Common name: Sponge-fruit
Trachymene ornata (Endl.) Druce APNI*
Description: Annual herb, to 15 cm high; stems sparsely hairy.
Leaves deeply 3-lobed to dissected, lamina ovate in outline, 1–3 cm long, 0.5–3 cm wide; segments elliptic to obovate, 1–5 mm wide, sparsely hairy; petiole 6–30 mm long.
Umbels 4–18 mm diam., 3–7 flowered; peduncle 1.5–4.5 cm long, sparsely hairy; bracts 5–6, 2–4 mm long. Flowers bisexual. Petals 0.9–1.1 mm long, white or blue. Ovary 2-locular, felted.
Fruit broad ovate, 3.5–5.7 mm long (including indumentum), white or tinged purple; both mericarps maturing. Mericarps 2.2–2.8 mm wide (including indumentum); densely woolly. Carpophores entire, 1.7–2.7 mm long.
Flowering: Flowers July–October
Distribution and occurrence: Grows in rocky situations or on shallow soils often in drainage tracts, moss swards or rock crevices; west from Rankin Springs and Cobar.
NSW subdivisions: NWP, SWP, NFWP
Other Australian states: W.A. S.A.
Formerly in Apiaceae.
Text by J.M. Hart
Taxon concept: J.M. Hart, 2002
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.