All Wildflowers

Slender Onion Orchid

You could easily mistake this common little orchid for grass. A small terrestrial orchid with 10s of tiny flowers crowded along a flowering spike that can grow up tp to 30cm tall.

Slender Smoke-bush

An erect shrub to 1.5m tall with narrow, upturned leaves. The flower are blue to whiteish in a dense spike.

Slipper Orchid

Tuberous, perennial, herb, 0.25-0.7 m high. Fl. green & red, Nov to Dec or Jan to Apr. White-grey sand, loam, granite. Sand dunes, outcrops, swamps.

Slipper orchid

Photo by Graeme W. The Slipper orchid, Cryptostylis ovata found all over the southwest of WA especially near rivers and creeks.

Small Darwinia

Darwinia micropetala, commonly known as Small Darwinia, is a small shrub that is native to south-eastern Australia. It grows to 0.5 metres high and has small leaves and clusters of small white and

Small Monkey Flower

Prostrate annual or perennial, forming broad mats, rooting at nodes, sparsely hairy with white non-glandular hairs, sometimes confined to younger parts and calyx rim.

Smooth Fringe Myrtle

Small woody shrub to 1m tall with tiny, smooth leaves and is endemic to South Australia.

Snow Flower

Stark white papery flowers on this erect to procumbent, glabrous annual, herb, 0.05-0.2 m high. Fl. white, Apr to Oct. Red sand.

Snow Myrtle

Open shrub up to 2m tall growing as an understorey in open forest and woodland.

Snowy River Wattle

A small suckering shrub to about 3m tall that can form thickets. Smaller spherical lemon yellow flowerheads are clustered at the ends of branches. Phyllodes are narrow and blue-green.

Soft Billybuttons

Ascending or erect herb with many stems to 40 cm high. Cauline leaves oblong to oblanceolate, 3–7 cm long, 2–10 mm wide, apex broad-acute, gland-tipped; lamina concolorous, olive-brown to green,

Southern Blechnum Banksia

The Southern Blechnum Banksia is a prostrate spreading shrub with horizontal stems and fern-like leathery leaves that give the plant its specific name.

Southern Cross

Xanthosia rotundifolia is an erect or sprawling perennial herb growing 60cm high and spreading about 1m wide. Its common name, Southern Cross,

Spider Orchid hybrid

This orchid is a cross between the Giant spider orchid ( C. excelsa ) and Scott River Spider Orchid (C. thinicola ). It ranges from Yallingup to Karridale and is found in deep sandy soils amongst low

Spider Orchid Hybrid

Photos by Graeme W. A hybrid Caladenia. This is a cross between the Sandplain Spider Orchid (C. speciosa) and the Tuart Spider Orchid (C. georgei),

Spider Orchid Hybrid

Photo by Graeme W. Another hybrid Caladenia, this time a cross between sandplain (C. speciosa) and the grand spider orchid (C. huegelii) .

Spiked Sourbush

Shrub 1–2 m tall; branches erect. Stems finely striate, terete; flowering branchlets 1.5–2.5 mm diam., the internodes short. Leaves triangular, alternate, appressed, 1.5–2.5 mm long; apex weak, dry,

Spinifex (Triodia)

Spiny Mintbush

IN NSW Prostanthera spinosa is an aromatic, scrambling, prostrate shrub, to 0.5 metres high. It is erect and reaches up to 2 metres in Victoria and South Australia.

Spiny Wattle

Much-branched, erect shrub mostly 0.5–1 m high. Branchlets rigid, terete, striated by rather prominent yellow ribs, green, grey-green or subglaucous between ribs, glabrous, spinose.

Splendid Everlasting

Annual herb to about 50cm high. Leaves up to 3cm long. Flower heads about 5cm across. Flowers which may be white, cream, pink or yellow form after rain.

Splendid spider orchid

Photo by Graeme W. The Splendid Spider Orchid, Caladenia splendens the second largest of our white spider orchids. The calli have white tips and the petals are very long and taper very quickly .

Spotted Poverty Bush

Shrub, 0.5-2 m high. Fl. violet-purple-white, Aug to Oct. Red sand, loam or clay soils. Gibber plains, calcareous flats, jasper outcrops.

Square-fruit Mallee, Four-winged Mallee

Staggly small mallee to 3m. Leaves thick, about 15cm long. Large square ribbed, bright red flower base. Anthers bright pink. Operculum (bud cap) is pointed and ribbed.