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Flora of Australia Online

Grevillea floripendula R.V.Sm., Muelleria 4: 423 (1981)
Ben Major Grevillea

T: Ben Major Forest Reserve, c. 300 m E of Beaufort to Amphitheatre road, c. 16 km N of Beaufort, 8.1 km N of Raglan Rd junction, Vic., 15 Oct. 1976, R.V.Smith 76/23 ; holo: MEL; iso: A n.v. , AD, BRI, CANB, HO, K, MEL, NSW, PERTH.

Illustrations: W.M.Molyneux, Muelleria 3: 144, fig. 1g–i (1975); R.V.Smith, Muelleria 4: 424, fig. 1 (1981); P.M.Olde & N.R.Marriott, Grevillea Book 2: 168 (bottom right), 169 (138A, B) (1995).

Prostrate to sprawling shrub, 0.3–1.0 m high, to 3 m across. Leaves ovate in gross outline, 2–6.5 cm long, 15–50 mm wide, pinnatipartite, usually with 5–9 (–11) spreading primary lobes each usually 2–6-fid or sometimes entire; ultimate lobes ovate-triangular, 5–20 mm long, 3–15 mm wide, usually pungent; margins shortly recurved; lower surface with an open to sparse indumentum of wavy to curly hairs. Unit conflorescence usually pendent and straight on a thin wiry glabrous peduncle (8–25 mm long), occasionally decurved, secund; floral rachis 30–55 mm long. Flower colour: perianth grey-green to purplish brown; style light burgundy to light red or greenish yellow to yellow or pale pink, with a green tip. Perianth subsericeous to loosely tomentose outside. Pistil 12.5–16 mm long; ovary stipitate; style glabrous. Follicle 8.5–11 mm long, subsericeous. 

Occurs in central-western Vic., where restricted to small populations in the area between Waterloo and Ben Major, N of Beaufort. Grows in dry sclerophyll forest in rocky quartzitic soils. Flowers Oct.–Dec. Map 21.

Vic.: Ben Major area NNE of Beaufort, c. 44 km E of Ararat, A.C.Beauglehole 61447 (MEL, NSW); Waterloo area c. 5 km NNE of Beaufort, A.C.Beauglehole 61517 (NSW); Ben Major Forest Reserve, R.V.Smith 76/23 (MEL, NSW).

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

There is some variation in leaf morphology and flower colour. The 'Ben Major form' has a sprawling habit, up to 3 m across, with relatively shallow leaf division and dull red to burgundy styles. The 'Musical Gully form', from NW of Beaufort, is decumbent to weakly erect in habit, with larger, often deeply divided leaves often with secondary division, and styles ranging from dull purplish or pink-red to yellowish.

Grevillea floripendula can be distinguished from G. aquifolium which has a denser indumentum on the leaf lower surface and a longer pistil (> 20 mm long); from G. microstegia which has a stouter, usually shorter, and hairy peduncle and narrower more acute leaf lobes; from G. dryophylla which has a hairy and stouter peduncle (> 1 mm thick); from G. montis-cole which has a thicker usually hairy peduncle and erect fruits (fruits on incurved stipe in G. floripendula ) and (subsp. montis-cole ) pistils 26–27.5 mm long, and from G. steiglitziana which has a usually longer pistil (15–20 mm long) and a sericeous leaf lower surface.

(R.O.Makinson)

 

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