黄花菜 Hemerocallis citrina

  • Scientific Name: Hemerocallis citrina Baroni
  • Ref: Nuovo Giorn. Bot. Ital., n.s., 4:305. 1897
  • Synonym: Hemerocallis altissima Stout
  • English Common Name: citron daylily, long yellow daylily, golden needles
  • Chinese Common Name: 黄花菜 huánghuā∙cài, 金针菜 jīnzhēn∙cài, 柠檬萱草 níngméng xuāncǎo
  • Japanese Common Name: ウコンカンゾウ [鬱金萱草] ukonkanzō, ウコンキスゲ [鬱金黄菅] ukonkisuge
  • Family: Asphodelaceae
  • Genus: Hemerocallis
  • Distribution: Forests, thickets, grasslands, streamsides; 300–2500 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hebei, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Shaanxi, Shandong, Shanxi, Sichuan, Taiwan, Xizang, Yunnan, Zhejiang [India, Japan, Korea, Russia].
  • Photo: 07/16/2008, Mt. Changbai, Jilin
Plants 40--150 cm tall, usually deciduous in winter. Roots fleshy, with globose-ellipsoid, swollen, tuberous part near tip; stolons sometimes to 30 cm. Leaves linear, 50--90 × 1--2.8 cm, apex acute. Scape erect, hollow; sterile bracts present. Helicoidal cymes double, 2--5(--10)-flowered; bracts scalelike or lanceolate. Pedicel ca. 5 mm. Flowers unscented, strictly day opening, opening in morning and closing in evening of same day. Perianth single, occasionally double (stamens petaloid), orange to reddish orange; tube 2--4 cm; segments spreading, with a purple or reddish orange patch, 5--12 × 1--3 cm, margin sometimes crinkly-undulate, inner segments wider than outer ones. Filaments 4--5 cm; anthers purplish black, 7--8 mm. Capsule ellipsoid, 2--2.5 × 1.2--1.5 cm. Fl. Jun--Nov. 2 n = 22, 33. (Flora of China)

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