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Flora of Australia Online

Grevillea leucoclada McGill., New Names Grevillea 8 (1986)

T: c. 23.5 km from North West Coastal Highway on road to Kalbarri, W.A., 13 June 1976, D.J.McGillivray 3348 & A.S.George ; holo: NSW; iso: CANB, K, LE, PERTH, US (all distributed as Grevillea intricata Meisn.).

[Grevillea intricata auct. non Meisn.: G.Bentham, Fl. Austral. 5: 481 (1870), p.p.

Illustrations: D.J.McGillivray & R.O.Makinson, Grevillea 154, fig. 34 (1993); P.M.Olde & N.R.Marriott, Grevillea Book 2: 237 (top left & 197A, B) (1995).

Regenerates from seed.

Shrub 0.8–3 m high. Branchlets glaucous, glabrous or with scattered appressed hairs. Leaves dorsiventral, 6–14 cm long, 3–7-sect, with lateral primary lobes often again 3-sect; ultimate lobes divaricate, linear or linear-subulate, 1–6 cm long, 0.8–1.5 (–2.0) mm wide; leaf rachis angularly deflexed at each node; margins angularly revolute, enclosing lower surface except for midveins; lower surface 2-grooved, silky in grooves. Conflorescence terminal and axillary, erect, simple or to 6-branched; unit conflorescence conico-cylindrical, acropetal; ultimate floral rachis 40–60 mm long, glabrous or openly subsericeous. Flowers mostly acroscopic, or sometimes oblique to rachis. Flower colour: perianth and style white to cream. Perianth bearded inside near base. Pistil 5.5–6 mm long; style exserted from late bud; pollen-presenter oblique to style, obliquely conical. Follicle obloid-ellipsoidal, 8.5–13.5 mm long, rugulose. 

Occurs in the south-west of W.A., restricted to the lower Murchison R. area. Grows in open shrub associations, often in rocky sites, sometimes on level ground, in gravelly or sandy soil. Flowers Aug.–Dec. Map 395.

W.A.: Ross Graham Lookout, Murchison R., E of Kalbarri, H.Demarz 924 (PERTH); 44 km SE of Kalbarri, R.Filson 8662 (MEL, PERTH); lower Murchison R., C.A.Gardner 12256 (PERTH); Murchison R., June 1966, F.Lullfitz NSW100595 (NSW); Murchison R., s.d. A.Oldfield (MEL).

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

Can be confused with G. intricata , which has non-glaucous branchlets, an erect pollen-presenter cone, perianth glabrous inside, and relatively pliable leaf lobes.

(R.O.Makinson)

 

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