Polyscias macgillivrayi Harms

Species

Angiosperms > Apiales > Araliaceae > Polyscias

Characteristics

Glabrous shrub or small tree, up to 15 m, with few branches bearing terminal clusters of large leaves. Leaves imparipinnate, up to 1 m (or more) long, uppermost leaves smaller; petiole c. 15 cm, with a sheathing base extending for 6-10 cm along the petiole; petiolules c. 10-15 mm; lamina oblong often broader near the base (lower and the terminal pinnules more ovate) c. 20-25 by 8-10 cm, slightly succulent when fresh, margin entire, revolute or occasionally minutely dentate, apex rounded and shortly apiculate, base rounded, truncate or sub-cordate, midrib and widely spaced laterals prominent. Inflorescence a large panicle; primary axis stout, rather short (c. 3-10 cm), often bearing reduced leaves or cataphylls basally, and a few lateral inflorescence branches, terminating in an umbel of long diffusely branched rays; lateral branches and rays c. 40-50 cm, with secondary branches c. 6-12 cm borne singly or in sub verticils along their length; secondary branches with numerous tertiary branches bearing lateral and terminal umbellules (or the branching may be of a high order); umbellules with c. 6-12 flowers on delicate pedicels c. 3 mm long. Calyx a minute rim. Petals 5, 2.5 mm long. Stamens 5, anthers oblong 1.5 mm long, filaments delicate, 1.5 mm long. Ovary turbinate in bud, 1.5 mm long, rapidly becoming rotund, compressed with prominent veins, 2-celled; styles 2, divergent. Fruit fleshy, black, compressed, c. 5 by 6 mm; styles persistent, recurved.
More
A tall shrub. It grows 4-7 m high and spreads 2-4 m wide. Young growth is smooth. There is usually a single trunk. The bark is grey. There are only a few branches and they are spreading. The leaves are divided along the stalk. The leaves are 1 m long. The leaflets are 20-25 cm long by 8-10 cm wide. They are oblong and often broadest near the base. They are green and often rolled downwards. The flowers are 0.5 cm across. They form loose open groups. The fruit is about 0.8 cm across and flattened.
Life form perennial
Growth form tree
Growth support -
Foliage retention evergreen
Sexuality -
Pollination -
Spread -
Mature width (meter) 2.0 - 4.0
Mature height (meter) 5.0 - 7.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

A tropical plant. It grows in rainforest. It needs well drained soil. It often grows just behind the mangrove along the coast. It grows from sea level to 200 m above sea level.
More
Rainforests. Coastal vegetation and coastal forests, often behind mangrove swamps.
Strand vegetation and littoral rain-forest, often behind mangrove.
Light 4-9
Soil humidity 3-7
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-12

Usage

Uses food
Edible leaves
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

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

Distribution

Polyscias macgillivrayi world distribution map, present in Australia, Micronesia (Federated States of), Papua New Guinea, Solomon Islands, and United States of America

Conservation status

Polyscias macgillivrayi threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:847355-1
WFO ID wfo-0000280090
COL ID 4LLTP
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Nothopanax macgillivrayi Tieghemopanax macgillivrayi Polyscias grandifolia Polyscias macgillivrayi Panax macgillivrayi