Flora of North America species comparison

erect, glabrous.

erect, glabrous.

alternate;

sessile or subsessile;

blade spatulate proximally to linear or narrowly elliptic distally, (5–)10–20(–40) × (0.5–)1–3(–5) mm, base acute or obtuse, apex acute to acuminate, surfaces glabrous.

with persistent, largebasal rosette, sometimes withered at anthesis, brown leaves usually present; alternate;

sessile or subsessile;

basal blade linear-lanceolate to linear, (30–)35–70(–140) × 2–7 mm, cauline blade abruptly reduced to bracts of inflorescence, base obtuse, apex acute, obtuse, or rounded, surfaces glabrous.

capitate to densely cylindric, (0.5–)1–2(–4) × 0.5–1.4 cm;

peduncle 0.3–2.5(–3) cm;

bracts subpersistent to tardily deciduous, subulate.

in cymose panicles, ± flat-topped, 5–11 × 6–20 cm; each stem with to 150 racemose branches, 2–5 × 1–1.5 cm;

central ones nearly sessile, lateral ones with peduncle to 3 cm;

bracts persistent, narrowly lanceolate-ovate.

0.4–1.5 mm, glabrous.

winged, 2–4 mm, glabrous.

usually pink, purple, or reddish purple, rarely white, sometimes greenish tinged, sepals sometimes pink or white, 4–6 mm;

sepals oval, elliptic-ovate, or lanceolate, 1–3 mm;

wings ovate to broadly elliptic, (2.6–)4.5–6.3 × (1–)2.5–3.5 mm, apex obtuse to broadly rounded, sometimes minutely apiculate, rarely acute;

keel 2.5–3 mm, crest 2-parted, with 2–4 lobes on each side.

bright yellow, becoming pale yellow to green on drying, 4.5–6.4 mm;

sepals decurrent on pedicel, ovate to lanceolate-ovate, (1–)1.5–3.2 mm, sometimes sparsely ciliolate;

wings elliptic to obovate or oblanceolate, (2–)4–6.2 × 1.4–2.2 mm, apex abruptly cuspidate, involute;

keel 4.5–4.8 mm, crest 2-parted, with 2 or 3 entire or 2-fid lobes on each side.

usually with flattened, sterile base, cuneate-subglobose, 2.5–3 × 2–2.5 mm, margins not winged (sometimes with raised rim).

subglobose, 1–1.5 × 1–1.5 mm, margins not winged.

1.3–1.7 mm, pubescent;

aril 1–1.3 mm, lobes usually (1/2–)2/3 to ± length of seed, rarely minute.

0.6–0.9 mm, glabrous;

aril minute (usually appearing vestigial, usually less than 0.05 mm), unlobed.

= 64, 68.