Description: Shrubs, tomentose with non-glandular hairs or pubescent with mainly glandular hairs, or almost glabrous.
Leaves alternate, simple, margins entire, almost sessile.
Inflorescences terminal or lateral cymes or panicles [raceme- or thyrse-like], or flowers solitary and terminal, leaf-opposed, interfoliar or in branch forks. Flowers bisexual, slightly zygomorphic, with or without subtending pairs of bracts. Calyx campanulate to cupular, 5-lobed. Corolla funnel-shaped to campanulate with spreading limb; limb 5-lobed. Stamens 4, didynamous, inserted at base of corolla tube; a staminode sometimes present; anthers 1-locular, dehiscing by a terminal semicircular slit. Ovary 2-locular.
Fruit a capsule, opening by 4 valves.
Distribution and occurrence: World: 9 species, endemic Australia. Australia: all States except N.T.
Both ,Cyphanthera cuneata Miers and C. frondosa Miers may be hybrids between Duboisia myoporoides R. Br. and Cyphanthera albicans (Cunn.) Miers.
Text by B. J. Conn
Taxon concept:
| | Key to the species | |
| 1 | Leaves mostly more than 7 mm long; inflorescences leafy and paniculate | Cyphanthera albicans |
| Leaves usually less than 7 mm long; inflorescences 1-flowered or 1–3-flowered cymes | Cyphanthera scabrella |
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