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Flora of Australia Online

Grevillea lavandulacea Schltd., Linnaea 20: 586 (1847)
Lavender Grevillea

T: '... im Walde Pine forest zwischen dem Gawler- und Lightriver. Die andere Form auf kalkig-sandigem Boden (sandeplaine) bei Bethanien. Decbr.' [protologue]; lecto: circa Port Adelaide [S.A.] .... s.d. , Dr. Behr ; lecto: HAL 40153, n.v. , fide D.J.McGillivray & R.O.Makinson, Grevillea 425 (1993); remaining syntype: In solo calcareo-arenosa (Sandeplaine) pr[ope] Bethaniam [Bethany, S.A.], s.d. , Dr. [H.H. ] Behr ; syn: HAL 40154, n.v.

Spreading or procumbent, usually low mounded shrub 0.2–1.5 m tall. Leaves ascending, sometimes clustered on short lateral branchlets, entire, narrowly elliptic to -obovate or linear, 0.5–4 cm long, 0.5–10 mm wide; margins shortly recurved to loosely revolute; upper surface glabrous and granular or scabrid, or subsericeous; lower surface enclosed including midvein and 1-grooved, or exposed and tomentose to lanate. Conflorescence usually terminal on short lateral branchlets, sometimes also subterminal axillary and 2-flowered, simple, a loose 2–10 (–16)-flowered cluster, irregular to subsecund, opening uncertain; floral rachis 0.5–5 (–10) mm long, tomentose to villous. Flowers acroscopic. Perianth subsericeous to loosely so outside, or glabrous below a subsericeous limb, bearded inside; tepals remaining coherent. Pistil 21.5–28.5 mm long; ovary stipitate, sericeous; style with a loose appressed to ascending indumentum in basal half becoming sparser or glabrous above; pollen-presenter oblique. Follicle narrowly ovoid, 11–15 mm long, pubescent to subvillous. 

Occurs in drier parts of the south-eastern quarter of S.A., including Kangaroo Is., and in central and western Vic. 

Grevillea muricata is similar; see under that species for differences.

Two subspecies are recognised.

(R.O.Makinson)

Most unit conflorescences > 4-flowered; longest leaves usually > 10 mm long; upper surface of leaf faintly granular when glabrous; perianth 2–5 mm across from dorsal to ventral suture

subsp. lavandulacea

Most unit conflorescences 1–4-flowered; longest leaves usually < 10 mm long; upper surface of leaf scabrid when glabrous; perianth 2–3 mm across from dorsal to ventral suture

subsp. rogersii

 

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