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Borinda papyrifera 

culm sheath on young shoot older culm sheath and culm node leaf sheaths
new shoot sheaths on young branches clump foliage leaf sheaths after chilling prominent internode ridges blue culms Stapleton 1046 introduction plant in 1996
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see photos at BambooWeb
clump in snow culm sheath apex
see origin in Google Earth
see account in Flora of China
see listing in ABS Species & Sources List
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See description in Kew's GrassBase - The Online World Grass Flora
See description in Kew's GrassBase - The Online World Grass Flora
Bamboo Lexicon entry

Paper-making Borinda

Borinda papyrifera (T. P. Yi) Stapleton, Kew Bull. 53(2): 457. 1998

 Synonym: Fargesia papyrifera T. P. Yi, J. Bamboo Res. 7(2): 42. 1988.   

  Missouri Botanical Garden's Tropicos Database of Names  TROPICOS

    International Plant Names Index   IPNI

   Multilingual Multiscript Plant Names Database  MMPND

 Electronic Plant Identification CentreElectronic Plant Identification Centre  KEW

Plants forming dense to rather open clumps. Rhizomes pachymorph, neck 3--10 cm long. Culms  to 8 m, to 6 cm in diam., nodding; internodes to 30 cm, terete, densely blue-grey waxy for first year, becoming yellow-green, longitudinal ridges very prominent, distally densely light brown setose, cavity small, wall very thick; nodes prominent, especially in smaller culms, supra-nodal ridge obscure, sheath scar prominent; branches initially (3)-5-(7), strong. Culm sheaths quickly deciduous, slightly longer than internodes, tough, initially light green or orange-green, distally and marginally purple-tinged, basally very sparsely and distally sparsely brown-setose, apex broad, longitudinal ribs not coloured, margins initially distally densely long-ciliate; auricles small, irregular, with fusion of setae bases, initially green; oral setae erect, wavy, white or pink; ligule to 5 mm, eroded, finely ciliate, glabrous; blade linear, glabrous, reflexed, often purple, quite persistent, margins usually glabrous. Leaves 4--8 per ultimate branch; sheath glabrous, margins glabrous, often distally pink-purple; auricles small, a fusion of setae bases; oral setae few, erect or spreading, stout, light brown or purple-tinged, ca. 4--6 mm; ligule convex, to 2 mm, tomentose; external ligule shortly white-ciliate; blade broadly lanceolate, to 20 2.5 cm, fresh mid-green, base cuneate, glabrous, secondary veins 4-5-paired, margins spinescent-serrulate, transverse veins distinct. Synflorescence unknown. Name papyrifera Latin, ‘giving paper’.

Substantial, thick-walled culms with large broad showy foliage leaves. Boundaries between this and similar but smaller bamboos including B. albocerea and B. contracta have not been defined satisfactorily.

In the most attractive clones such as 1046, large culms with few branches in the lower part, in combination with quickly deciduous sheaths and dense blue-grey wax, make this one of the most handsome of all moderately hardy bamboos introduced so far, but the foliage is not hardy below about -7C.

 

 

Source in Google Earth Borinda papyrifera was first introduced into the UK from 2,900m on Zhi Ben Shan in Yunnan Province of China in 1995 (Stapleton 1046, illustrated above), and later to both the UK and US from similar and other locations in Yunnan. Seed and seedlings from China, Thailand, Germany and France sold as Fargesia papyrifera since 2011 is misidentified, and is not this species at all, but a different, as yet unnamed species.

[albocerea] [angustissima] [contracta] [frigidorum] [frigidorum aff] [fungosa] [macclureana] [nujiangensis] [papyrifera] [perlonga] [sp. Internet Seed] [utilis]