Polytrichaceae
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Haircap moss family
Polytrichaceae
スギゴケ科
A distinctive moss family with relatively large, erect stems. Leaves bear longitudinal lamellae that retain water internally, helping the plants withstand drought. In Japan, Polytrichum and Pogonatum are commonly seen in gardens and forest floors.
Key Characteristics
- ●Erect stems, often several centimeters tall
- ●Leaves bear longitudinal lamellae (vertical plates)
- ●Sporophyte capsule covered by a hairy calyptra
Phylogenetic Position
Bryophyta > Mosses > Polytrichales > Polytrichaceae
Divergence Era
Carboniferous onward
Representative Genera
スギゴケ属（Polytrichum）コスギゴケ属（Pogonatum）
Related Evolution Events
- ・Acquisition of internal water storage via lamellae
Plants in Haircap moss family on this site
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