Oncosiphon schlechteri (bolus ex Schltr.) Källersjö

Erect perennial herb, to 0.3 m tall; stems cobwebbed. Leaves apically 3-to 5-fid sometimes simple, narrowly spatulate to linear, 5-15(20) x 1-3 mm, succulent, sparsely pilose; lobes lanceolate, 2 x 1 mm, apex blunt. Capitula discoid, homogamous, in simple, lax corymbs; peduncles slender, 1-15 mm long, cobwebbed. Involucre narrowly hemispherical, 3-5 mm diam., base cuneate in mature heads; involucre bracts 3-seriate, suberect at anthesis, several decurrent on the peduncle, apices ± level with receptacle apex, midvein slightly prominent, brown, glabrous, margins and apices narrowly scarious; outer series broadly ovate, ±2.5 mm long; median series narrowly ovate, ±3.5 mm long; inner series oblong, 2-3 mm long. Receptacle conical, slightly obscured by involucral bracts. Disc florets bisexual, corolla 2-3 mm long, yellow; tube conspicuously swollen from apex to the base, oblong, ±1.5 mm long; limb campanulate, ±1 mm long; lobes ovate, ±0.5 mm long. Pappus inconspicuous to small, irregularly lobed, ±0.3 mm long. Flowering is in late spring (October to November).