Electronic Flora of South Australia
Electronic Flora of South Australia
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Electronic Flora of South Australia species Fact Sheet

Daviesia asperula

Citation: Crisp, J. Adelaide Bot. Gard. 6:55 (1982).

Synonymy: Not Applicable

Common name: None

Compact or spreading shrub to 2 m tall, the branchlets greenish, with several longitudinal minutely scabrid ribs; phyllodes arranged regularly spirally, often crowded, divaricate, recurved at least at the base, laterally compressed or flattened, either subulate or obliquely falcate to narrow-obovate, 5-25 x 1-4.5 mm, pungent, articulate at the base, striate with parallel nerves, scabridulous.

Flowers 5-6 mm long, racemes 1 per axil, 2- or 3-flowered, rhachis almost nil; bract(s) at the base of each peduncle or pedicel ovate to spathulate, to 1 mm long, brown to dark-brown, glabrous; calyx campanulate, 2-3 mm long, on 1-2 mm long pedicels, glabrous, lobes short, triangular to apiculate, slightly fimbriate, the upper 2 partly united higher up; standard very broad-ovate, c. 7 x c. 7 mm, on a c. 2 mm long claw, orange or yellow with a deep-red centre; wings obovate, c. 5 x c. 2 mm, auriculate, pale-red adaxially; keel obovate, acute, c. 5 x c. 2 mm, on a greenish c. 2 mm long claw deep-red distally.

Pod broad-triangular, constricted to a slightly elongated stipe-like base, 10-14 x 7-10 mm, with a semicircular curve along the lower suture, brown, glabrous, l-seeded; seed broadly ovoid-ellipsoid, 3.3-4 x 2.4-3.3 x c. 2.4 mm, with a large thickly 2-lobed aril projecting beyond the outline of the seed in profile.

Conservation status: native

Flowering time: No flowering time is available

SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia

Biology: No text

Key to Infraspecific taxa:
1. Phyllodes subulate, broadest at or near the base
subsp. asperula 3a.
1. Phyllodes falcate or obliquely narrow-obovate, broadest at or above the middle
subsp. obliqua 3b.

Author: Not yet available

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