Flora of North America species comparison

0.3–1 mm wide, hard, stiff, nearly glabrous or with scattered trichomes near base.

(1–)2–5(–15) mm wide, soft, flexible, essentially glabrous or sparsely to densely pubescent.

(5–)6–16(–19) cm.

(4–)5–17(–25) cm.

racemose, 1–2(–3)-flowered;

proximal 2 flowers, when present, not paired;

bracts 1–7(–12) mm.

umbellate, 1–5(–7)-flowered;

proximal 2 flowers, when present, always paired;

bracts (1–)2–10(–17) mm.

tepals 6–13(–15) × 2–4 mm, usually shorter than pedicel, longer than ovary;

anthers (1.3–)1.8–3.3 mm;

ovary obconic, (2–)3–5(–7) × 1.5–2.5 mm, densely pubescent;

pedicel (5–)10–26(–28) mm, usually 2+ times longer than bracts.

tepals (3–)6–10(–17) × 2–4 (–5) mm, shorter than pedicel, much longer than ovary;

anthers 1.5–3.5(–4) mm;

ovary obconic, (1–)2–4 × (1–)2–4 mm, densely pubescent;

pedicel (6–)9–25(–30) mm, usually 2+ times longer than bracts.

black, lustrous, 0.7–1 mm, with low, rounded sculpturing.

black, lustrous, (0.9–)1–1.5(–1.7) mm, coarsely muricate.