Grevillea agrifolia R.Br.
Prodr. Suppl. 24 (1830)
Monday 13 November 2000
Shrub or tree, 1-6 m high. Fl. cream-yellow, Mar to Sep. Sand, loam, gravel, sandstone, quartzite, laterite, haematite. Rocky sites and outcrops, near water, coastal areas.
Beard’s Provinces: Northern Province.
IBRA Regions: Central Kimberley, Northern Kimberley, Victoria Bonaparte.
IBRA Subregions: Berkeley, Mitchell, Pentecost, Victoria Bonaparte P1.
IMCRA Regions: Kimberley.
Local Government Areas (LGAs): Derby-West Kimberley, Halls Creek, Wyndham-East Kimberley.
Chris Hollister and Nicholas S. Lander,
Tuesday 8 April 2008
Habit and leaf form. Trees or shrubs, 1–6 m high. Branchlets not glaucous. Leaves simple, 60–155 mm long overall. Leaf blade 20–75 mm wide, undissected, flat, obovate. Margins prickly, flat. Hairs straight.
Inflorescence and floral features. Inflorescence axillary, or terminal; a raceme. Flowers green or white or cream, very irregular. Pedicel 2–4 mm long. Perianth 6–10 mm long, glabrous, 4 -partite; lobes all free. Stamens 4. Pistil 14–20 mm long, stipitate; stipe 2–4 mm long. Ovary hairy. Styles hairy, green or white. Pollen presenter oblique.
Fruit features. Fruit rugose, ellipsoidal or subglobose, glabrous, not viscid, 12–24 mm long.
Flowering Time. May, or June, or July, or August, or September.
Habitat. Amongst medium trees, or low trees; in rocky or stony soil, or gravelly soil, or sand; occupying sandplains, river banks,sandstone gullies, sandstone outcrops.
Distribution. Western Australia, Northern Territory. Western Australian Botanical Province(s): Northern; IBRA Bioregions N: NK, VB, CK, DL, and OVP. Western Australian native; endemic to Western Australia.
subsp. agrifolia: Mature fruit 18–24 mm long; pericarp 2.8–3 mm thick
at centre face; most leaves more than 40 mm wide
subsp. microcarpa: Mature fruit 12–16 mm long; pericarp less than 1.5 mm thick at centre face; most leaves less than 40 mm wide.
Etymology. agrifolia (L): aeger sick, weak + folium leaf, term sometimes applied to scabby-leaved plants.
Descriptions were generated using DELTA format and DELTA software: Dallwitz (1980) and Dallwitz, Paine and Zurcher (1993 onwards, 1995 onwards, 1998)