Carsten Burkhardt's Web Project Paeonia - The Peony Library

Hong Tao, Gian Lupo Osti

Study on the chinese wild woody peonies (II) New Taxa of Paeonia L. Sect. Moutan DC.

Bulletin of Botanical Research, Harbin, 1994 vol.14 No.3 pp.237-239

Hong :(Chinese Academy of Forestry, Beijing 100091).Osti (International Dendrology Society, Roma 00197).

Paeonia rockii (S. G. Haw & L. A. Lauener) T. Hong et J. J. Li

subsp. linyanshanii T. Hong et G. L. Osti, subsp. nov.

Subspecies insignis, a Paeonia rockii (S. G. Haw & L. A. Lauener T. Hong et J. J. Li subsp. rockii differt foliolis lanceolatis vel anguste ovatis, integris.

Frutex deciduus, circa 2m altus, cortice brunneolo, striato basi surculo praeditus; folia bipinnata, foliolis lanceolatis vel anguste ovatis, 2 -8.5cm longis. 1 - 3cm latis, apice acuminatis, basi cunealis vel rotundatis, integris, supra glabris, subtus secus nervo medio hirsutis prope bain comosis, foliolis lateralibus subsessilibus vel petiolulatis, petiolulis 1-5mm longis hirsutis vel comosis. Flores solilarii, terminales, 13-14cm diam.; sepala 7, triangulo-ovata vcl ovato-rotundata, 13-14cm diam.; sepala 7, triangulo-ovata vel ovato-rotundata, 1-5cm longa, 1.8-4.5cm lata, petala 10-11, longe-ovovata vel obovato -rotundata, 6.5 -9cm longa, 4-8.5cm lata, alba, basi purpureo –nigro -maculata; stamina numerosa, antheris flavis, filamentis albis; discus albus, carpella 5, stigmatibus albis. Folliculi 5; 3.5 -4cm longi, dense brunneo-griseo hirsuti. Semina nitida, nigra, glabra. Florescentia fine Aprilis ad initium Maji.

Gansu: Wenxian, Baimahegou, alt. 1570m, wild, 28 April, 1993, Zhang Qi-rong 19930428 (Hololypus, Chinese Academy of Forestry).

Hubei: Baokan, Dashui, alt. 1600m, wild, 28 September, 1993, Hong Tao et Dai Zhen-lun 19930928 (CAP). Guanshan Forestry Center, alt. 800m, cultivated, 28 April 1994, Hong Tao 19940428.

Paeonia spontanea (Rehder) T. Hong et W. Z. Zhao, stat. nov.

Syn.: P. suffruticosa Andr. var. spontanea Rehder in J. Am. Arb. 1:193. 1920; Stern,

stud. Gen. Paeonia 43. 1946; K. Y. Pan, Fl. Reip. Pop. Sin. 27:45.1979 P. suffruticosa Andr. subsp. spontanea (Rehder) S. G. Haw & L. A. Lauener in Edinb. J. Bot. 47(3): 278-279. 1990

P. jishanensis T. Hong et W. Z. Zhao in Bull. of Bot. Res. 12(3):225-226. 1992, Syn.nov.

ABSTRACT

The present paper proposes 1 new subspecies and 1 new status of Chinese wild tree peony.

Lin's Peony, the new subspecies differs from Paeonia rockii in its lanceolate or narrow ovate and unlobed leaflets.

Jishan Peony is a very good wild species, from which originating a series of cultivars. So, the author raised Haw's subspecies to species grade, Paeonia spontanea (Rehder) T. Hong et W. F. Zhao stat. nov.

Key words Paeonia; Sect. Moutan: P. rockii subsp. linyanshanii; P. spontanea