(First upload on September 12 2009. Last on June 13 2022) [ 日本語 | English ]
Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily
HOME > Plant list (植物リスト) > Zosteraceae (アマモ科) > Phyllospadix iwatensis
[Engler's syllabus エングラー体系] Engler did not establish this family (⇒ Potamogetaceae) Ten or more species in two genera → living in sea |
Zostera L. (アマモ, grass-wrack)Phyllospadix Hooker (スガモ, surfgrass)Body: dioecismLeaf margin: serrulated Two species (and one hybrid): |
P. iwatensis Makino (スガモ) P. japonicus Makino (エビアマモ), not in Hokkaido P. × choshiensis Miyata et Ohba (ヒメスガモ) Heterozostera (Setchell) HartogUsually treated as Zostera |
Sugamo (スガモ, 菅藻), surfgrass Lifeform: perennial seagrass Distribution: north China - Korea - Japan Habitat: reefy zone (seashore, 海浜)
⇔ silt (sand and mud) = Z. marina |
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[1] a beached specimen. [2] close-up to roots. Along Charatsunai seacoast near Muroran Marine Station (see below) on Sept. 7 2009. [3] a specimen collected at Aikappu Cape (愛冠岬), Akkeshi, eastern Hokkaido, on June 21 1982. [4] a specimen collected at Denshinhama Coast, Muroran, on May 25 1982.
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[3] the landscape of Charatsunai seacoast. [4] a supervisor, Dr. Nagasato, the Madonna of the Japanese Society of Phycology, at a field trip. (September 7 2009).