Stems (15-)20-50(-125) cm; base reddish, glabrous. Leaves mostly on proximal 1/3 of stem; basal leaves 2-7 at anthesis; cauline leaves 3-4 at anthesis; petiole 0.5-14 cm. Leaf blade round to pentagonal, 2-6 × 3-10 cm; ultimate lobes 3-12, width 5-40 mm (basal), 2-20 mm (cauline). Inflorescences 5-20(-69)-flowered; pedicel (1.5-)2-6(-8) cm, glabrous to glandular-pubescent; bracteoles 14-20(-30) mm from flowers, green to red, linear, 2-4(-9) mm, glabrous to puberulent. Flowers: sepals scarlet to reddish orange, rarely dull yellow, glabrous, lateral sepals forward-pointing to form pseudotube, (6-)8-13(-16) × 3-6 mm, spurs straight, slightly ascending, (12-)18-27(-34) mm; lower petal blades elevated, exposing stamens, 2-3 mm, clefts 0.5-1 mm; hairs sparse, evenly dispersed, yellow. Fruits 13-26 mm, 3.5-4.5 times longer than wide, glabrous. Seeds unwinged or sometimes slightly wing-margined; seed coat cells with surfaces smooth. 2 n = 16.
| Name | Language | Country | |
|---|---|---|---|
| Red larkspur, scarlet larkspur |
|
