Flora of North America species comparison

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

(0.5–)0.7–2.1(–2.6) mm wide, soft, usually stiff, sparsely to densely pubescent to pilose.

(4–)5–17(–25) cm.

(20–)35–85(–150) mm, topped by 1 bract or, if flowers 2 or more, bracts more than 1, not opposite.

umbellate, 1–5(–7)-flowered;

proximal 2 flowers, when present, always paired;

bracts (1–)2–10(–17) mm.

racemose, 1–2(–3)-flowered;

proximal 2 flowers, when present, not paired;

bracts (2–)3–8(–15) mm.

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.

tepals 4–8(–10) × (1.4–)2–3(–3.5) mm, shorter to longer than pedicel, less than 1.5 times as long as ovary;

anthers (0.6–)0.9–1.8(–2) mm;

ovary oblanceoloid, (2–)3–6(–8) × 1.5–2.5 mm, usually densely pilose;

pedicel (1–)3–12(–21) mm, usually longer than bracts.

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

dark brown, dull, 0.9–1.1(–1.3) mm, minutely muricate.