Plants 25–120 cm high, perennial. Taproot stout, woody, branched. Stem rigid, base woody, usually tinged purple, without fibrous remnant sheaths. Leaves long-lanceolate to linear, 10–16 × 0.6–1.4 cm, thinly coriaceous, nerves 9–13, base tapering and clasping, margin conspicuously white-cartilaginous, apex acute or acuminate, apiculate. Upper leaves small. Inflorescence much-branched, umbels numerous, 1.5–4 cm across, lateral umbels often overtopping the terminal; bracts 2–5, lanceolate or squamose, 1–4 × 0.2–1 mm, unequal; rays 3–4(–7), 1–3 cm, unequal; bracteoles 5, lanceolate, 1.5–2.5 × 0.5–1 mm, shorter than pedicels, apex apiculate, margin white-scarious; umbellules 4–9 mm across, (6–)8–10(–12)-flowered. Petals pale yellow. Stylopodium low-conic, dark yellow. Fruit oblong, brown, 3.5–4.5 × 1.8–2.2 mm; ribs prominent; vittae 3 in each furrow, 4 on commissure. Fl. Jun–Sep, fr. Sep–Nov. n = 12*.
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A herb. It grows 25-120 cm tall. It keeps growing from year to year. It has a stout taproot that is softly woody and branched. The stem is rigid and woody at the base. The stem usually has a purple tinge. The leaves are narrowly sword shaped and 10-16 cm long by 0.6-1.4 cm wide. The base tapers and clasps the stem. The flowers are in branched groups. The petals are pale yellow. The fruit is oblong and brown and 3.6-4.5 mm long by 1.8-2.2 mm wide. It has prominent ribs. There is 1 seed.
Forests, alpine forests, mountain slopes, grasslands, river banks, roadsides; at elevations from 700-4,000 metres.
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It is a subtropical to temperate plant. In north India it grows between 900-3.600 m above sea level.
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