Citation: O. Schulz, Pflanzenr. 86:177 (1924).

Derivation: A diminutive of Arabis.

Synonymy: Erysimum L. subgen. Arabidella F. Muell., Linnaea 25:368 (1853); (Shaw (1965) Trans. R. Soc. S. Aust. 89:177-203).

Common name: None

Description:
Annual herbs or perennial shrubs, glabrous, papillose or with simple hairs.

Sepals erect or spreading, dimorphic; petals clawed; stamens 6; median glands present or absent; siliqua dehiscent, mid-vein distinct.

Seeds in 1 or 2 rows, mucous; radicle incumbent.

Distribution:  An endemic genus with 6 species in Australia.

Biology: No text

Key to Species:

1. Plants herbaceous
2. Leaves mostly bisect or trisect	A. nasturtium 4.
2. Leaves pinnatisect or lyrate-pinnatifid
3. Plants glabrous	A. procumbens 5.
3. Plants hairy	A. eremigena 1.
1. Plants shrubby
4. Shrubs straggling, with most or all leaves entire	A. filifolia 2.
4. Shrubs erect, with most or all leaves bisect to multisect
5. Inflorescence a raceme; stem usually papillose; fruit usually sessile, linear	A. trisecta 6.
5. Inflorescence elongating from a corymb; stem glabrous; fruit usually stipitate, linear-ellipsoidal	A. glaucescens 3.

Author: Not yet available