Hemerocallis hongdoensis

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Hongdo Island day-lily
Scientific classification edit
Kingdom: Plantae
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Asphodelaceae
Subfamily: Hemerocallidoideae
Genus: Hemerocallis
H. hongdoensis
Binomial name
Hemerocallis hongdoensis
M.G. Chung & S.S. Kang

Hemerocallis hongdoensis, common name Hongdo Island day-lily or (in Korean) hongdo-wonch'uri, is a plant species native to a group of small islands in the Yellow Sea, off the southwest coast of South Korea. The species is named for Hongdo Island,[1] where the type specimen was collected, about 115 km SW of Mokpo.[2] The region is part of Dadohaehaesang National Park.

Hemerocallis hongdoensisis a perennial herb with tuberous roots but no rhizomes. Leaves are narrow, thick, up to 100 cm long. Flowering stalks are up to 80 cm tall, sometimes bearing as many as 25 flowers, with ovate to lanceolate bracts below the inflorescence. Tepals are yellow-orange, up to 10 cm long. Fruits are egg-shaped to almost spherical, up to 4 cm long, the surface usually covered with wart-like projections. Seeds black, egg-shaped, up to 7 mm long. The species is distinguished from others in the genus by having swollen roots but no rhizomes, and relatively large fruits with wartlike projections.[2][3][4]


  1. ^ Hongdo Island, Korea Tourism Association
  2. ^ a b Myong Gi Chung & Soon Suk Kang. 1994. Hemerocallis hongdoensis (Liliaceae), a new species from Korea. Novon 4: 94-97.
  3. ^ Bailey, L. 1930. Hemerocallis, the day-lilies. Gentes Herbariorum 2:143-156.
  4. ^ Lee, T. 1985. Illustrated Flora of Korea. Hyangmunsa, Seoul.

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