Grevillea wickhamii Meisn.
Wickham's Grevillea
A.DC., Prodr. 14:380 (1856)

Browse to the list of specimens for Grevillea wickhamii Meisn.

Conservation Code: Not threatened
Naturalised Status: Native to Western Australia
Name Status: Current

Brief Description
Amanda Spooner, Wednesday 28 June 2006

Erect shrub or tree, to 6 m high. Fl. red/pink/orange/yellow, Apr to Oct. Red sand or loam, stony or skeletal soils, laterite, sandstone, limestone, quartzite. Sand dunes, plains, rocky hills & gullies, cliffs or ridges, along creeklines.

Photo of Grevillea wickhamii Meisn.

 

Distribution

Beard’s Provinces: Eremaean Province, Northern Province.

IBRA Regions: Central Kimberley, Great Sandy Desert, Little Sandy Desert, Northern Kimberley, Ord Victoria Plain, Pilbara, Tanami.

IBRA Subregions: Chichester, Fortescue, Hamersley, Mackay, Mitchell, Ord, Ord-Victoria Plains P1, Pentecost, Roebourne, Rudall, Tanami P1, Trainor.

Local Government Areas (LGAs): Ashburton, Derby-West Kimberley, East Pilbara, Halls Creek, Meekatharra, Roebourne.

Scientific Description
Chris Hollister and Nicholas S. Lander, Tuesday 8 April 2008

Habit and leaf form. Shrubs, 1–5 m high. Branchlets not glaucous. Leaves simple, 25–90 mm long overall. Leaf blade 20–55 mm wide, undissected, flat, obovate or spathulate. Margins dentate or prickly, flat. Hairs straight.

Inflorescence and floral features. Inflorescence axillary, or cauline; a raceme. Flowers cream or yellow or red, somewhat irregular. Pedicel 2–9 mm long. Perianth 4–7 mm long, glabrous or simple-hairy or glandular-hairy, 4 -partite; lobes free and joined. Stamens 4. Pistil 6–8 mm long, stipitate; stipe 1.5–3 mm long. Ovary glabrous. Styles hairy, yellow. Pollen presenter lateral.

Fruit features. Fruit oblong or ellipsoidal, glabrous, 10–17 mm long.

Flowering Time. July (flowers throughout the year).

Habitat. Amongst medium trees, or low trees, or tall (sclerophyll) shrubland; in rocky or stony soil, or gravelly soil, or sand, or loam, or clay.

Distribution. Western Australia, Northern Territory, South Australia, Queensland. Western Australian Botanical Province(s): Eremaean and Northern; IBRA Bioregions ER: GSD, PIL, LSD, GD, and CR; IBRA Bioregions N: NK, CK, DL, OVP.

Comments.

subsp .aprica: Outer surface of perianth with appressed biramous hairs; floral rachis 15–40 mm long

subsp cratista: Outer surface of perianth with appressed biramous hairs; floral rachis 30–120 mm long

subsp hispidula: Outer surface of perianth with short erect hairs

subsp. macrodonta: Outer surface of perianth glabrous; margin of toral rim dentate; a large triangular tooth at each end; floral rachis 30–60 mm long

subsp. pallida: Outer surface of perianth with appressed biramous hairs; style with simple glandular hairs

subsp. wickamii: Outer surface of perianth glabrous; floral rachis 10–20 mm long; toral rim margin undulate.

Etymology. wickhamii: John Clements Wickham (1798–1864), 1st lieut. on HMS Beagle 1831–36 (Darwin's expedition); commanded the ship in WA waters 1837–38; later goverment resident at Moreton Bay, Queensland: Acacia.

Descriptions were generated using DELTA format and DELTA software: Dallwitz (1980) and Dallwitz, Paine and Zurcher (1993 onwards, 1995 onwards, 1998)