Flora of North America species comparison

erect, usually unbranched proximal to inflorescence, sometimes branched from decumbent base.

stiffly ascending, suffrutescent from woody branching base.

blade narrowly elliptic to oblanceolate or narrowly obovate or oblong, larger 5–18 × 1.4–3.1 mm, largest at midstem, reduced in size both proximally and distally, apex obtuse to acute.

alternate, tightly appressed or ascending to spreading;

stipular glands present throughout, dark;

blade linear to linear-lanceolate, proximal and midstem leaves 3–10(–12) mm, distal leaves 3–7 × 0.6–1 mm, margins of proximal and midstem leaves entire, distal serrulate, teeth usually gland-tipped, not ciliate, apex of proximal and midstem leaves mucronate, distal acuminate-aristate.

panicles.

few-flowered panicles;

bracts with irregular scarious margins.

6–35 mm.

2–3 mm, conspicuously articulated.

sepals broadly lanceolate to ovate, outer sepals 2–3 mm, inner sepals broader, shorter, margins of all or sometimes only of inner sparsely but conspicuously glandular-toothed, apex acute to acuminate;

petals white or whitish, base yellowish, 2–5 mm, obovate;

stamens 1 mm, anthers 0.2–0.3 mm;

styles 0.5–1 mm.

sepals deciduous, lanceolate, 4.5–7 mm, margins not scarious, glandular-toothed, apex acute-aristate, glabrous; prominently 1-nerved;

petals pumpkin yellow with a wide, pale, red band distal to a deeply wine red band at base, broadly obovate, 10–13 mm;

stamens 5.5–7 mm;

anthers 1.2–1.6 mm;

staminodia absent;

styles connate nearly to apex, 7–9 mm;

stigmas dark, capitate.

ovoid, 2–2.5 × 2 mm, fragile and subject to crushing when pressed;

segments persistent on plant, septa margins ciliate.

ovoid, 3.7–4 × 3 mm, apex obtuse, dehiscing into 5, 2-seeded segments, segments persistent on plant, false septa complete, translucent, proximal part membranaceous, not terminating in loose fringe, distal part cartilaginous, margins ciliate.

1–1.5 × 0.6–0.8 mm.

2.4–2.7 × 0.9–1.1 mm.

= 16.