Carthamus tinctorius

Plants 30–100+ cm, herbage ± glabrous. Stems ± stramineous, glabrous. Leaves usually all cauline, dark green; blades lanceolate to elliptic or broadly ovate, 2–8.5 cm, margins dentate with minutely spine-tipped teeth, veiny, shiny. Involucres ovoid, 20–40 mm diam., ± glabrous. Outer phyllaries spreading to reflexed, 1.5–2 times longer than inner, terminal appendages minutely spiny-toothed, minutely spine-tipped. Corollas yellow to red, 20–30 mm, throats abruptly expanded; anthers yellow to red; pollen yellow to red. Cypselae white, 7–9 mm, slightly roughened; pappus scales absent or if present, 1–4 mm. 2n = 24.

Water moderately, allowing the top 3cm to dry out between watering.

Carthamus Tinctorius

Carthamus tinctorius

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