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(First upload on December 28 2011. Last on August 13 2018) [ 日本語 | English ]

Sagina maxima A. Gray






Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily

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
索引

Sagina maxima in Hokkaido


ST1 ST2 ST3
ST4 ST5 ST6
[1] near Ishikari Coast in the Road Station "Ai-rodo (I-Road)" on June 21 2018. [2-4] 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.

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