Description

Key Characters:

Growth Form: Biennial herbs 4–10(–14) dm tall in the second year, glabrous, becoming glandular puberulent in the upper parts.

Stems:

Roots: Taprooted.

Leaves: Leaves simple. Leaves in a basal rosette and with alternate cauline ones. Basal leaves oblanceolate; cauline leaves lanceolate, basal leaves 5–20(25) cm long, 1–3(–4) cm wide, sessile or nearly so; cauline leaves becoming progressively smaller toward the inflorescence. Base sessile. Surfaces of basal leaves glabrous. Margins of basal leaves dentate and usually also lobed, sometimes pinnatifid; cauline leaves margins crenate to dentate. Petiolate or sessile. Stipules absent.

Flowers: Flowers in elongate racemes, 1 per node, pedicels 10–20(–25) mm long. Flowers bisexual (perfect). Calyx deeply 5-lobed, the lobes equal, 5–8 mm long, the lobes lanceolate, glandular pubescent. Corolla slightly zygomorphic, 5-lobed, upper 2 lobes slightly shorter than and overlapping the lower 3 lobes in bud, yellow, rarely white and purplish toward base, ca. 15 mm long, tube short. Stamens 5, upper 3 staminal filaments densely villous with white or violet colored hairs, the lower 2 violet villous; anthers monothecal. Ovary superior, 2-carpellate, with as many cells; ovule placentation axile; style solitary, terminal; stigma capitate.

Fruit: Capsules globose; (5–)7–8 mm long; glandular puberulent. Seeds numerous; obconical; with thick; undulate; longitudinal ribs; endosperm oily.

Ploidy: 2n = 18; 30; 32

Habitat:

Elevation Range: ca. 1,980 m.