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Flora of Australia Online

ANTHOTIUM

D.A.Morrison

Anthotium R.Br., Prodr. 582 (1810); from the Greek anthos (flower) and otos (ear), referring to the auriculate adjacent wings of the adaxial petals which enclose the indusium

Type: A. humile R.Br.

Perennial herbs, glabrous except indusium. Stems 1–many; rootstock woody. Leaves radical, linear to spathulate, entire to serrulate. Inflorescence cymose, compound, 1–5 heads each of 1–5 monochasia, each of 1–3 flowers; bracts and bracteoles leaf-like; flowers sessile. Sepals linear to lanceolate. Corolla bilabiate, red, light blue or cream; tube open nearly to base adaxially, obliquely spreading abaxially; abaxial lobes lanceolate, the wings rounded on free parts; shorter adaxial lobes falcate, the wings rounded on opposite margins, auriculate on adjacent margins. Filaments free; anthers cohering in a tube. Ovary inferior, 2-locular; ovules numerous, axial; indusium cupular, glabrous or bearded. Fruit capsular; valves 4, longitudinal. Seeds with hardened epidermis. 

A genus the Flora of Australia publication listed with 3 species, endemic in south-western W.A. The Australian Plant Census lists 4 species. 

G.Bentham, Anthotium , Fl. Austral. 4: 44–45 (1868); K.Krause, Anthotium , Pflanzenr. 54: 109–112 (1912); D.A.Morrison, The genus Anthotium (Goodeniaceae), Nuytsia 7: 49–58 (1989).

1 Leaves lanceolate or spathulate, more than 2 mm wide

rubriflorum

1: Leaves linear to terete, 1 mm wide

2

2 Flowering stems 2–7 cm long; corolla usually creamy white

humile

2: Flowering stems 12–40 cm long; corolla pale blue or mauve

junciforme

3 Published since the Flora of Australia treatment

odontophyllum

 

Data derived from Flora of Australia Volume 35 (1992), a product of ABRS, ©Commonwealth of Australia