Plants of South Eastern New South Wales

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Xanthosia pilosa

Common name

Woolly xanthosia

Family

Apiaceae

Where found

Forest, woodlandheath, rocky sites, and along streams. Coast, ranges, and the eastern part of the tablelands.

Notes

Shrub to 0.65 m high, sometimes scrambling. Stems hairy with much-branched hairs (needs a hand lens or a macro app on your phone/tablet to see), or sometimes nearly hairless. Leaves alternating up the stems, variable in size and shape even on the same plant, 3–7-lobed, 0.4–5.5 cm long, 5–55 mm wide, sometimes compound with 3 leaflets each 0.3-5 cm long, 1-30 mm wide, densely hairy to more or less hairless, upper surface dark green and hairy, lower surface whitish or often brownish tomentose, the lobes often with a tuft of hairs at the tip.  Individual flowers with 5 white to pale green petals each 1–1.4 mm long, and 5 pale green sepals 1–1.6 mm long. Flower clusters usually 1–20-flowered, looking like individual flowers. 2-3 bracteoles below each cluster, petal-like, white to yellow or yellow-green, turning reddish, 3–10 mm long. Flower clusters often paired. Flowers most of the year.

PlantNET description:  http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Xanthosia~pilosa (accessed 8 February, 2021)

Description above partly taken from Hart, J.M. & Henwood, M.J., (2000) Systematics of the Xanthosia pilosa complex (Apiaceae: Hydrocotyloideae). Australian Systematic Botany. 13(2): 258-265, Figs 11, 12-16