Plants winter annual or biennial, candelabra-form. Stems solitary, erect, straight; branches distal, distal longest, antrorse, straight, hairy. Leaves: blade 13.8–78 × 3.8–20 mm, widest intersinus distance 2.5–15.8 mm; proximal oblanceolate to elliptic, margins entire or serrate to pinnate, teeth or lobes (0–)8–14(–22), slightly antrorse, 0.3–5.3 mm; distal elliptic to lanceolate, base usually clasping, rarely a few not clasping, margins usually serrate to pinnate, occasionally entire, teeth or lobes (0–)6–18, slightly antrorse, 2.8–4.3(–6.1) mm; abaxial surface with simple grappling-hook, occasionally complex grappling-hook, and rarely needlelike trichomes, adaxial surface occasionally with simple grappling-hook and needlelike trichomes. Bracts: margins usually entire, rarely pinnate. Flowers: petals golden yellow, 6.4–17(–20) × 2–5.3 mm, apex usually acute, occasionally rounded, glabrous abaxially; stamens golden yellow, 5 outermost petaloid, filaments linear to oblanceolate, slightly clawed, 6.2–14.2(–17.5) × 1–3.9 mm, usually without, rarely with, anthers, second whorl with anthers; anthers straight after dehiscence, epidermis smooth; styles 6–11 mm. Capsules cup-shaped, 7.3–13.7 × 5.5–9.8 mm, base rounded, not longitudinally ridged. Seeds: coat anticlinal cell walls straight, papillae 5–18 per cell. 2n = 22.
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