Boronia megastigma Nees ex Bartl.

Sweet boronia (en)

Species

Angiosperms > Sapindales > Rutaceae > Boronia

Characteristics

Shrub to 2 m high. Branches slender, minutely puberulous. Leaves sessile, 3–5-foliolate, glabrous or sparsely puberulous; leaflets linear, thick, 1–2 cm long. Flowers axillary, solitary, somewhat pendulous, forming floriferous branches; pedicel c. 1 cm long. Sepals very broadly ovate, 2 mm long, glabrous. Petals orbicular, 6–7 mm long, minutely puberulous or glabrous; abaxial surface dark brown to purple-black, rarely yellow; adaxial surface yellow. Disc narrow, glabrous. Stamens: filaments terete, glabrous; antisepalous anthers sterile, suborbicular, c. 1 mm long, dark purple; antipetalous anthers fertile, suborbicular, c. 0.5 mm long, pale yellow. Ovary ±glabrous; stigma sessile, massive, depressed-spherical, obtusely 4-lobed, glabrous, dark purple to black.
More
An evergreen shrub. It grows 1 m high and spreads 1 m wide. The stem is slender. The plant has a fine textured crown. The leaves are green and very fine. The flowers are brown and bell shaped.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 1.0
Mature height (meter) 1.5 - 2.5
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

It is a temperate or Mediterranean climate plant. It grows in sandy, poorly drained soils. It needs protected partly shaded conditions.
More
Grows in winter swamp-lands, mainly in the Karri forests and the southern limits of the Jarrah forests. 
Peaty sands, winter-wet swamps.
Light 4-9
Soil humidity 5-7
Soil texture 5-6
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-9

Usage

The fragrant flowers are the source of an essential oil used in create a black currant flavouring food manufacture. It is used in drinks, ice creams, and baked goods.
More
Cultivated as an ornamental. The flowers are sweet orange-scented and are used in the perfume industry.
Uses environmental use essential oil food material ornamental
Edible flowers fruits
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Plants can be grown by seed or cuttings.
Mode cuttings seedlings
Germination duration (days) 30 - 60
Germination temperacture (C°) 18 - 23
Germination luminosity light
Germination treatment -
Minimum temperature (C°) -7
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Boronia megastigma unspecified picture

Distribution

Boronia megastigma world distribution map, present in Australia

Identifiers

LSID urn:lsid:ipni.org:names:771646-1
WFO ID wfo-0000569228
COL ID MKWS
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Boronia megastigma Boronia tristis