Descriptions : HerbUpright herb; stem covered with hairs; leaves alternate, simple, trullate (angular-ovate) or ovate or narrowly ovate, margin finely serrate; apex acute or acuminate; base cuneate, lamina narrowly decurrent on petiole; upper and lower leaf surface tomentose; inflorescence terminal, peduncle densely hairy, including hairs with greenish or yellowish glandular tips; inflorescence head-like, itself consisting of many sessile heads, subtended by 6-8 bracts; bracts fleshy, elliptic, acuminate, hairy outside and inside; individual heads with an involucre of 4-5 bracts fused into tube, with 4-5 narrowly triangular lobes; involucre hairy both outside and inside; flower solitary in head; pappus a short, dense ring of hairs; corolla narrowly funnel-shaped, with 5 lobes; lobes with hairs outside, especially near apex; corolla white, except with 5 longitudinal purple lines on tube, base of tube green, and apex of lobes purple; stamens 5, anthers each with apical appendage; ovary inferior; 2 stigma lobes.
