Flora of North America species comparison

erect, stellate-tomentose or stellate-scabrous.

petiolate to sessile distally;

stipules deciduous, linear to subulate;

blade ovate to triangular or lanceolate to included, anthers at apex;

ovules 1 per cell, 1–3 per carpel;

styles 6–11-branched;

stigmas capitate.

not folded, petiolate 4–10 cm;

stipules 2–5 mm;

blade lanceolate to cordate, (3–)4–10 cm, base usually cordate or truncate, margins entire or denticulate, apex acute.

solitary flowers or few-flowered panicles.

calyx campanulate, 5–6 mm;

petals yellow, sometimes pale orange [white], 6–9 mm.

schizocarps, sometimes on reflexed, jointed pedicel, spheric to subspheric, indurate;

mericarps [6–]9 or 10[or 11], ± 2-celled, winged, flared at papery apex, lower cell rugose, stellate-hairy, sparsely hirsute, indehiscent, endoglossum absent, upper cell smooth, dehiscent apically.

1 in rugose portion, 1 or 2 apically, sometimes abortive, glabrous or minutely hairy.

(2 or)3 per mericarp, brown to blackish, 2.2 mm, densely short-pubescent with whitish hairs.

9–12 mm diam.;

mericarps ca. 10, 6–9 mm, lower cell reticulate, upper cell 2-seeded, wings ovate.

= 15.

= 30.