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Flora of Australia Online

Grevillea neurophylla Gand., Bull. Soc. Bot. France 66: 231 (1919)

T: Australia merid. [Vic.], 1902, coll. unknown ; holo: LY.

Grevillea linearifolia "form 'g' (southern submontane form)", of D.J.McGillivray & R.O.Makinson, Grevillea 345 (1993). 

Spreading to erect shrub 1–2.5 m tall. Branchlets angular, subsericeous between ridges. Leaves linear or occasionally very narrowly elliptic, 2.5–5.5 (–8) cm long, 0.8–2 mm wide, crowded or not but not in clusters of 3; upper surface sparingly punctate, with veins slightly granular; margins refracted (sometimes forming a short vertical 'wall'); lower surface enclosed except for midvein, 2-grooved. Conflorescence erect, usually terminal, sessile or pedunculate (peduncles to 6 (–30) mm long), exceeded by adjacent leaves, regular and umbelloid, 8–20-flowered. Flowers adaxially oriented. Flower colour: perianth white to pale pink, with brownish hairs on limb; style white to pink. Perianth subsericeous or sparsely so outside, bearded inside. Pistil 6–7.5 mm long; style strongly hooked just below apex, glabrous except for minute hairs or papillae in apical 1 mm; pollen-presenter oblique. Follicle narrowly ovoid-ellipsoidal, 6.5–10 mm long, faintly colliculose. 

Occurs in south-eastern N.S.W. and eastern Vic. 

In addition to features above, G. neurophylla has the leaves spreading to strongly ascending, pliable, not or scarcely pungent, often slightly curved or wavy.

Grevillea neurophylla is closely related to G. wiradjuri (which is usually a more open shrub with more space between the consistently widely ascending to spreading leaves, and the leaf margins always twice-refracted forming a short vertical 'wall' between the two refractions, giving a box-like cross-section). Grevillea gariwerdensis is also very similar, but has the leaves 1–3 (–5) cm long and the leaf margins shortly refracted, usually with some subsericeous lamina exposed on either side of the abaxial midvein. Grevillea patulifolia has the leaves almost spreading, straight, rigid, pungent, and often in clusters of three, and sessile conflorescences. Some western populations of G. patulifolia (Nerriga area, N.S.W.) are barely distinct from G. neurophylla , differing mainly in robustness and length of peduncles. These other three species all have fruits 9–11 mm long. Grevillea alpivaga has generally shorter leaves to 3 cm long, which are crowded in clusters on suppressed lateral branchlets, and more rigid, with the lower surface on either side of the midvein usually partly exposed.

Two subspecies are recognised.

(R.O.Makinson)

Leaves spreading to ascending, not or only moderately crowded; longest leaves ≤ 4 cm long; newer branches not columnar; fruits 8–10 mm long

subsp. neurophylla

Leaves strongly ascending, crowded; longest leaves usually > 4 cm long; newer branches subcolumnar; fruits 6.5–8 mm long

subsp. fluviatilis

 

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