''Acanthochlamys'' is a monotypic genus of

herbaceous Herbaceous plants are vascular plants that have no persistent woody stems above ground. This broad category of plants includes many perennials, and nearly all annuals and biennials. Definitions of "herb" and "herbaceous" The fourth edition of ...

plants described as a genus in 1980. It has long been included in the

Amaryllidaceae The Amaryllidaceae are a family of herbaceous, mainly perennial and bulbous (rarely rhizomatous) flowering plants in the monocot order Asparagales. The family takes its name from the genus '' Amaryllis'' and is commonly known as the amaryl ...

, but more recent systems place it in the

Velloziaceae Velloziaceae is a family of monocotyledonous flowering plants. The APG II system, of 2003 (unchanged from the APG system, 1998), also recognizes this family, and assigns it to the order Pandanales. Relationships and evolution By contrast to oth ...

. Kao in 1989 placed in its own family, the Acanthochlamydaceae.Kao Pao-chung 1989. Acta Botanica Sichuanica 1-14. Note: The journal was apparently printed privately by Kao to publish her own papers; see IPNI, http://www.ipni.org/ipni/idPublicationSearch.do?back_page=&id=14662-2 There is only one known species, ''Acanthochlamys bracteata'', native to

Tibet Tibet (; ''Böd''; ), or Greater Tibet, is a region in the western part of East Asia, covering much of the Tibetan Plateau and spanning about . It is the homeland of the Tibetan people. Also resident on the plateau are other ethnic groups s ...

and

Sichuan Sichuan is a province in Southwestern China, occupying the Sichuan Basin and Tibetan Plateau—between the Jinsha River to the west, the Daba Mountains to the north, and the Yunnan–Guizhou Plateau to the south. Its capital city is Cheng ...

.Flora of China Vol. 24 Page 273 芒苞草 mang bao cao ''Acanthochlamys bracteata'' P. C. Kao, Phytotax. Res. 1: 2. 1980.
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References

{{Taxonbar, from1=Q15245463, from2=Q10750439 Velloziaceae Endemic flora of China Monotypic Pandanales genera