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(First upload on December 28 2011. Last on August 24 2023) [ 日本語 | English ]

Sagina L. (ツメクサ) in Japan Hamatsumekusa (ハマツメクサ, 浜爪草), stickystem pearlwort Kitanohamatsumekusa (キタノハマツメクサ, 北ノ浜爪草) Lifeform: annual/perennial forb Distribution: China - Russia - Japan (south to southwestern Hokkaido) - western Canada/USA Habitat: rocky or sandy shore along sea coast Field training on integrated environmental research (統合環境調査法実習) Fauna and flora 種リスト

Stamens: 10 Calyx: white face and glandular hair ↔ Spergularia marina: hairless Seed: no trichomic surface → S. japonica, trichomic: Chromosome number: 2n = 44 Synonyms: Sagina crassicaulis S. Watson var. littorea (Makino) H. Hara Sagina maxima A. Gray var. littorea (Makino) H. Hara f. crassicaulis (S. Watson) M. Mizush. (エゾハマツメクサ), no hair on calyces and pedicels

Sagina maxima in Hokkaido

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1 2 3
4 5 6
[1] near Ishikari Coast in the Road Station "Ai-rodo (I-Road)" on June 21 2018. [2] a rosette along Atsuma Coast (浜厚真), central Hokkaido, on August 5 2023. [3/4] at Charatsunai Coast close to Muroran Marine Station, HU, on August 22 2011. [5/6] at Usujiri Bay in front of Usujiri Fisheries Experimental Station, HU, on July 7 2013.