Hibiscus caesius Garcke

Species

Angiosperms > Malvales > Malvaceae > Hibiscus

Characteristics

A small herb which grows each year from seed. It has a few erect stems. It grows 0.5-1.5 m high and spreads 0.5-1 m wide. The stems are smooth. The leaves are 3-7 cm long by 3-5 cm wide. They are divided into 5-7 sword shaped lobes. These are 2.5-7 cm long. They are dark green. There are teeth along the edge. The flowers are 6-8 cm across and yellow with a red blotch in the centre. The flowers occur singly in the axils of the upper leaves. The fruit is a capsule 2-2.5 cm long by 2 cm wide. It is round and hairy. The seeds are smooth.
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Leaf digitately 3–5-foliolate or palmatisect; leaflets 2–10 × 1–3 cm., with sparse 2–3-pronged hairs mainly on the lower surface, apex acute, margin serrate, base cuneate; petiole up to 8 cm. long, pilose or setose-pilose; stipules 10–12 mm. long, linear to filiform.
Flowers up to 10 cm. in diam., yellow or cream with purple or reddish-brown centre, solitary, axillary; peduncle up to 12 cm. long, sparsely setose, articulated near the apex.
Calyx up to 3 cm. long; lobes up to 3 × 1 cm., ovate-lanceolate, acute to acuminate, 3–5-nerved, free almost to the base, sparsely pubescent on the margins.
Shrub, up to 2 m high. Epicalyx bracts 7-9, rigid and pungent. Seeds glabrescent. Flowers yellow or cream with purple or reddish brown centre.
Style projecting 1·5 mm. above the apex of the staminal tube before branching; branches 2 mm. long.
Seeds 5 × 3·5 mm., lune-shaped, very minutely scaly, with a few scattered hairs, ± glabrescent.
Epicalyx of 7–9 bracts; bracts 1·5–3·5 cm. long, stiff, pungent, slightly joined at the base.
Shrub up to 2 m. tall, sometimes subscandent; stems glabrous or sparsely setose.
Petals up to 5 × 4 cm., obovate, very sparsely setose or glabrous.
Staminal tube 15 mm. long; free parts of filaments 1·5–2 mm. long.
Capsule c. 15 × 13 mm., ovoid, sparsely setose.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 0.5 - 1.0
Mature height (meter) 1.0 - 2.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

It is a tropical plant. It grows in northern Australia. It grows on heavy soils along stream banks. It needs an open sunny position and well drained soil.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-12

Usage

The young buds are eaten raw.
Uses animal food medicinal
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Plants are grown from seed.
Mode seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment soaking
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Hibiscus caesius unspecified picture

Distribution

Hibiscus caesius world distribution map, present in Afghanistan, Angola, Australia, Botswana, India, Mozambique, Namibia, Pakistan, Somalia, South Africa, Zambia, and Zimbabwe

Identifiers

LSID urn:lsid:ipni.org:names:560049-1
WFO ID wfo-0000722382
COL ID 3LJJW
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Hibiscus adscendens Hibiscus caesius Hibiscus gibsonii Hibiscus pentaphyllus