Description

Key Characters:

Growth Form: Probably hemiparasitic annual or perennial herbs, becoming black upon drying.

Stems: Stems erect, glabrous to scabrid and hispid, the hairs often pustulate–based.

Roots:

Leaves: Leaves simple. Alternate or opposite. Margins entire to laciniate or dentate. Short-petiolate or sessile. Stipules absent.

Flowers: Flowers in terminal bracteate racemes, bracteoles 2. Flowers bisexual (perfect). Calyx tubular, glabrous to hispid–scabrid, 10–nerved, regularly or irregularly 5-toothed, the teeth deltate to lanceolate. Corolla blue, violet, purple, rose purple, or white, salverform, the throat with short hairs, subequally 5-lobed, the lobes oblong to cuneate–obovate, entire to emarginate. Stamens 4, included, slightly didynamous; anthers 1-celled. Ovary superior, 2-carpellate; style apically clavate; stigma entire or incised.

Fruit: Capsules loculicidal; ovoid; ± slightly flattened. Seeds numerous.

Ploidy:

Habitat:

Elevation Range: