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Flora of Australia Online

Grevillea stenomera F.Muell., Fragm. 4: 85 (1864)

T: Murchison River, W.A., s.d. , A.Oldfield ; lecto: MEL, fide D.J.McGillivray & R.O.Makinson, Grevillea 442 (1993); isolecto: K, PERTH.

Illustrations: D.J.McGillivray & R.O.Makinson, Grevillea 248 (top right) (1993); P.M.Olde & N.R.Marriott, Grevillea Book 3: 184 (bottom right), 185 (150A–C) (1995).

Regenerates from seed and/or lignotuber.

Rounded silvery to bluish grey, sometimes lignotuberous, shrub to 2 m high. Branchlets conspicuously angular, silky. Leaves secund, 4–6 cm long, pinnatisect with 5–15 lobes; lobes long-linear, 4–16, 4–12.5 cm long, 0.8–2.2 mm wide, pliable; upper surface smooth, densely subsericeous becoming glabrous; margins angularly refracted; lower surface enclosed except prominent midvein, 2-grooved, subsericeous in grooves. Conflorescence decurved, secund to cylindrical, 20–30-flowered, subsynchronous or weakly basipetal; rachis 35–60 mm long, subsericeous to pubescent. Flower colour: perianth pale pink, orange-pink or reddish pink with a greenish yellow limb; style greenish pink with green tip. Perianth sparsely subsericeous outside, denser on limb, bearded inside at curve. Pistil 22–24 mm long, glabrous. Follicle 1–13 mm long, obloid-ellipsoidal, with obscure slanting basal ridge, rugulose, glabrous. 

Occurs in south-western W.A., known only from scattered populations from the Kalbarri area N to Tamala. Grows in mixed shrubland or heath, in sandy soils over laterite or limestone. Flowers (June–) Aug.–Oct. (–Dec.). Map 143.

W.A.: 56.2 km W of North West coastal Hwy along S side of State Barrier fence, R.J.Cranfield 9219 (PERTH); c. 23 km direct N of Kalbarri on Murchison House Stn, c. 2 km direct W of Long Thicket Bore, A.Lyne 910 et al. (BRI, CANB, MEL, NSW, PERTH); c. 57 km from North West Coastal Hwy on road to Kalbarri, D.J.McGillivray 3337 & A.S.George (CANB, NSW); 63 mile tank – Junga tank NW of Ajana NE of Gantheaume Bay, 25 Sept. 1953, N.H.Speck s.n. (CANB).

This species is recognised as 'Poorly Known' in J.D.Briggs & J.H.Leigh, Rare or Threatened Australian Plants (1995).

Grevillea stenomera can be confused with the 'pinnate-leaved form' of G. pinaster , which differs in having shorter leaf lobes ≤ 40 mm long, and shorter floral rachises ≤ 25 mm long. Most forms of G. pinaster have most or all leaves entire. Grevillea preissii differs in its shorter, narrower leaf lobes (5–20 mm long, 0.5–1 mm wide) which are more strongly ascending than in G. stenomera and often incurved.

(R.O.Makinson)

 

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