Chimonobambusa

Chimonobambusa is a genus of herbaceous plants in the Poaceae family. It is native to eastern Asia and the Himalayas. It comprises 69 described species and of these, only 37 accepted.

Description

They are perennial, rhizomatous, or stoloniferous plants. Green leafy flower stalks. Culms ranging from 50 cm to 6 m tall; woody and persistent (monopodial); 3 cm in diameter; branched above. Culm-sheaths deciduous throughout (somewhat leathery, with very small blades). Internodes with hollow culms. Plants visibly armed (culm nodes with two generally spiny ridges). Leaves not aggregated, basal, with ear setae. Blade broad or narrow; pseudopetiolate. Bisexual plants, with bisexual spikelets; with hermaphrodite flowers. Indeterminate inflorescence (as indicated by bracts supporting spikelets).

Taxonomy

The genus was described by Makino and published in Botanical Magazine 28(329): 153. 1914. The type species is Chimonobambusa marmorea (Mitford) Makino.

Cytology

The basic chromosome number of the genus is x = 12, with somatic chromosome numbers of 2n = 48. 4 ploid. Relatively "small" chromosomes.

Accepted species

The following is a list of the species of the genus Chimonobambusa accepted up to November 2013, arranged alphabetically. For each one, the binomial name followed by the author is indicated, abbreviated according to conventions and uses.

• Chimonobambusa angustifolia C.D.Chu " C.S.Chao (1981)
• Chimonobambusa armata (Gamble) Hsueh " T.P.Yi (1983)
• Chimonobambusa brevine Hsueh & W.P.Zhang (1988)
• Chimonobambusa silent (Munro) Nakai (1925)
• Chimonobambusa communis (Hsueh " T.P.Yi) K.M.Lan (1988)
• Chimonobambusa convoluta Q.H.Dai & X.L.Tao (1982)
• Chimonobambusa damingshanensis Hsueh & W.P.Zhang (1988)
• Chimonobambusa fansipanensis T.Q.Nguyen & Vucan (1991)
• Chimonobambusa grandifolia Hsueh & W.P.Zhang (1988)
• Chimonobambusa hejiangensis C.D.Chu " C.S.Chao (1981)
• Chimonobambusa hirtinoda C.S.Chao & K.M.Lan (1982)
• Chimonobambusa hsuehiana D.Z.Li & H.Q.Yang (2006)
• Chimonobambusa lactistriata W.D.Li & Q.X.Wu (1985)
• Chimonobambusa leishanensis T.P.Yi (1991)
• Chimonobambusa lighthiensis (Keng) K.M.Lan (1988)
• Chimonobambusa macrophylla T.H.Wen & Ohrnb. (1990)
• Chimonobambusa marmorea (Mitford) Makino (1914)
• Chimonobambusa metuoensis Hsueh & T.P.Yi (1983)
• Chimonobambusa microfloscula McClure (1940)
• Chimonobambusa montigena (T.P.Yi) Ohrnb. (1990)
• Chimonobambusa ningnanica Hsueh f. " L.Z.Gao (1987)
• Chimonobambusa opienensis (Keng) T.H.Wen & Ohrnb. (1990)
• Chimonobambusa pachystachys Hsueh f. " T.P.Yi (1982)
• Chimonobambusa paucispinosa T.P.Yi (1990)
• Chimonobambusa puberula (Keng) K.M.Lan (1988)
• Chimonobambusa pubescens T.H.Wen (1986)
• Chimonobambusa purpurea Hsueh f. " T.P.Yi (1982)
• Chimonobambusa quadrangularis (Fenzl) Makino (1914)
• Chimonobambusa rigidula (Hsueh & T.P.Yi) T.H.Wen & Ohrnb. (1990)
• Chimonobambusa sichuanensis (T.P.Yi) T.H.Wen (1987)
• Chimonobambusa szechuanensis (Rendle) Keng f. (1948)
• Chimonobambusa tianquanensis T.P.Yi (2000)
• Chimonobambusa tuberculata Hsueh f. " L.Z.Gao (1987)
• Chimonobambusa tumidissinoda Ohrnb. (1990)
• Chimonobambusa unifolia (T.P.Yi) T.H.Wen (1990)
• Chimonobambusa utilis (Keng) Keng f. (1948)
• Chimonobambusa verruculosa (T.P.Yi) T.H.Wen & Ohrnb. (1990)