It has up to eight rigid leaves and up to twelve small bright green to yellowish green flowers with reddish markings on the labellum.

Sarcochilus parviflorus is an epiphytic, rarely lithophytic orchid with sparsely branched stems 30–80 mm (1–3 in) long with between two and eight leaves.

The leaves are dark green, rigid, egg-shaped to narrow oblong, 80–150 mm (3–6 in) long and 30–40 mm (1–2 in) long wide.

[2][3] Sarcochilus parviflorus was first formally described in 1838 by John Lindley and the description was published in Edwards's Botanical Register.

[6]: 45 The southern lawyer orchid grows on trees, rarely on rocks, in rainforest in coastal areas and nearby tablelands between Brisbane and Tathra.