Hypnodendron

Setae of Hypnodendron arcuatum, from here.

Belongs within: Bryales.

Hypnodendron is a genus of large dendroid mosses found mostly in south-east Asia and Australasia, where they are a prominent component of many wet forest floras. Molecular phylogenetic analysis has suggested that it may be paraphyletic within a clade referred to as the hypnodendroid pleurocarps (Bell & Newton 2005).

Characters (from Bell & Newton 2005): Leaf border cells not differentiated. Plants dendroid; adaxial rhizoids present, micronemata absent. Vegetative secondary modules (‘branches’) present; primary module heteroblasty ending in secondary module leaves; primary module growth determinate, branching from base but not from apex; perichaetia on highly reduced secondary modules, located mid-module. Dioicous.

Hypnodendron (Müll.Hal.) Lindb. 1861 [Hypnodendraceae]SK02
|--H. colensoi (Hooker & Wilson) Mitt. 1882 [=Isothecium colensoi]SK02
|--H. comatulum (Geh. ex Broth.) Touw 1971 [=Mniodendron comatulum]SK02
|--H. comosum (Labill.) Mitt. 1882 [=Hypnum comosum, Isothecium comosum, Mniodendron comosum, Trachyloma comosum]SK02
| |--H. c. var. comosum [incl. Mniodendron kroneanum]SK02
| `--H. c. var. sieberi (Müll.Hal.) Touw 1971 [=Hypnum sieberi, Isothecium sieberi, Mniodendron sieberi]SK02
|--H. (Phoenicobryum) flagelliferum Brotherus & Watts 1915BW15
|--H. krauseiD03
|--H. menziesii (Hooker) Paris 1895 [=Isothecium menziesii, Trachyloma menziesii]SK02
|--H. palmeumSK02
|--H. planifronsSK02
|--H. rigidumBW15
|--H. spininervium (Hooker) Jaeger & Sauerb. 1879 [=Hypnum spininervium, Isothecium spininervium]SK02
| |--H. s. ssp. spininerviumSK02
| `--H. s. ssp. archeri (Mitt.) Touw 1971 (see below for synonymy)SK02
|--H. subspininerviumB57
`--H. vitiense Mitt. 1873SK02
|--H. v. ssp. vitienseSK02
`--H. v. ssp. australe Touw 1971 [incl. H. spininervium var. pumilum (n. n.), H. whiteleggei (n. n.)]SK02

Nomina nuda: Hypnodendron curvatocomosum Müll.Hal. ex Bailey 1886SK02
Hypnodendron eflagellare Ångström ex Bailey 1886SK02
Hypnodendron flagellare Ångström ex Bailey 1886SK02
Hypnodendron pterobryoides Müll.Hal. ex Bailey 1886SK02

Hypnodendron spininervium ssp. archeri (Mitt.) Touw 1971 [=Isothecium archeri, Hypnum archeri, Trachyloma archeri; incl. Hypnodendron leiopyxis]SK02

*Type species of generic name indicated

References

[B57] Bartram, E. B. 1957. Additional Fijian mosses, III. Journal of the Washington Academy of Sciences 46 (12): 392–396.

Bell, N. E., & A. E. Newton. 2005. The paraphyly of Hypnodendron and the phylogeny of related non-hypnanaean pleurocarpous mosses inferred from chloroplast and mitochondrial sequence data. Systematic Botany 30 (1): 34–51.

[BW15] Brotherus, V. F., & W. W. Watts. 1915. The mosses of the New Hebrides [part 2]. Journal and Proceedings of the Royal Society of New South Wales 49 (2): 145–157.

[D03] Dusén, P. 1903. The vegetation of western Patagonia. In: Scott, W. B. (ed.) Reports of the Princeton University Expeditions to Patagonia, 18961899 vol. 8. Botany pp. 1–34. The University: Princeton (New Jersey).

[SK02] Streimann, H., & N. Klazenga. 2002. Catalogue of Australian Mosses. Flora of Australia Supplementary Series 17. Australian Biological Resources Study: Canberra.

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