Phyllospadix iwatensis

Iwate surfgrass
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Order:	Alismatales
Family:	Zosteraceae
Genus:	Phyllospadix
Species:	P. iwatensis
Binomial name
Phyllospadix iwatensis Makino, 1931

Phyllospadix iwatensis is a species of flowering plant in the family Zosteraceae . ^{[1] [2]} It is found along the seacoasts of Japan, Korea, China (Hebei, Liaoning, Shandong), and the Russian Far East (Sakhalin, Primorye and the Kuril Islands). It was first discovered in 1929 near on the Miyako Peninsula in Iwate Prefecture in Japan, in northeastern Honshu. It occurs in the intertidal zone along the shore. ^[3]

Phyllospadix iwatensis is a perennial herb spreading by means of rhizomes. Leaves are long and thin, up to 150 cm long but rarely more than 5 mm across. ^{[4] [5] [6] [7] [8] [9]}

References

1. "Phyllospadix iwatensis Makino". Plants of the World Online. The Trustees of the Royal Botanic Gardens, Kew. n.d. Retrieved December 20, 2025.
2. "Phyllospadix iwatensis Makino". Catalogue of Life. Species 2000. n.d. Retrieved December 20, 2025.
3. Makino, Tomitarô. 1931. Journal of Japanese Botany 7(7): 15.
4. "Phyllospadix iwatensis in Flora of China @ efloras.org". www.efloras.org. Retrieved 2017-02-02.
5. Ohwi, J. (1984). Flora of Japan (in English): 1-1067. Smithsonian Institution, Washington, D.C.
6. Czerepanov, S.K. (1995). Vascular Plants of Russia and Adjacent States (The Former USSR): 1-516. Cambridge University Press.
7. Kharkevich, S.S. (ed.) (1987). Plantae Vasculares Orientalis Extremi Sovietici 2: 1-448. Nauka, Leningrad.
8. Lee, W.T. (1996). Lineamenta Florae Koreae: 1-1688. Soul T'ukpyolsi: Ak'ademi Sojok.
9. Kuo, J. & de Hertog, C. (2001). Seagrass taxonomy and identification key. Global Seagrass Research Methods: 31-78. Elsevier Science B.V., Amsterdam.