Huperzioideae

Huperzioideae is a subfamily of lycopsids in the family Lycopodiaceae. It has sometimes been recognized as a separate family, Huperziaceae. The Pteridophyte Phylogeny Group classification of 2016 (PPG I) recognizes three extant genera:[1]

  • Huperzia (temperate firmosses); about 25 species; terrestrial.
  • Phlegmariurus (tropical firmosses); about 250 species; previously included in Huperzia; mainly epiphytes.
  • Phylloglossum (pygmy clubmoss); formerly thought to be only distantly related to Huperzia. This is a terrestrial, grass-like plant with basal, 2–5 cm long, fleshy leaves. The only accepted species is Phylloglossum drummondii.

Huperzioideae
Shining firmoss, Huperzia lucidula
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Lycophytes
Class: Lycopodiopsida
Order: Lycopodiales
Family: Lycopodiaceae
Subfamily: Huperzioideae
W.H.Wagner & Beitel ex B.Øllg.[1]
Genera

The plants are distinct from those of other members of the Lycopodiaceae in having erect (not creeping) growth; and in their spore-bearing structures being produced in the axils of unmodified leaves, rather than in terminal club-like structures. The subfamily also has a basal chromosome count of n=67, versus counts of n=23, 34 in the Lycopodiaceae.

References

  1. PPG I (2016). "A community-derived classification for extant lycophytes and ferns". Journal of Systematics and Evolution. 54 (6): 563–603. doi:10.1111/jse.12229.
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