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Nordic Journal of Botany

A revision of the Paeonia suffruticosa complex (Paeoniaceae)

De-yuan Hong & Kai-yu Pan

l. Paeonia suffruticosa Andrews

excl. syn. P. papaveracea Andrews and P. decomposita Hand.-Mazz.; K. Y. Pan in Fl. Reip. Pop. Sin. 27: 41. 1979,

p. p. excl. syn. P. decomposita Hand.-Mazz. -

1a. Paeonia suffruticosa ssp. suffruticosa

syn. Paeonia arborea Donn

P. suffruticosa var. purpurea Andrews

P. moutan Sims

P. yunnanensis Fang

Flowers always double, various in colour (Plates 1-3). Only known in cultivation. It has been cultivated for more than two thousand years and has hundreds of cultivars. The subspecies is considered to have been domesticated from its closest relative, the subspecies yinpingmudan (Hong, D.-Y. et al. 1998b).

1b. Paeonia suffruticosa Andrews ssp. yinpingmudan D.-Y. Hong, K.-Y. Pan et Z. W. Xie Acta Phytotax. Sin. 36 (6): 515-520. 1998.

2. Paeonia jishanensis T. Hong et W. Z. Zhao Bull. Bot. Res. 12(3): 225. Fig. 2. 1992.

P. spontanea (Rehder) T. Hong et W. Z. Zhao

P. suffructicosa ssp. spontanea (Rehder) S. G. Haw & L. A. Lauener

P. suffruticosa var. spontanea Rehder

3. Paeonia qiui Y. L. Pei et D.-Y. Hong Acta Phytotax. Sin. 33(1): 91. Fig. l. 1995.

P. ridleyi Z. L. Dai et T. Hong in Bull. Bot. Res. 17(1):1. Fig.l(p.4). 1997, syn. nov.

4. Paeonia ostii T. Hong et J. X. Zhang Bot. Res. 12(3): 223. Fig. l (p.231). 1992

5. Paeonia rockii (S. G. Haw et L. A. Lauener) T. Hong et J. J. Li Bull. Bot. Res. 12(3): 227. 1992; D. Y. Hong

P. suffruticosa Andrews subsp. rockii S. G. Haw et L. A. Lauener

P. papaveracea auct. non Andrews: Anonymous,

P. suffruticosa Andr. var. papaveracea auct. non. Andrews: K. Y. Pan

P. suffruticosa auct. non Andrews: Stern,

P. moutan Sims subsp. atava Brühl

P. suffruticosa Andr. subsp. atava (Brühl) S. G. Haw et L. A. Lauener,

P. suffruticosa Andrews, "Rock's Variety' ('Joseph Rock') hort.

5a. Paeonia rockii subsp. rockii

Paeonia rockii subsp. linyanshanii T. Hong et G. L. Osti

5b. Paeonia rockii subsp. taibaishanica Hong Acta Phytotax. Sin. 36: 1998.

Paeonia x papaveracea Andrews (pro sp.) hybrid between P. rockii and P. jishanensis

Paeonia x baokangensis Z. L. Dai et T. Hong (pro sp.) hybrid between P. qiui and P. rockii,