Hieracium argillaceum
Stolons 0. Stem erect, ± stout, 20-75 cm tall, with numerous simple eglandular hairs especially below and numerous stellate hairs above. Lvs mostly basal, dull dark green above, paler or rarely purplish beneath, ovate to lanceolate or elliptic, obtuse to acute, cuneate at base, finely or rarely coarsely toothed; teeth shortly apiculate, all ascending; eglandular hairs long, simple, sparse to numerous; stellate hairs sparse, rarely 0. Rosette lvs petiolate; lamina (4)-6-12-(15) × (1.5)-2-5-(6) cm; stem lvs (1)-2-4-(6), similar to basal but smaller and more coarsely toothed, becoming sessile. Capitula (1)-3-5-(20). Peduncles straight, with dense stellate and sparse to numerous glandular hairs. Involucre 8-12 mm long; bracts with numerous stellate hairs on margins and ± numerous dark unequal glandular hairs especially on midrib. Florets bright yellow, not striped on outer face, c. 2× length of involucre. Achenes dark, 3-3.5 × c. 0.5 mm. Pappus sordid, c. 6 mm long.
S.: Canterbury (Mt Torlesse and Lake Pukaki), C. Otago.
Europe 1940
Roadsides, rocky places, waste land, in scrub, grassland and forest.
H. argillaceum group resembles H. murorum in having glandular involucral bracts without simple eglandular hairs. It differs from H. murorum in its cuneate lf base, more numerous stem lvs and sparse stellate hairs beneath the lvs. Records of H. praecox in N.Z. refer to H. argillaceum.
