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Hibiscus forsteri

Family

Malvaceae

Botanical Name

Hibiscus forsteri F.D.Wilson

Wilson, F.D. (1995) Austrobaileya 4: 439. Type: Queensland. Cook District: 6.8 km from Bromley, 16 July 1990, J. R. Clarkson 8866 & V. J. Neldner (holo: CANB; iso: BRI, DNA, K, L, MBA, NY).

Stem

Flowers and fruits as a shrub about 1-3 m tall.

Leaves

Leaf blades about 9-14 x 4.5-8.5 cm. petioles about 2-4 cm long. Stipules filiform, about 5-6 mm long. Both the upper and lower surfaces of the leaf blade, petioles and twigs clothed in stellate hairs. About five veins radiate from the base of the leaf blade. Twig bark strong and fibrous when stripped.

Flowers

Flowers about 12 mm diam. Pedicels about 8-10 mm long. Epicalyx segments about ten, linear, each about 15-18 mm long. Calyx about 20-25 mm long, outer surface clothed in stellate hairs. Petals about 6-7 cm long. Corolla with a wine red centre. Staminal column about 30 mm long. Ovary clothed in long hairs.

Fruit

Capsules about 19-30 mm long, densely pubescent. Seeds about 4 mm long. Testa brown, covered in small honey-coloured warts. Endosperm scanty.

Seedlings

Cotyledons suborbicular, hairy, about 10-16 x 11-17 mm, petioles variable, sometimes longer than the cotyledons. First pair of leaves with toothed margins, leaf blades about 15-16 x 11-13 mm, petioles slightly shorter than the leaf blades, usually about 10-14 mm long. At the tenth leaf stage: both the upper and lower surfaces of the leaf blade, petiole and stem clothed in stellate hairs. Stipules linear, about 5-8 mm long, hairy. Tap root cream, swollen, carrot-like (Daucus carota).

Distribution and Ecology

Occurs in CYP and NEQ. Altitudinal range from near sea level to 300 m ? Usually grows in open eucalypt forest but sometimes found on the margins of monsoon forest and vine thickets.

Natural History

This large flowered shrub has potential for tropical gardens but is probably short lived.

CYP

X

NEQ

X

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

X

RFK Code

3323