Descriptions : Herb Erect, hemiparasitic herb; leaves opposite, subopposite, or alternate, linear, lower leaves with 2-4 linear lobes; inflorescence a raceme; flowers solitary, axillary in linear, foliate bracts; short pedicel with 2 linear bracteoles; calyx greenish and greenish-white, with cylindrical tube and 5 acute lobes; tube longer than lobes; corolla tubular-campanulate, somewhat curved, with 5 ±
rounded lobes; outside of corolla purple with hairs, some glandular; corolla lobes imbricate in bud; stamens 4, adnate to corolla tube; anthers with 2 diverging locules, 1 fertile, the other apparently sterile; ovary green, glabrous, bilocular; style filiform, slightly widened distally, purple, with hairs; stigma with 2 thick lamellae (clavate according to Flora of Thailand); ovules numerous, placentation axile.