''Diplolaena drummondii'' is an endemic Australian flowering plant in the family Rutaceae. It is only found in Western Australia. It is a small, spreading shrub with oblong to elliptic papery, thin leaves, and yellow, orange or reddish flowers which bloom between July and November.

Description

''Diplolaena drummondii'' is a small, spreading shrub to high with papery, elliptic to oblong-elliptic leaves long, margins flat, wedge shaped at the base, rounded at the apex on a petiole long. The leaf upper surface is covered sparsely with short, soft hairs, the underside sparsely to moderately covered with star-shaped hairs. The flowerheads about in diameter, the outer green to reddish brown

bract In botany, a bract is a modified or specialized leaf, especially one associated with a reproductive structure such as a flower, inflorescence axis or cone scale. Bracts are usually different from foliage leaves. They may be smaller, larger, or of ...

s are egg-shaped to narrowly triangular, about long, covered in star-shaped, soft, short hairs. The inner bracts are about long, narrowly oblong, covered in soft, short, star-shaped hairs that taper gradually to a point. The pale red flower petals about long and covered in smooth, short, star-shaped hairs and taper to a point. The red or yellow stamens are about long, and covered with star-shaped, soft, weak hairs toward the base. The flower petals about long, light red with star-shaped, soft, smooth hairs. Flowering occurs from July to November.

Taxonomy

''Diplolaena drummondii'' was first formally described in 1863 by George Bentham who gave it the name ''Diplolaena microcephala'' var. ''drummondii'' in '' Flora Australiensis''.In 1921

Carl Hansen Ostenfeld Carl Emil Hansen Ostenfeld (born Carl Emil Ostenfeld-Hansen) (3 August 1873 – 16 January 1931) was a Danish systematic botanist. He graduated from the University of Copenhagen under professor Eugenius Warming. He was a keeper at the Botan ...

raised the variety to species status as ''Diplolaena drummondii'' and the change was published in ''Contributions to West Australian Botany, part III : Additions and notes to the flora of extra-tropical W. Australia. Biologiske meddelelser, Kongelige Danske Videnskabernes Selskab''.

Distribution and habitat

This species grows in woodland near Mundaring and Collie in the

Darling Range The Darling Scarp, also referred to as the Darling Range or Darling Ranges, is a low escarpment running north–south to the east of the Swan Coastal Plain and Perth, Western Australia. The escarpment extends generally north of Bindoon, to th ...

References

{{Taxonbar, from=Q15391723 Sapindales of Australia Rosids of Western Australia Zanthoxyloideae