Orobanche ramosa L.

Stem usually slender, simple or branched, pale yellow; scales ovate, dark brown at maturity.. Inflorescence varying from elongated and interrupted, terminally ± acute, to short, congested and terminally rounded.. Bracts concolorous with the stem when young.. Bracteoles lanceolate-filiform, nearly reaching to the tip of the bract.. Calyx entire but sometimes with a deep dorsal sinus, sessile or the lower ones often stalked, 4-dentate (the dorsal tooth on each side sometimes very reduced); teeth elongate-triangular, or triangular filiform, acute.. Corolla hairy, concolorously pale mauvish-blue, or with a white throat, or pale yellow with a pale blue limb, half-erect when immature and remaining so later or bent outwards to the horizontal; varyingly constricted above the ovary, thence widening into a rather narrow, funnel-shaped throat; upper lip porrect, shallowly bilobed, the lobes rounded to oval, becoming marginally revolute; lower lip equally trilobed or the central lobe broader, the lobes ovate, rounded or truncate.. Stamens inserted about 3 mm. from the base of the tube.. Stigmas obscurely lobed, whitish.. Capsule ovoid-spheroid, the valves free at the apex when ripe.

Parasitic on a wide range of hosts.