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Flora of Australia Online

Grevillea aquifolium Lindl., in T.L.Mitchell, Three Exped. Australia 2: 178 (1838)
Holly Grevillea

Grevillea aquifolium var. truncata Meisn., in A.L.P.P. de Candolle, Prodr. 14: 378 (1856), as α truncata , nom. illeg. (type var.). T: interior of Australia, 1836, Major Mitchell's Exped. 232 ; lecto: CGE n.v. , fide D.J.McGillivray & R.O.Makinson, Grevillea 404 (1993).

Grevillea variabilis Lindl., in T.L.Mitchell, Three Exped. Australia 2: 178 (1838). T: interior of New Holland. Mt William [Victoria] 1836, Major Mitchell's Exped. 238 ; holo: CGE n.v. ; probable iso: K.

Grevillea aquifolium var. attenuata Meisn. in A.L.P.P. de Candolle, Prodr. 14: 378 (1856), as β attenuata . T: Mt William, interior of N.S.W., [Vic.], Mitchell Exped. 1835, [R.?]Cunningham 244 ; holo: NY n.v. ; iso: K, MEL.

Illustrations: G.R.Cochrane et al. , Fls & Pls Victoria 46, t. 102 (1968); J.W.Wrigley & M.Fagg, Banksias, Waratahs & Grevilleas 206 (1989); P.M.Olde & N.R.Marriott, Grevillea Book 2: 32 (bottom right), 33 (22A, B), 34 (22C–G) (1995).

Some forms regenerate from root-suckers.

Erect-spreading to decumbent or prostrate shrub to 1.5 (–4) m tall. Leaves very variable, (2–) 3–7 (–10.5) cm long, 10–45 mm wide, usually ovate to oblong in gross outline and pinnatifid or toothed with 2–19 spreading lobes or teeth, sometimes cuneate or rhomboid with 2–5 teeth near apex, rarely entire and elliptic to rhomboid; primary lobes sometimes with a single secondary tooth on distal edge; ultimate lobes triangular to narrowly so or ovate, 5–17 mm long, 2–8 mm wide, usually pungent; margins flat to shortly recurved; lower surface densely to openly tomentose with straight to curled semi-appressed to spreading hairs. Unit conflorescence decurved or sometimes erect, secund; floral rachis 15–50 mm long. Flower colour: perianth grey, green, cream, or dull orange-pink; style usually red, or sometimes pink, orange, or dull yellow. Perianth loosely to densely tomentose outside, often villous on limb. Pistil 21–26 mm long; ovary stipitate; style glabrous. Follicle 9.5–13 mm long, tomentose. 

Occurs in lower south-eastern S.A., and in western Vic. from The Grampians area NW to Little Desert, also in the Portland area and in Otway Ra. E of Forrest. Grows in a wide range of habitats usually in woodland or dry to wet heath or mallee associations, in siliceous or sometimes calcareous sandy soils. Flowers Sept.–Dec., rarely as late as Apr. Map 15.

S.A.: 40 km direct W of Mt Gambier near Buck Lake Natl Park, S of S end of L. Bonney, A.C.Beauglehole 33419 (MEL, NSW); W Dairy Ra., 2.5 km ESE of 'Sugarloaf Hill', 22 km E of Robe, M.D.Crisp 3818 (CANB, NSW). Vic.: c. 32 km S of Nhill ... c. 5–8 km NNW of Nurcoung, H.I.Aston 979 (A, BRI, CANB, MEL); 2.5 km NE of Silverband Falls, Grampians, R.Melville 1783 (K, MEL, NSW); near Golton Gorge, Grampians, on track to Dadswell Bridge, M.E.Phillips CBG017657 (CANB, MEL, NSW).

This species is very variable especially in habit and leaf form. Numerous local forms have been described (see, for example, Olde & Marriott, Grevillea Book 2: 32, 33 (1995)), but most intergrade geographically or overlap morphologically, and formal subspecific taxa are not yet adequately defined.

Commonly confused with G. ilicifolia and other closely related species. Grevillea aquifolium has floral bracts 0.9–4.1 mm long, 1.4–3.0 mm wide, tomentose on outer surface, and falling at or near anthesis; perianth tomentose outside; ovary subvillous with spreading hairs; style-end abruptly contracted into the style; fructual stipe markedly incurved. Grevillea ilicifolia has floral bracts 0.3–0.9 mm long, 0.4–0.8 mm wide, with appressed hairs on the outer surface, and falling when buds are less than 3 mm long; perianth usually appressed-silky outside; ovary subsericeous; style-end more gradually tapering into the style; and stipe of fruit ±straight. Other potential misidentifications are dealt with under relevant species, below. See G. bedggoodiana , G. montis-cole , G. microstegia and G. floripendula.

In the Flora of Australia Grevillea williamsonii was treated as an accepted name, but since then the Australian Plant Census treats it as a synonym of Grevillea aquifolium .

(R.O.Makinson)

 

Data derived from Flora of Australia Volumes 16 (1995), 17A (2000) and 17B (1999), products of ABRS, ©Commonwealth of Australia