Hilliardiella nudicaulis (Dc.) H.Rob.

Rosulate perennial with dimorphic foliage, 0.3-0.8 m tall, with mostly solitary erect annual stem from woody, often branching rootstock; stem simple, with basal leaf rosette of broad leaves and linear cauline leaves, striate, gland-dotted and hispid-tomentose below with harsh yellowish hairs intermixed with softer hairs, becoming glabrescent and silky above; eglandular vesitute of subsessile medifixed hairs, interspersed below with long-stalked medifixed T-shaped hairs. Radical leaves sometimes withered or lacking at flowering, obovate to oblanceolate, 30-60 x 5-25 mm, tapering to a petiole-like base, gland-dotted and glabrescent, silky hairs persisting especially on veins beneath; eglandular vestiture a mix of subsessile and long-stalked medifixed T-shaped hairs; cauline leaves distant, sessile, linear-ericoid, 20-60 x 0.5 mm, apiculate, margins revolute, midrib slightly impressed above and raised below, gland-dotted and thinly silky but more densely along midrib; eglandular vestiture of sessile medifixed hairs. Capitula in a lax panicle or corymb, 15-to 20-flowered. Involucre campanulate, 5-10 mm diam. when pressed; bracts ±4-seriate, gland-dotted and densely sericeous-tomentose, purplish at tips; eglandular vestiture of medifixed T-shaped hairs; outer 2 series subulate, 1-3 x 0.5-1.0 mm, inner two series oblong-elliptic, abruptly contracted to mucronate tip, 4-5 x 1.0-1.5 mm Florets purple, corolla 5-7 mm long, gland-dotted and with appressed hairs on tube and lobes, vestiture of medifixed T-shaped hairs, lobes 1.5-2.0 mm long. Anthers sagittate with ovate apical appendages. Style up to 4.0 mm long, branches 2 mm long. Cypselas sub-cylindric, 4-or 5-ribbed, 2.0-2.5 mm long, gland-dotted and sericeous; pappus bi-seriate, outer scales 1-2 mm long, inner bristles 4.0-5.5 mm long, whitish.