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Electronic Flora of South Australia species Fact Sheet

Family: Lamiaceae
Dicrastylis costelloi

Citation: Bailey, Dept Agr. Brisbane Bull. 4:14 (1891).

Synonymy: Dicrastylis costelloi, Dicrastylis doranii

Common name: None

Description:
A greyish-tomentose shrub, 45-75 rarely 90 cm high; .stem erect, branched, woody, densely tomentose; leaves sessile, subopposite or in whorls of 3, linear or linear-lanceolate, obtuse, with recurved-revolute margins, 1-2.5 rarely to 3 cm long, 2-4 rarely to 6 mm broad, greyish- tomentose when young, the older glabrescent and rugose.

Inflorescence terminal, spike-like with a few branches near the base of the spike, with a whitish-grey, purplish-violet or purplish-grey tomentum, each cyme usually 7-flowered, sometimes more; flowers sessile or shortly pedicellate; bracts linear-lanceolate, 2-2.5 mm long, 0.4-0.5 mm broad, tomentose outside, glabrous inside calyx 5-lobed, densely tomentose outside, glabrous inside, 2.5-3 mm long; lobes deltoid, c. 1 mm long, nearly as broad; tube shallow, 1.3-1.5 mm long; corolla white, tubular, 5-lobed towards the apex, 4-4.2 mm long; lobes oblong, rounded and crenate at the top, 1.2-1.6 rarely to 2.5 mm long, 1-1.3 rarely to 1.7 mm broad, covered with a branched tomentum outside, glabrous inside; tube cylindrical, 2.5-3 mm long, shortly tomentose in the upper half outside, densely villous inside; stamens 5, scarcely exserted; filaments glabrous, shorter than the corolla lobes; anthers pale-brown, more or less orbicular in outline; ovary elliptic-globose, densely tomentose, 0.6-0.8 mm diam.; style somewhat included or scarcely exserted, deeply 2-branched, 2.5-2.8 mm long (including the lobes), tomentose on the individual part; lobes glabrous.

Fruit obovoid-globose, 3-3.3 mm diam., shortly tomentose, usually 1-seeded.

Distribution:  S.Aust.: NW, LE.

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

Author: Not yet available


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