Gyrostemon ramulosus Desf.

Species

Angiosperms > Brassicales > Gyrostemonaceae > Gyrostemon

Characteristics

Shrub or small tree to 5 m, usually with a bushy crown. Trunk stout, with corky bark. Branchlets smooth. Leaves filiform-terete, acute, 2–7 cm long, soft, pale green; stipules narrow, less than 0.5 mm long, golden orange or brown. Flowers solitary, axillary. Male flowers: pedicels 3–7 mm long, recurved; calyx 1–2 mm long, divided to ¼–½ into obtuse lobes with scarious margins; stamens 40–100 in 4–7 rows, sometimes less. Female flowers: pedicels 5–7 mm long, rarely shorter, reflexed or spreading; calyx 1.5 mm long, divided to ½ into obtuse lobes with scarious margins; carpels 17–33; stigmas 1.5–2 mm long, slender, ±papillose, shortly united; disc corona-like. Fruiting carpels obovate to semi-circular, 4–6 mm long, the keel not hardened; seed almost horizontal or oblique, oblong, 1.5 mm long, rugose; aril small.
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A medium sized shrub. It grows 3-5 m high and spreads 1-3 m wide. The crown is bushy. The bark is thick and corky. The leaves are 2-7 cm long by 0.1 cm wide. They are soft, light green and often wavy. Flowers occur singly in the axils of leaves. The male flowers are 0.6 cm across and have 40-100 stamens in 4-7 rows. The female flowers are 0.5 cm across. They are 17-33 carpels. The fruit are 0.8 cm across.
Life form annual
Growth form
Growth support free-standing
Foliage retention evergreen
Sexuality dioecy
Pollination -
Spread -
Mature width (meter) 1.0 - 3.0
Mature height (meter) 3.0 - 5.0
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Nitrogen fixer -
Photosynthetic pathway -

Environment

Grows oncoastal dunes, sandy rises and desert dunes, in shrubland and low woodland;rarely by granite outcrops.
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It grows on sand dunes near the coast and sand ridges inland.
Light -
Soil humidity -
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Hardiness (USDA) 8-12

Usage

CAUTION The plant is probably poisonous.
Uses material poison
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
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Images

Gyrostemon ramulosus unspecified picture

Distribution

Gyrostemon ramulosus world distribution map, present in Australia

Conservation status

Gyrostemon ramulosus threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:676237-1
WFO ID wfo-0000713922
COL ID 6L8W3
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Gyrostemon oligogynus Gyrostemon ramulosus