NC STATE UNIVERSITY NCSU Libraries
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PROTEACEAE Grevillea robusta A. Cunn. (SOUTHERN SILKY OAK)
Specimens:
 Carlquist 4539 - PROTEACEAE Grevillea robusta
28577::Carlquist_4539_ta_010.tif
tls
lens: 010
Sherwin Carlquist
Inst: SBBG
 FPAw 3959 - PROTEACEAE Grevillea robusta
20270::2540(a).tif
xs
lens: 010
Jugo Ilic
Inst: CSIRO
20272::2540(c).tif
rls
lens: 010
Jugo Ilic
Inst: CSIRO
20273::2540(d).tif
vrp
lens: 040
Jugo Ilic
Inst: CSIRO
20271::2540(b).tif
tls
lens: 010
Jugo Ilic
Inst: CSIRO
20274::973.tif
xs
lens: macro
Jugo Ilic
Inst: CSIRO
 FPAw Grev.rob - PROTEACEAE Grevillea robusta
23814::FPAw_Grev.rob_xa_unk.tif
xs
lens: unknown
H.E. Dadswell
Inst: CSIRO
23815::FPAw_Grev.rob_ta_unk.tif
tls
lens: unknown
H.E. Dadswell
Inst: CSIRO
 Hough 213 - PROTEACEAE Grevillea robusta
14279::Hough_213_xa_macro.tif
xs
lens: macro
Bill Bryan
Inst: NCSU
11806::plate_213.tif
xrt
lens: surface
Romeyn B. Hough
Inst: NCSU
 Kw 23251 - PROTEACEAE Grevillea robusta
31340::Grevillea.robusta.tls.23251.tif
tls
lens: unknown
Alice Campbell and Peter Gasson
Inst: KEW
31339::Grevillea.robusta.rls.23251.tif
rls
lens: unknown
Alice Campbell and Peter Gasson
Inst: KEW
31341::Grevillea.robusta.xs.23251.tif
xs
lens: unknown
Alice Campbell and Peter Gasson
Inst: KEW
 RBHw 870 - PROTEACEAE Grevillea robusta
24695::RBHw_870_ta_unk.tif
tls
lens: unknown
H.G. Richter
Inst: BFH.UH
24696::RBHw_870_xa_unk.tif
xs
lens: unknown
H.G. Richter
Inst: BFH.UH
24694::RBHw_870_ra_unk.tif
rls
lens: unknown
H.G. Richter
Inst: BFH.UH
 Tw 53107 - PROTEACEAE Grevillea robusta
12548::Tw_53107_ta_010.tif
tls
lens: 010
Hans Beeckman
Inst: RMCA
12549::Tw_53107_xa_004.tif
xs
lens: 004
Hans Beeckman
Inst: RMCA
 Uw 31149 - PROTEACEAE Grevillea robusta
43926::Uw_31149_xa_5.tif
xs
lens: 5
L.Y.T. Westra
Inst: UU
Features:
2 Growth ring boundaries indistinct or absent
5 Wood diffuse-porous
6 Vessels in tangential bands
11v Vessel clusters common
13 Simple perforation plates
22 Intervessel pits alternate
23 Shape of alternate pits polygonal
25 Small - 4 - 7 µm
26 Medium - 7 - 10 µm
30 Vessel-ray pits with distinct borders; similar to intervessel pits in size and shape throughout the ray cell
36v Helical thickenings in vessel elements present
37v Helical thickenings throughout body of vessel element
39v Helical thickenings only in narrower vessel elements
42 100 - 200 µm
47 5 - 20 vessels per square millimetre
52? <= 350 µm
53? 350 - 800 µm
61 Fibres with simple to minutely bordered pits
66 Non-septate fibres present
69 Fibres thin- to thick-walled
71? <= 900 µm
72? 900-1600 µm
73? >= 1600 µm
83 Axial parenchyma confluent
84 Axial parenchyma unilateral paratracheal
85v Axial parenchyma bands more than three cells wide
86v Axial parenchyma in narrow bands or lines up to three cells wide
88v Axial parenchyma scalariform
91 Two cells per parenchyma strand
92 Four (3-4) cells per parenchyma strand
99 Larger rays commonly > 10-seriate
102 Ray height > 1 mm
103 Rays of two distinct sizes
104 All ray cells procumbent
106 Body ray cells procumbent with one row of upright and / or square marginal cells
110 Sheath cells
114 <= 4 / mm
175 Australia and New Zealand (Brazier and Franklin region 77)
176 Australia
189 Tree
192 Wood of commercial importance
194 Basic specific gravity medium, 0.40-0.75
196 Heartwood colour darker than sapwood colour
197 Heartwood basically brown or shades of brown
200 Heartwood basically white to grey
 
Anatomical Note: PROTA description by D. Louppe, P. Détienne, E.A. Wheeler
Diameter: 80 cm (max 120) cm
Habitat: 2 distinct habitats: riverine rainforest, vine forest (AgroForestryTree Database_
Height: 12 -25 (max 40)m
Region: http://www2.fpl.fs.fed.us/TechSheets/Chudnoff:: native to eastern Australia
Cultivated: planted as ornamental and shade tree
Foliar Habit: evergreen
 
References:
H. G. Richter and M. J. Dallwitz (2000 onwards). Commercial timbers: descriptions, illustrations, identification, and information retrieval. In English, French, German, and Spanish. Version: 18th October 2002.
PROTA, 2002-- . Protabase. Plant Resources of Tropical Africa / Ressources végétales de l'Afrique tropicale, Wageningen, Netherlands
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