Drynaria roosii

Gu-Sui-Bu
Scientific classification
Kingdom:	Plantae
Division:	Pteridophyta
Class:	Polypodiopsida/Pteridopsida (disputed)
Order:	Polypodiales
(unranked):	Eupolypods I
Family:	Polypodiaceae
Genus:	Drynaria
Species:	D. roosii
Binomial name
Drynaria roosii Nakaike
Synonyms
Drynaria fortunei (Kunze) J. Smith Polypodium fortunei Kunze ex Mett.

Drynaria roosii, commonly known as Gu-Sui-Bu is a species of basket fern of the family Polypodiaceae. It is used in traditional Chinese medicine. This species is also more frequently cited by Asian studies by its synonym, Drynaria fortunei.^[1]

Description

Drynaria roosii are epiphytic (growing on trees) or epipetric (growing on rocks). Like other species of Drynaria, they possess two frond types – a fertile foliage frond and a sterile nest frond.^[2][3]

Sterile nest fronds are rounded shallowly-lobed reddish-brown fronds overlapping each other. They bear no sori and form a 'basket' characteristic of the genus. The fertile fronds are larger and deeply lobed. They bear 1 to 3 sori arranged on both sides of the central rib.^[2][3][4]

Nomenclature

Drynaria roosii is known as Gu-Sui-Bu (骨碎補) in Chinese (English: "mender of shattered bones").^[5] A reference to its use in traditional Chinese medicine for healing broken bones.^[6]

Other common names in Chinese include Mao-chiang ('hairy ginger'), shih-pan chiang ('stony plate ginger'), wang-chiang, shih-chiang, hou-chiang ('monkey ginger'), p'a shan hu (mountain-climbing tiger), feng chiang, p-yen chiang, hou-sheng chiang, and hou chueh.^[2]

It is also known as Gol-Se-Bo in Korean and Cốt toái bổ in Vietnamese.^[6][7]

Uses

Preparations from the rhizomes of Drynaria roosii is used in traditional medicine for aiding in the healing of bone fractures and for treating rheumatoid arthritis.^[6][2]

Modern studies into pharmacological uses of Drynaria roosii has confirmed some of its effects on bone cells.^[8] Studies by Jeong et al. (2004) suggest that extracts from D. fortunei are effective in preventing osteoporosis.^[9]

Classification

Drynaria roosii is classified under the genus Drynaria (basket ferns) of the family Polypodiaceae.^[10][11]

It is more frequently cited by Asian authors by its synonym D. fortunei.^[1]

See also

• Bone healing

References

1. ^ ^{a b} Stuart Lindsay, David J. Middleton, Thaweesakdi Boonkerd, & Somran Suddee (2009). "Towards a stable nomenclature for Thai ferns". Thai Forest Bulletin (Botany) (37): 64–106. http://web3.dnp.go.th/botany/PDF/TFB/TFB37/TFB37_8.pdf. Retrieved July 31, 2011. 
2. ^ ^{a b c d} A barefoot doctor's manual: a concise edition of the classic work of eastern herbal medicine. Running Press. 2002. p. 367. ISBN 9780762412501. http://books.google.com.ph/books?id=cc-8OcIgkeQC&lpg=PP1&hl=en&pg=PA367#v=onepage&q&f=false. 
3. ^ ^{a b} Robert Lee Riffle (1998). The tropical look: an encyclopedia of dramatic landscape plants. Timber Press. p. 152. ISBN 9780881924220. http://books.google.com.ph/books?id=nrlPe2i98HEC&lpg=PP1&hl=en&pg=PA152#v=onepage&q&f=false. 
4. ^ William Jackson Hooker (1864). Species filicum. William Pamplin. p. 95. http://books.google.com.ph/books?id=-XH1TlpK7c4C&hl=en&pg=PA95#v=onepage&q&f=false. 
5. ^ Christopher Hobbs & Kathi Keville (2007). Women's Herbs, Women's Health. Book Publishing Company. p. 287. ISBN 9781570671524. http://books.google.com.ph/books?id=BvZX0ws63qUC&lpg=PP1&hl=en&pg=PA287#v=onepage&q&f=false. 
6. ^ ^{a b c} Eun-Kyung Jung (2007). "Antimicrobial Activity of Extract and Fractions from Drynaria fortunei Against Oral Bacteria". Journal of Bacteriology and Virology 37 (2): 61–68. http://synapse.koreamed.org/Synapse/Data/PDFData/0079JBV/jbv-37-61.pdf. Retrieved July 28, 2011. 
7. ^ Nguyễn Đức Quang (December 1, 2009). "Cốt toái bổ - Bổ thận chắc răng" (in Vietnamese). Phuongkhuongmai.gov.vn. http://www.phuongkhuongmai.gov.vn/NewDetail.asp?ID=83&IDL=228&IDD=3953. Retrieved July 28, 2011. 
8. ^ Jui-Sheng Sun, Chun-Yu Lin, Guo-Chung Dong, Shiow-Yunn Sheu, Feng-Huei Lin, Li-Ting Chen, & Yng-Jiin Wang (2002). "The effect of Gu-Sui-Bu (Drynaria fortunei J.Sm) on bone cell activities". Biomaterials (Elsevier) 23 (2002): 3377–3385. http://ntur.lib.ntu.edu.tw/bitstream/246246/127994/1/27.pdf. Retrieved July 28, 2011. 
9. ^ Ji-Cheon Jeong, Jae-Wook Lee, Cheol-Ho Yoon, Young-Choon Lee, Kang-Hyun Chung, Min-Gon Kim, & Cheorl-Ho Kim (2004). "Stimulative effects of Drynariae Rhizoma extracts on the proliferation and differentiation of osteoblastic MC3T3-E1 Cells". Journal of Ethnopharmacology (Elsevier) 96 (2005): 489–495. http://www.ibiblio.org/obl/docs2/ferns.pdf. Retrieved July 28, 2011. 
10. ^ "Drynaria (Bory) J. Sm.". Germplasm Resources Information Network (GRIN) online database. http://www.ars-grin.gov/cgi-bin/npgs/html/taxon.pl?4007. Retrieved July 27, 2011. 
11. ^ "Drynaria". The Plant List v1.0. 2010. http://www.theplantlist.org/browse/P/Polypodiaceae/Drynaria/. Retrieved July 27, 2011.