Australian Tropical Rainforest Plants - Online edition

Boronia lanceolata F.Muell.


Herb (herbaceous or woody, under 1 m tall)
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Leaves and flowers. © Australian Plant Image Index (APII). Photographer: M. Fagg.
Herbarium specimen. © CSIRO
Family

Mueller, F.J.H. von (1859) Fragmenta Phytographiae Australiae 1(4): 66. Type: In locis sterilibus petraeis terrae Arnhemicae et sinus Carpentariae.

Stem

Much branched shrub up to 2.5 (-4) m tall. Branches terete with hardly any cork. Leafy stems clothed in a mixture of small and large yellow to golden stellate hairs.

Leaves

Leaf blades 25-60 (-90) x 5-11 (-27) mm, petioles 5-6 (-16) mm long, clothed in matted stellate hairs. Leaf blade upper surface glabrous to rugose, lower surface clothed in matted hairs and scattered larger stellate hairs.

Flowers

Inflorescence cymose, 3-7 (-15) -flowered with a dense stellate indumentum. Flower with a dense stellate indumentum. Sepals shorter and narrower than petals, 1-3 x 1-2 mm, adaxial surface of sepal glabrous. Petals with prominantly raised midrib, 2-5.5 x 1.5-3 mm and enlarging in fruit. Stamens 8, filaments 1-1.5 mm long, hairy with the upper part thickened and clothed in stellate hairs. Ovary glabrous

Fruit

Schizocarp brown with white papillae, 3-4 x 2-2.5 mm. Seed grey to black, 2-3 x 1.5-2 mm. Testa smooth, glossy.

Seedlings

Features not available.

Distribution and Ecology

Occurs mainly in the NT with a few localities in and north of the Boodjamulla National Park in far western NEQ, Queensland. Altitudinal range from near sea level to 225 m. Grows in open Eucalypt and closed Allosyncarpia forest in sheltered gorges, in Eucalypt woodland and heathland on sandy to loamy soils.

RFK Code
4095
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