Eucalyptus risdonii Hook.F.

Risdon peppermint gum (en), Eucalyptus de Risdon (fr)

Species

Angiosperms > Myrtales > Myrtaceae > Eucalyptus l'hér.

Characteristics

Shrub, mallee or tree to 8 m. Bark smooth, grey to cream-white, sometimes with grey-pink patches. Juvenile leaves orbicular, ovate or broadly lanceolate, becoming connate, glaucous, often persisting on mature trees. Adult leaves not often seen, lanceolate, acuminate, firm; lamina 6.5–10 cm long, 1.5–2 cm wide, subglaucous or green; lateral veins faint, at 15°–25°; intramarginal vein up to 2 mm from margin; petiole terete, 6–15 mm long. Umbels 7–15-flowered; peduncle terete, 5–25 mm long; pedicels absent or to 3 mm long. Operculum hemispherical to flattened-hemispherical, glaucous, 1–2 mm long, 2–3 mm wide; hypanthium obconical or subpyriform, glaucous, 3–5 mm long, 2–3 mm wide. Fruits hemispherical or subglobular, glaucous, 7–10 mm long, 7–9 mm wide; disc narrow, level or descending; valves usually 4, level or included.
Life form -
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 6.0 - 8.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Grows in almostpure stands, in open shrubland on hill slopes.
Light 7-9
Soil humidity 1-5
Soil texture 3-6
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-8

Usage

Uses material
Edible -
Therapeutic use Anti-bacterial agents (leaf), Antifungal agents (leaf)
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -12
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Eucalyptus risdonii unspecified picture

Distribution

Eucalyptus risdonii world distribution map, present in Australia

Conservation status

Eucalyptus risdonii threat status: Vulnerable

Identifiers

LSID urn:lsid:ipni.org:names:593314-1
WFO ID wfo-0000955800
COL ID 3BQFQ
BDTFX ID 101383
INPN ID 611734
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Eucalyptus risdonii Eucalyptus hypericifolia