Grevillea pinaster
{{short description|Species of shrub in the family Proteaceae endemic to Western Australia}}
{{Use dmy dates|date=July 2019}}
{{Speciesbox
|image = Grevillea pinaster.jpg
|image_caption =
|genus = Grevillea
|species = pinaster
|authority = Meisn.{{cite web|title=Grevillea pinaster|url= https://biodiversity.org.au/nsl/services/apc-format/display/110867|publisher=Australian Plant Census|access-date=22 August 2022}}
|synonyms =
- ? Grevillea pinaster var. brevifolia Benth.
- Grevillea pinaster Meisn. var. pinaster
- Grevillea thelemanniana subsp. pinaster (Meisn.) McGill.
}}
Grevillea pinaster is a species of flowering plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is an erect shrub with linear leaves and pinkish-red to red flowers, the style with a yellowish tip.
Description
Grevillea pinaster is usually an erect shrub that typically grows to a height of {{cvt|2–3|m}}, sometimes a low, spreading shrub {{cvt|2–3|m}} wide. Its leaves are linear, {{cvt|25–80|mm}} long and {{cvt|0.5–2|mm}} wide, sometimes with 2 to 5 linear lobes {{cvt|10–40|mm}} long. The upper surface is glabrous, the edges turned down or rolled under obscuring the lower surface. The flowers are arranged in clusters of 12 to 20 on a rachis {{cvt|5–20|mm}} long and are pinkish-red to red and mostly glabrous, the pistil {{cvt|20–25|mm}} long. The end of the style is yellowish. Flowering mainly occurs from May to September and the fruit is an oblong to elliptic follicle {{cvt|10–13|mm}} long.{{FloraBase|name=Grevillea pinaster |id=8838}}{{cite web |title=Grevillea pinaster |url=https://profiles.ala.org.au/opus/foa/profile/Grevillea%20pinaster |publisher=Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra |access-date=22 August 2022}}
Taxonomy
Grevillea pinaster was first formally described by Carl Meissner in Hooker's Journal of Botany and Kew Garden Miscellany in 1855, from material collected by James Drummond.{{cite web|title=Grevillea pinaster|url= https://id.biodiversity.org.au/instance/apni/543131|publisher=APNI|access-date=22 August 2022}} The specific epithet (pinaster) means "imitation pine".{{cite book |last1=Sharr |first1=Francis Aubi |last2=George |first2=Alex |title=Western Australian Plant Names and Their Meanings |date=2019 |publisher=Four Gables Press |location=Kardinya, WA |isbn=9780958034180 |page=278 |edition=3rd}}
Distribution and habitat
This grevillea grows in shrubland and heath, often near creeks, and mainly occurs between the Murchison River, Eneabba and Mullewa in the Avon Wheatbelt, Geraldton Sandplains and Swan Coastal Plain bioregions of south-western Western Australia.
Conservation status
Grevillea pinaster is listed as "not threatened" by the Government of Western Australia Department of Biodiversity, Conservation and Attractions.
Plants labelled as Grevillea stenomera in plant nurseries are often forms or hybrids of this species.{{cite book|author1=Olde, P. |author2=Marriott, N.|title=The Grevillea Book Volume 3| pages=97–99|publisher=Kangaroo Press|location=Australia | year=1995 | isbn=0864176112}}