Annual herb up to 40 cm long. Stem branched from the base, antrorsely hairy: hairs from a swollen base. Leaves antrorsely hairy, middle and upper leaves 10-30 x 4-6 mm, oblanceolate to lanceolate; basal leaves similar but larger, deciduous. Flowers in terminal racemes, subsessile. Pedicel up to 2.5 mm long, pubescent. Calyx hairy, lobes 5-6 mm long, linear. Corolla tubular to infundibuli-form, pale blue to white, antrorsely hairy to the outside; tube 3.8-4.5 mm long, sparsely hairy internally to about middle; limb 4 mm broad, lobes oblong-ovate. Anthers c. 1 mm long, narrowly oblong, prominently apiculate, subsessile, attached on lower half of tube. Nutlets 2.5 mm long, ± pear shaped, gray to brown, tuberculate, areola slender.

Source: [
• 7
]. 

Corolla white, pale to dark blue or purple, funnel-shaped or ± salver-shaped; tube as long as calyx or a little longer, lobes oblong, rounded or subtruncate, 1.5–2.5 mm. long, 1–2 mm. wide.

Source: [
• 6
]. 

Calyx densely pale bristly; lobes erect, linear-subulate, 3–6 mm. long, becoming up to 0.8–1.5 cm. long in fruit, blunt or acute.

Source: [
• 6
]. 

Cymes simple, terminal or several arising from the axils of the uppermost leaves, becoming lax and elongate in fruit; pedicels 1–3(–5 in fruit) mm. long and sometimes becoming markedly and asymmetrically incrassate in fruit.

Source: [
• 6
]. 

Leaves linear-oblong, lanceolate, narrowly elliptic or oblanceolate, 0.8–4.5(–10) cm. long, 0.2–1.2(–2) cm. wide, acute to ± obtuse or rounded at the apex, sessile or somewhat amplexicaul at base.

Source: [
• 6
]. 

Erect or decumbent annual (2–)6–40(–90) cm. tall, with mostly simple or branched thinly to densely adpressed-strigillose or patently setulose stems.

Source: [
• 6
]. 

Nutlets whitish or pale brown, very hard and ± glossy, 2–3(–4) mm. long, 1.5–2.5 mm. wide, minutely to coarsely rugulose-tuberculate, without lateral swellings; beak short, blunt, slightly incurved.

Source: [
• 6
]. 

15–50(–80) cm hoch, aufrecht oder aufsteigend, reich beblättert, rauhaarig. Unterste Blätter spatelförmig, zur Blütezeit verwelkt, obere schmal-lanzettlich, ganzrandig, sitzend, unterseits nur mit Mittelnerv. Krone trichterförmig, weiss, selten hel

Source: [
• 8
]. 

Herb, 0.05-0.50(-0.90) m high. Indumentum of calyx whitish, calyx more than half as long as corolla tube, with long, sparse hairs, lobes acute. Corolla not longer than 10 mm. Nutlets tuberculate, brownish or greyish, not shining, with hard pericarp. Flowers white.

Source: [
• 9
]. 

Greyish green, annual herb, up to 600 mm tall, densely covered with appressed bristles. Leaves narrowly ovate to obovate. Flowers in scorpioid cymes, white, corolla tube hairy inside, with scale-like lobes at base, calyx with a white indumentum, enlarging in fruit. Nutlets ± ovoid, rugose and tuberculate.

Source: [
• 11
]. 

Roughly hairy annual to 60 cm. Leaves oblanceolate. Flowers in helicoid cymes, small, white. Nutlets ovoid, rugose-tuberculate.

Source: [
• 12
]. 

Annual herb, up to 0.6 m high. Roots purplish red. Stems erect or decumbent, densely hairy. Leaves sessile; blade narrowly ovate or narrowly obovate, 15-45 x 3-8 mm, apex acute, margin entire, densely setulose. Flowers: bracteate; inflorescences terminal, cymes scorpioid; calyx > 1/2 as long as corolla tube, lobes with apices acute, indumentum whitish, hairs long, sparse; corolla with 5 well-differentiated, longitudinal bands of hairs extending from bases of lobes downwards to tips of anthers; stamens included, tube 5-7 mm long, white; Aug.-Nov. Fruit of 4 tuberculate nutlets, brownish or greyish, not shining, with hard pericarp.

Source: [
• 13
]. 

4–6. Äcker, Weinberge, Schuttplätze, kollin-montan(-subalpin). CH.

Source: [
• 8
]. 

Weed growing in disturbed places.

Source: [
• 9
]. 

In disturbed places.

Source: [
• 11
]. 

Weed of waste places and fields.

Source: [
• 12
]. 

Kalahari Deciduous Acacia-wooded Grassland; Dry Grassland; Zastron Moist Grassland. Weed growing in disturbed places.

Source: [
• 13
]. 

Native to Europe.

Source: [
• 9
]. 

Native of Eurasia, widespread naturalised weed in many parts of the world.

Source: [
• 11
]. 

Eurasian weed.

Source: [
• 12
]. 

Native to Europe.

Source: [
• 13
].