| First Description: |
P. obovata (Maxim., 1859) |
| Synonyms: |
P. oreogeton (Moore, 1879)
P. obovata var. japonica (Makino, 1898)
P. japonica (Miyabe & Takeda, 1910)
P. vernalis (Mandl, 1921)
P. japonica var. pilosa (Nakai, 1937)
P. obovata f. oreogeton (Kitagagawa, 1939)
P. obovata subsp. japonica (Halda, 1997) |
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| Plant: |
Ploidy: |
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Growth Type: |
herbaceous / perennial |
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Height: |
30-70cm |
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Roots: |
thick, carrot-shaped; caudex usually short, 2-8cm long |
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others: |
stems often single, always simple, glabrous |
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| Leaves: |
# segmentation: |
9 |
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others: |
lower leaves spreading or ascending, biternate;
leaflets 9, entire, obovate, cuneate at the base, rounded or acute at the apex,
5-20cm long, 4-14cm wide, grabrous above, glabrous to densely hispid beneath |
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| Flowers: |
Season: |
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# flowers/stem: |
solitarty, terminal |
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Bracts: |
involucrate bracts 1 or 2, leaf-like, rarely lacking |
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Sepals: |
2-4, but mostly 3, mostly rounded at the apex |
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Petals: |
4-7, spreading or incurved, white, rose, pink-red, red, purple-red, or rarely white with pinkish base or margins, obovate,
3-5.5cm long, 1.8-2.8cm wide |
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Flower Colour: |
white, rose, pink-red, red, purple-red, or rarely white with pinkish base or margins |
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Filaments: |
white, withish-yellow, or purple below but white above to entirely purple |
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Anthers: |
yellow, orange-red or dark purple |
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Disk: |
yellow, waved, 1-1.5mm high |
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others: |
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| Fruit: |
Season: |
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# of Carpells: |
2-3 |
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Carpell: |
always glabrous |
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Style / Stigma: |
styles 2-5mm long
stigmas red |
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Follicles / Ovary / Ovules: |
follicles gradually recurved, ellipsoid, 2-3cm long |
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Seeds: |
black, glossy, ovoid-spherical, 6-7mm long, 5-6mm in diameter |
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| Habitat: |
Location: |
in deciduous broad-leaved or mixed broad-leaved and conifer forests, at altituteds from lowlands to 2800m |
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Soil: |
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Geogr. Distr.: |
distributed in East Asia: China (NE, E and central), Japan, the Korean Peninsula and the Far East of Russia |
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Countries: |
China, Japan, Russia, Korea |
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| Common Names: |
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white obovate peony
woodland peony |
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