Paeonia delavayi Franch.

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Article from Bean's Trees and Shrubs Hardy in the British Isles

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'Paeonia delavayi' from the website Trees and Shrubs Online ( Accessed 2020-09-25.



With an unbroken margin.
Lacking hairs smooth. glabrescent Becoming hairless.
Grey-blue often from superficial layer of wax (bloom).
A form of inflorescence in which the outer or lower flowers open first and the inflorescence axis continues to grow. (Cf. determinate.)
A ring of bracts surrounding an inflorescence.
Lance-shaped; broadest in middle tapering to point.
(of a leaf) Dissected into large teeth or lobes that reach no more than halfway to the midvein.


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Article from Bean's Trees and Shrubs Hardy in the British Isles

Recommended citation
'Paeonia delavayi' from the website Trees and Shrubs Online ( Accessed 2020-09-25.

A deciduous shrub 3 to 6 ft high, devoid of down in all its parts. Leaves doubly pinnatifid, the ultimate divisions lanceolate, slender-pointed, 2 to 4 in. long, dark green above, glaucous beneath. The entire leaf with its stalk is from 6 to 18 in. long and it persists in its dead condition through the winter. Flowers one to three on a stalk, each 212 to 4 in. wide, cup-shaped, rather drooping, opening in June. Each flower has an involucre of leafy bracts set close against the five greenish sepals. Petals five to ten, rounded, incurved, overlapping, of a rich, almost blood red, their beauty heightened by the clustered golden anthers in the centre. Seed-vessels 38 to 114 in. long, glabrous.

Native of China; originally discovered by the Abbé Delavay in 1884; introduced by Wilson about 1908. It is related to P. lutea, differing mainly in the colour of the flowers. Still, Forrest records that he found numerous plants in W. China with flowers of an indeterminate colour between red and yellow, sometimes orange-brown, which gave him the impression that they might be hybrids between the two species. Some of this mongrel type reached cultivation, but they are very inferior to the type described above. P. delavayi is a handsome shrub seen at its best, although it has the defect when small of hiding the face of its flowers. It likes a rich soil with occasional dressings of manure and succeeds well in chalky districts. Unlike P. suffruticosa, it does not appear to suffer from late spring frosts.

In the USA some hybrids with dark red flowers, deriving from P. delavayi, were raised by Prof. A. P. Saunders, and are classified by American growers with the Lutea hybrids (see under P. lutea). Of these, ‘Black Pirate’ received a First Class Certificate in 1959 when shown by Sir Frederick Stern, but is scarce in this country. The flowers are single, maroon-crimson (Journ. R.H.S., Vol. 88 (1959), fig. 118).

From the Supplement (Vol. V)

The late Norman Hadden had in his garden near Porlock, Somerset, what was generally considered to be a good form of P. delavayi. From seeds of this, two plants were raised. One has crimson flowers and is of bushy, slightly suckering habit, and produces little seed. The other has yellow flowers stained with red and has produced self-sown seedlings, some with crimson flowers but one almost pure P. lutea, having yellow flowers without red staining.

f. alba F. C. Stern

P. delavayi var. alba Bean

Flowers creamy white; stamens with green filaments.

P potaninii Komar.

P. delavayi var. angustiloba Rehd. & Wils

This differs from P. delavayi in its smaller flowers, which lack a foliaceous involucre, in its much more dissected leaves with narrower segments, and in its suckering habit. Native of W. Szechwan and N.W. Yunnan. It was introduced by Wilson in 1904 and first flowered in Veitch’s Coombe Wood nursery in June 1911. A handsome shrub in regard to its foliage but inferior to P. delavayi in its flowers, which are about 2 in. wide. It grows to about 2 ft in height and spreads by underground stolons.

var. trollioides (Stapf ex F. C. Stern) F. C. Stern

P. trollioides Stapf ex F. C. Stern
P. forrestii Hort

This has yellow, trollius-like flowers and is of more erect growth than typical P. potaninii, with the flowers held above the leaves. Introduced by Forrest from Yunnan in 1914 (F.13195). It flowers end-May.


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