Flora of North America species comparison

erect, openly branched, branches ascending.

basal and cauline; long-petiolate; gradually smaller distally;

blade margins entire or dentate (pinnately lobed or dissected), faces abaxially resin-gland-dotted, adaxially often tomentose.

petioles solid, 15–36 cm, glabrous or thinly cobwebby;

blades 25–80 × 20–70 cm, coarsely dentate to subentire, abaxially thinly gray-tomentose, adaxially green, sparsely short-hairy to nearly glabrous.

2.5–6 cm.

25–45 mm diam.

± flat, epaleate, bearing subulate scales.

40+;

corollas purple (occasionally white), 9–14 mm, glabrous.

(5–)20–40+;

corollas pink to ± purple, glabrous or glandular-puberulent, tubes elongate, throats campanulate, lobes narrowly triangular, ± equal;

anther bases tailed, apical appendages ovate, obtuse to acute;

style branches: fused portions distally hairy-ringed, distinct portions oblong, acute or obtuse.

linear to linear-lanceolate, glabrous to loosely cobwebby, inner usually stramineous (sometimes purplish), margins with minute spreading or reflexed hairs.

many in 9–17 series, outer and mid narrowly linear, bases appressed, margins entire, apices stiffly radiating, hooked-spiny tipped, inner linear, ascending or erect, straight tipped.

usually in corymbiform clusters, long-pedunculate.

discoid, in leafy-bracted racemiform to paniculiform or corymbiform arrays. (Peduncles 0 or 1–9 cm.) Involucres spheric to ovoid.

light brown, often with darker spots, 6–7.5 mm;

pappus bristles 2–5 mm.

obovoid, ± compressed, rough or ribbed, glabrous, attachment scars basal;

pappi falling, of many bristles in 2–4 series.

= 18.

= 32 (Japan), 34 (China), 36 (Japan); (Sweden).