Flora of North America species comparison

erect or spreading, branched mostly proximally, secondary branches few or none, branching not dichotomous, (5–)10–40 cm.

little reduced distally, crowded, 10–25 × 1–3 mm;

petiole 0–5 mm;

blade narrowly lanceolate or elliptic to sublinear.

with flowers arising as proximally as first 1–3 nodes from base.

sepals 0.8–1.4 mm, reflexed singly or in pairs;

petals 1.3–1.8 mm;

pollen 90–100% fertile;

stigma subglobose, surrounded by anthers at anthesis.

ascending, flattened, 10–15 × 0.8–1.4 mm, not constricted between seeds, valve margins entire or slightly undulate, all valves free from septum after dehiscence, septum straight;

pedicel 0.4–2 mm.

(10–)14–34, all developing, arranged obliquely to septum and subopposite seeds in adjacent locule, forming 2 even rows in capsule, light to dark brown, 0.8–1 × 0.3–0.5 mm, glabrous or densely puberulent.

= 28.