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Leaf-lamina up to 30 × 25 cm. (much smaller in upper leaves), rather dark glaucous-grey-green above, much paler below (usually conspicuously so and greyish), cordate-ovate to suborbicular-cordate or occasionally triangular-cordate, usually acuminate, with deep basal sinus, indistinctly serrate, crenate or minutely callous-dentate; petiole of larger leaves about as long as the corresponding lamina, rather stout, longitudinally sulcate, subpulvinate at the base, that of upper leaves thinner and often shorter to much shorter than the lamina.
Flowers yellow, orange or apricot, numerous, on lateral and subterminal short shoots (often again branched), the flowering branchlets arranged in large lateral and terminal pseudo-panicles, each flower solitary but the buds (and new side-branches) formed in such rapid succession that the buds are often apparently fasciculate; pedicels 3 (S) cm. long, articulated in the upper 10 mm.
A woody herb. It grows 1.5 m tall. The young stems are grey green and become brown. The leaves are oval to heart shaped. They are hairy on both sides and more pale underneath. They are 14 cm long by 12 cm wide. The flowers are bright orange yellow. They are in a long open flower head. The fruit is cylinder shaped and 1.5 cm long.
Calyx 10–15 mm. long, shallowly cupular, lobed to about the middle; lobes 3–4 (5) mm. long, suberect, ovate-triangular to triangular or ovate-lanceolate, minutely apiculate and densely but finely white-ciliate with inconspicuous or distinctly keeled midrib.
Mericarps 20–30, rounded apically and dorsally but in the outer (dorsal) upper portion often with an obtuse (rarely subacute) angle, 1-seeded.
Fruit c. 9–12 × 8 mm., depressed-globose, umbilicate, densely stellate-tomentose, often ± floccose.
Flowers yellow or lilac with dark purple centre
Seeds verruculose or smooth, glabrous.
Staminal tube densely stellate-hairy.
A tall perennial, 6–12 ft. high
Whitish-downy all over
Petals 9–12 mm. long.
Carpels 1-seeded.
