北重楼 Paris verticillata

  • Scientific Name: Paris verticillata M.Bieb.
  • Ref: Fl. Taur.-Caucas. 3:287. 1819
  • Synonym: Paris dahurica Fisch. ex Turcz., P. hexaphylla Cham., P. hexaphylla var. manshurica (Kom.) Vorosch., P. manshurica Kom., P. obovata Ledeb.
  • English Common Name: whorled paris
  • Chinese Common Name: 北重楼 běi∙chónglóu
  • Japanese Common Name: クルマバツクバネソウ [車葉衝羽根草] kurumabatsukubanesō
  • Family: Melanthiaceae
  • Genus: Paris
  • Distribution: Forests, thickets, grassy and shady places, hillsides along ravines; 1100–3600 m. Anhui, Gansu, Hebei, Heilongjiang, Jilin, Liaoning, Nei Mongol, Shaanxi, Shanxi, NW Sichuan, Zhejiang [Japan, Korea, Mongolia, Russia (Siberia)].
  • Photo: Mt. Changbai, Jilin
Plants 25--60 cm tall. Rhizome slender, 3--5 mm thick. Leaves (5 or)6--8(or 9); petiole very short; leaf blade lanceolate, narrowly oblong, oblanceolate, or obovate-oblanceolate, (4--)7--15 × 1.5--5 cm, base cuneate. Peduncle 4.5--12 cm. Outer tepals usually 4(or 5), green, oblong-lanceolate or ovate-lanceolate, 2--5.5 × 1--3 cm; inner ones yellow-green, 1--3 cm × 1--2 mm. Stamens 8(--10); filaments 5--8 mm; anthers 0.7--1.4 cm; free portion of connective 5--8(--10) mm. Ovary purple, subglobose, 4(or 5)-loculed. Stigma lobes 4 or 5, long. Berry purple-black, globose, ca. 1 cm in diam. Seeds without aril. Fl. May--Jun, fr. Jul--Sep. 2 n = 10, 15, 20*. (Flora of China)

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