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Barleria strigosa

Family

Acanthaceae

Botanical Name

Barleria strigosa Willd.

Willdenow, C.L. von (1800) Species Plantarum Edn. 4 3(1): 379. Type: India.

Common name

Barleria

Weed

*

Stem

Stems swollen immediately above point of leaf attachment. Stems with appressed, light brown simple hairs. Leafy stems with green stripes extending from top of swelling to next node.

Leaves

Leaves up to 13 cm x 6 cm. Interpetiolar ridge could be mistaken for a stipular scar.

Flowers

Flowers in congested axillary spikes, often appearing terminall. Flowers emerging only one or two at a time. Each flower subtended by a single leaf-like bract. Calyx comprising two unequal pairs of segments; the outer pair 18-33 mm long x 7 - 22 mm wide with finely toothed margins, the inner pair narrow with entire margins. Corolla two-lipped, upper comprising four +/- equal lobes, the lower lip undivided. Corolla mauve or bluish-mauve, floral tube white. Carpels partially enclosed by lobed disc. Fertile stamens 4, exserted from floral tube, 2 reduced stamens deep within floral tube. Anthers grey.

Fruit

Capsule somewhat ovoid, acuminate, 1-2 seeds on conspicuous hooks.

Seedlings

Not available.

Distribution and Ecology

An introduced species becoming naturalised in Far North Queensland, especially around Cooktown and Cairns.

CYP

X

NEQ

X

Herb (herbaceous or woody, under 1 m tall)

X

Shrub (woody or herbaceous, 1-6 m tall)

X

RFK Code

4307