Plants of South Eastern New South Wales

Boronia barkeriana

Flowering stems (subsp. angustifolia). Australian Plant Image Index, photographer Murray Fagg, Australian National Botanic Gardens, Canberra, ACT

Flowering stems (subsp. angustifolia). Photographer Donb Wood, Morton National Park

Shrub (subsp. angustifolia). Australian Plant Image Index, photographer Murray Fagg, Australian National Botanic Gardens, Canberra, ACT

Common name

Barker's Boronia 

Family

Rutaceae

Where found

Wet heath and other moist places on sandstone.

subsp. angustifolia:  Coast and ranges mainly between the Ilawarra Highway and the Kings Highway

subsp. barkeriana: Ranges north from west of Kiama

Notes

Shrub to 1 m high. Branchlets hairless, often reddish. Leaves aromatic when rubbed, opposite each other, usually 1.5–3.3 cm long, 1.5–11 mm wide, hairless, often reddish on the lower surface and along the margins, margins toothed, tips pointed. Flowers bright pink to mauve-pink, with 4 petals each 5–10 mm long. Petals overlapping each other in bud, falling early. 8 stamens. Flowers usually in 1–12 flowered clusters. Flowers most of the year.

Protected NSW.

subsp. angustifolia:  Leaves mostly 1.5–3.3 cm long, 1.5–6.5 mm wide, larger leaves with a length:breadth ratio of 4–8:1. Petals 5–10 mm long. Flowers usually in 1–12 flowered clusters. Stalks of individual flowers 5–14 mm long.

subsp. barkeriana:  Leaves usually 1.6–3 cm long, 4–11 mm wide, rarely smaller, larger leaves with a length:breadth ratio of 2.5–4:1. Petals 6–8 mm long. Flowers in 3–9 flowered clusters. Stalks of individual flowers 8–23 mm long.

PlantNET description of species and key to subspecies:  http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Boronia~barkeriana (accessed 5 January, 2021)