Goodenia subg. Monochila (G.Don) Carolin, Fl. Australia 35: 330. 1992.

Shepherd, Kelly A., Lepschi, Brendan J., Johnson, Eden A., Gardner, Andrew G., Sessa, Emily B. & Jabaily, Rachel S., 2020, The concluding chapter: recircumscription of Goodenia (Goodeniaceae) to include four allied genera with an updated infrageneric classification, PhytoKeys 152, pp. 27-104 : 27

Goodenia subg. Monochila (G.Don) Carolin, Fl. Australia 35: 330. 1992.

= Goodenia sect. Monochila G.Don, Gen. hist. 3: 725. 1834.

Type.

(designated by Carolin in George (ed.), Fl. Australia 35: 330. 1992): G. scapigera R.Br.

Description.

Shrubs, subshrubs or herbs, erect or decumbent, sometimes with a basal stock. Leaves basal, cauline or both. Flowers in axillary dichasia or terminal thyrses, racemes or spikes; bracts leafy or bracteose; bracteoles present; pedicels may be articulate. Corolla bilabiate or fan-like, white (sometimes with purple spots at the base of the lobes), yellow, blue or blueish-purple or rarely pink to mauve; throat glaborous, sometimes with stiff hairs, with or without enations, with or without auricles; pouch inconspicuous or prominent to 1/2 ovary length. Style simple. Ovary with septum c. 2/3 locule length or 1 locular; ovules usually in 2-rows, rarely solitary. Fruit a capsule with 2 valves, persistent or deciduous, rarely indehiscent and nutlike. Seeds with or without a membranous or mucilaginous wing.

Number of taxa and distribution.

The subgenus Monochila includes 58 species across six sections. Western Australia is a centre of diversity for this group with species from sect. Velleia also found in Eastern Australia and one species present in New Guinea.