Erect, rhizomatous perennial shrub, 0.8-1.8 m high. Juvenile branchlets with 15-25 prickles per dm, 5-9 mm long; leaves (in outline) lanceolate, shallowly to deeply lobed, with 1 or 2 pairs of lobes; lamina 7-10 cm long, 1.5-2.5 cm wide, with 3-5 prickles on upper surface. Adult branchlets grey; prickles 1-10 per decimetre, straight, acicular, 5-9 mm long, 7-10 times longer than wide; stellae very dense, 0.3-0.4 mm diameter, sessile; lateral rays 7-10, porrect; central ray absent or present, 0-0.5 times as long as laterals, not glandtipped; finger hairs absent; Type 2 hairs absent.

Adult leaves linear or narrow lanceolate, entire or with obtuse basal lobes only; lamina 5-11 cm long, 0.5-1.3 cm wide, 6-13 times longer than broad, apex obtuse or acute, base cuneate, obtuse or hastate, oblique part 0-1.5 mm long, obliqueness index 0-2 percent; petioles 0.3-0.9 cm long, 5-15% length of lamina, prickles absent or present. Upper leaf surface green; prickles 1-7, straight, acicular, 4-10 mm long, prickles present on midvein only; stellate hairs distributed throughout; protostellae present; ordinary stellae very sparse to sparse, 0.4-0.7 mm apart, 0.1-0.2 mm across, sessile; lateral rays 7 or 8, porrect; central ray 0-0.5 times as long as laterals, not gland-tipped; finger hairs absent; Type 2 hairs absent. Lower leaf surface white or yellowish; prickles 0-5, straight, acicular, absent or present on midvein only; stellae very dense, c. 0.05 mm apart, 0.2-0.45 mm diameter, sessile; lateral rays 7 or 8, porrect; central ray 0.5-1 times as long as laterals, not gland-tipped; finger hairs absent; Type 2 hairs absent.

Inflorescence supra-axillary, pseudo-racemose, common peduncle 1-11 mm long, rachis prickles absent; 3-6-flowered, weakly andromonoecious, flowers 5-merous; pedicels 5-10 mm long at anthesis, same thickness throughout, 0.8-0.9 mm thick at mid-point, prickles absent. Calyx tube 1.5-2.5 mm long, lobes deltate or attenuate, 2.5-4.5 mm long; prickles absent at anthesis; stellae dense, transparent or purple, 0.25-0.4 mm across, stalks 0-0.1 mm long, lateral rays 7 or 8, central ray 0.5-1 times as long as laterals, not gland-tipped; finger hairs absent; Type 2 hairs absent. Corolla purple, 8-14 mm long, rotate, inner surface glabrous or sparsely stellate-hairy; anthers 4.5-6.5 mm long; ovary with Type 2 hairs only; functional style 8-11 mm long, erect, with stellate and Type 2 hairs, stellae 0.4-0.5 mm across, lateral rays 8-11, central ray c. 1 times as long as laterals.

Fruiting calyx with lobes less than half length of mature fruit, prickles absent. Mature fruits 1-3 per inflorescence, oblate or globular, 11-16 mm diameter, pale green with dark green streaks, 2-locular; placenta in cross-section stalked, anvil-shaped; mesocarp moist but not juicy; exocarp 0.7-0.8 mm thick; pedicels 9-13 mm long in fruit, 0.9-1.4 mm thick at mid-point; seeds white or pale yellow, 2.3-3 mm long.

Description by A.R.Bean, reproduced, with permission, from Austrobaileya 6: 781 (2004).

Another detailed description of this species can be found in Bean's interactive key to the eastern Australian species of Solanum at http://delta-intkey.com/solanum/www/amblymer.htm.