.

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

ovoid-globose, 6–7 mm diam., apex apiculate, segments persistent on plant, margins not seen.

4–6 × 2.5–3 mm.

2–3 × 0.5–1 mm.

= 30.

= 16.