Flora of North America species comparison

0.6–4 × 0.15–1.2 cm, fascicles of small leaves often absent or much reduced, sometimes to 1.5 cm;

blade very narrowly elliptic or narrowly lanceolate to ovate, base truncate or subcordate and clasping, rarely nearly clasping, margins entire or sparsely serrulate, rarely crinkled-undulate.

0.3–4 × 0.04–0.3(–0.4) cm, fascicles of small leaves to 1.5 cm often present in axils;

blade filiform to narrowly lanceolate, base attenuate, margins entire or remotely serrulate, sometimes undulate.

buds with free tips 0.5–3 mm;

floral tube 20–50 mm;

sepals 9–26 mm;

petals 12–35 mm;

filaments 5–12 mm, anthers 4–13 mm;

style 25–70 mm.

buds with free tips 0.5–4 mm;

floral tube 16–50 mm;

sepals 7–17 mm;

petals 12–23 mm;

filaments 6–13 mm, anthers 6–11 mm;

style 26–60 mm.

= 14, 28.

= 14.