Flora of North America species comparison

0–10 mm.

0–20 mm.

50–120 × 1–4 mm;

blade linear, margins entire or toothed, veins conspicuous or not, surfaces villous or lanate, rarely glabrate.

(80–)100–400(–550) × (5–)10–35(–40) mm;

blade oblanceolate or almost linear, margins entire, veins conspicuous, 4 or 5, surfaces glabrous.

200–1500 mm, hairy, hairs antrorse, long and short.

300–400 mm, glabrous or sparsely hairy, becoming densely so distally.

greenish or brownish, 70–150 mm, densely flowered, flowers in whorls or pairs;

bracts ovate, 1–2 mm, length 0.3–0.8 times sepals.

greenish or brownish, 350–450 mm, loosely flowered;

bracts ovate to deltate, 3–4 mm, length 1.5–2.5 times sepals.

sepals 2.5–3.4 mm;

corolla radially symmetric, lobes reflexed, 2–2.7 mm, base obtuse or slightly cordate;

stamens 4, connective elongated, apex acute.

sepals 1.5–2 mm;

corolla radially symmetric, lobes spreading, 1.5–2 mm, base obtuse;

stamens 4.

ovoid, indehiscent or dehiscence not circumscissile.

2, 2.1–2.9 mm.

1 or 2, 4–5 mm.

= 20.

= 24.