Flora of North America species comparison

erect, branches few, fastigiate or spreading-ascending.

spreading to ascending or erect, branched from base.

alternate, erect;

stipular glands present or absent;

blade linear, 11–30 × 0.7–1.6 mm, margins entire or distally sparsely toothed, not ciliate, apex acute.

proximalmost opposite, middle and distal alternate, closely imbricate, proximal leaves spreading-ascending, distal strongly appressed;

stipular glands absent;

blade linear-lanceolate, 5–9 × 0.5–1.2 mm, margins entire, distal leaves sparsely ciliate, apex short-awned;

midrib cartilaginous.

panicles or cymes.

panicles;

bracts ciliate.

4.5–9 mm.

2–11 mm.

sepals deciduous, lanceolate to broadly lanceolate, 5.5–9.5 mm, margins of inner sepals conspicuously scarious, all conspicuously glandular-toothed, apex sharply acute to acuminate;

petals coppery yellow or orange, red-lined or with short pale to deep brown-red zone at base, obovate with short claw, 6–18 mm;

stamens 6–8 mm;

anthers 1–1.8(–2.3) mm;

staminodia absent;

styles connate nearly to apex, 3–11 mm;

stigmas pale, capitate.

sepals persistent, ovate, 4.2–6.1 mm, margins broad, purplish, scarious, prominently toothed distally, not glandular-toothed, apex conspicuously awn-shaped;

petals yellow, with or without dark red base, obovate, 6.5–8 mm;

stamens 5 mm;

anthers 0.6–1.2 mm;

staminodia absent;

styles connate to within 0.3–0.8 mm of apex, 2–4.3 mm;

stigmas capitate.

ellipsoid, 3.5–4.5 × 2.6–3.4 mm, apex obtuse, dehiscing into 5, 2-seeded segments, segments blunt or subacute, persistent on plant, false septa complete, proximal part membranaceous, not terminating in loose fringe, distal part cartilaginous, margins not ciliate.

broadly ovoid, 2.6–3 × 2.9–3.3 mm, apex rounded, dehiscing into 5, 2-seeded segments, segments persistent on plant, false septa hyaline, with cartilaginous portion conspicuously broader near base, proximal margin appressed-pilose, otherwise glabrous.

2.6–3.6 × 0.9–1.2 mm.

2–2.6 × 1.1–1.5 mm.

= 30.

= 30.