R. Br., Prod. Fl. Nov. Holl. 446 (1810).
Synonymy: Not Applicable
Common name: Narrawa burr.
An erect or bushy suckering shrub 0.5-1 m tall, herbaceous or stems lasting several years; prickles to 15 mm long, usually straight, abundant on stems, Petioles, upper and lower leaf surfaces, peduncles, pedicels and calyx; stems and lower leaf surface closely and densely pubescent with pale stellate hairs, also minute simple glandular hairs, upper leaf surface sparsely pubescent with minute hairs mostly concentrated along veins, general aspect dark-green, leaves markedly discolorous; leaves 4-12 x 2-7 cm, ovate-elliptic, deeply lobed with 5-10 main lobes, lobes with slightly lobed or undulate margins, sinuses rounded and cut about half way to the midrib, leaf base markedly oblique, apex acute; petiole 0.5-1.5 rarely to 4 cm long.
Inflorescence a few- to 7-flowered cyme in an extra-axillary position; peduncle 2-10 mm long; floral rhachis to 6 cm long, upper flowers sometimes male; pedicel 5-8 mm long; calyx tube 2-3 mm long, lobes linear, 3-5 mm long, all very prickly outside, prickles to 8 mm long; corolla 1.5-2 cm long, campanulate-rotate, mauve-purple, interacuminal tissue well developed; filaments 2-3 mm long; anthers 3-4 mm long, oblong, stout, loosely erect; ovary 1-1.5 mm long, glabrous; style c. 1 cm long, curved; stigma shortly 2-lobed.
Fruiting peduncles and pedicels often firm, stout and decurved in the fruit; calyx c. 1 cm long, appressed to the fruit; berry globular, 1.5-2 cm diam., first marbled-green, later greenish-ivory, finally dark-brown with firm papery skin, seeds adherent to the placenta in a mass; seeds 3-4 x 2-3 mm, flattened or slightly twisted, dark-brown.
||Flowering and fruiting branch and a fruit.
Image source: fig. 573E in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).|
Cunningham et al. (1982) Plants of western New South Wales, p. 595.
An introduction from N.S.W. that is gradually spreading in the lower Flinders Ranges (cf. Symon (1976) S. Aust. Nat. 51:28-29).
S.Aust.: FR, EP, NL, SL. Qld; N.S.W.
Flowering time: Aug — Nov.
SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
Not yet available