Vasilis Teodoridis:
Paeoniaceae | Paeonia
7. Paeonia delavayi Franchet; Bull. Soc. Bot. France. 33: 382. 1886.
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Paeonia delavayi
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Paeonia delavayi var. alba Bean; P. delavayi subsp. angustiloba (Rehder & E. H. Wilson) B. A. Shen; P. delavayi var. angustiloba Rehder & E. H. Wilson; P. delavayi var. atropurpurea Schipczinsky; P. delavayi subsp. lutea (Delavay ex Franchet) B. A. Shen; P. delavayi var. lutea (Delavay ex Franchet) Finet & Gagnepain; P. delavayi var. lutea f. superba Lemoine; P. franchetii Halda; P. handel-mazzettii Halda; P. lutea Delavay ex Franchet; P. potaninii Komarov; P. potaninii f. alba (Bean) Stern; P. potaninii var. trollioides (Stapf ex Stern) Stern; P. trollioides Stapf ex Stern.
Shrubs 0.2--1.8 m tall; glabrous throughout. Roots tuberous. Turions present. Stems brown-gray. Proximal leaves 2-ternate; leaflets always segmented; base usually decurrent; segments again segmented or lobed; ultimate segments and lobes (17--)25--100(--300); linear or linear-lanceolate; 0.5--10 x 0.2--2.7 cm; margin entire or occasionally dentate. Flowers 1--3 per shoot; both terminal and axillary; basipetal; ± pendulous; single; 6--10 cm wide. Bracts 1--5; varying in shape and size. Sepals 2--9; green abaxially; green with a pink base adaxially; or wholly purple or purple-red; triangular-orbicular or orbicular; 1.3--3.7 x 0.6--2.3 cm; apex rounded to mucronate or acuminate. Petals (4--)7--11(--13); yellow; yellow with a red or purple-red spot at base; red; dark red; or dark purple-red; sometimes white; green-yellow; yellow with a red margin; or orange. Filaments yellow; pink-red; or dark purple-red; anthers yellow; pink; red; or dark purple-red. Disc yellow; red; or dark red; annular or shortly cylindric. Carpels 2--5(or 6--8); ovary usually green; sometimes purple. Stigmas green-yellow; yellow; red; or purple-red. Follicles brown at maturity; oblong-ovoid; 2--3.5 x 1--1.5 cm. Seeds brown-black. Fl. May--Jun; fr. Aug--Sep. 2n = 10*.
* Dry Pinus or Quercus woods; thickets; rarely grassy slopes or glades in virgin Picea forests; 2000--3600 m; W Sichuan; SE Xizang; C and N Yunnan