Flora of North America species comparison

erect, usually branched from near base and in inflorescence.

erect, usually unbranched proximal to inflorescence, sometimes branched from decumbent base.

blade linear to linear-lanceolate, 5–25 × 1–1.5 mm.

blade narrowly elliptic to oblanceolate or narrowly obovate or oblong, larger 5–18 × 1.4–3.1 mm, largest at midstem, reduced in size both proximally and distally, apex obtuse to acute.

open panicles.

panicles.

10–25 mm.

6–35 mm.

homostylous;

sepals ovate, 4–5.5 mm, margins of inner sepals minutely ciliate, outer glabrous, apex acute to acuminate;

petals blue, obovate, 6–10 mm;

stamens 4–5 mm;

anthers 1–2.5 mm;

staminodia present or absent;

styles distinct, 2 mm;

stigmas linear or clavate.

sepals broadly lanceolate to ovate, outer sepals 2–3 mm, inner sepals broader, shorter, margins of all or sometimes only of inner sparsely but conspicuously glandular-toothed, apex acute to acuminate;

petals white or whitish, base yellowish, 2–5 mm, obovate;

stamens 1 mm, anthers 0.2–0.3 mm;

styles 0.5–1 mm.

broadly ovate to subglobose, 4–6 × 4–6 mm, apex very sharp-pointed, segments ± persistent on plant, margins ciliate.

ovoid, 2–2.5 × 2 mm, fragile and subject to crushing when pressed;

segments persistent on plant, septa margins ciliate.

2.5–3 × 1.5–2 mm.

1–1.5 × 0.6–0.8 mm.

= 30.

= 16.