Perennial, fibrous and nonfibrous petiolar remains present at base. Stems 1 to many, 19–50– cm tall, 4–7 mm diam., slightly ridged, pubescent only at upper half or nodes. Basal leaves 2-pinnate, lanceolate in outline, 4–28 × 4–8 cm, glabrous, terminal leaf segment lanceolate, 5–20 × 2.5–6 mm, acute. Stem leaves 1–2-pinnate, reduced to upwards, lanceolate, –12–20 × 0.8–4 cm, leaf segments lanceolate, 5–30 × 5–9 mm, acute; sheaths 1–3 × 0.8–1.2 cm, margin whitish, hairy. Main umbel similar to lateral umbels, rays 12–34, 1–3.5 cm, densely scabrid, ±equal. Bracts 0–1, linear or broad oblong, 5–6 × 1.5–4 mm, densely hairy, acuminate or truncate. Umbellules 4–7 mm diam., 25–35-flowered. Bracteoles connate at base, 10– 12, linear, c. 3 × 1 mm, densely hairy, acuminate. Pedicels 0.5–1 mm, densely pubescent. Sepals triangular, 0.5 mm, persistent in fruit. Petals white, incurved, dorsally scabrid. Filaments and anthers pink-white, anther versatile. Ovary densely pubescent. Stylopodium conical. Fruits oblong-ovoid, 3 × 1.5 mm, densely pubescent. Fl: 7–8.