Rhopalostylis sapida H.Wendl. & Drude

Nikau palm (en)

Species

Angiosperms > Arecales > Arecaceae > Rhopalostylis

Characteristics

Trunk to c. 10 m. × 25 cm., green between rather closely spaced lf-scars; crownshaft to 60 cm. long, smooth and green, slightly bulging. Lf to 3 m. long; lflts to 1 m. long, closely set and ascending sharply. Spathes c. 30 × 15 cm., between pink and yellow, smooth, falling as first fls open. Ultimate branches of infl. to c. 20–(30) cm. long, c. 1.5 cm. diam. with buds on, at first pale cream-coloured; fl.-buds tightly packed, lilac. Fr. c. 10 × 7 mm., elliptic-oblong, brick-red. Seed long-oval, tightly invested in smooth, whitish endocarp which is marked by mainly longitudinal vascular strands; hilum broad at chalazal end, tapering to a narrow groove beside the micropyle.
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An upright palm with bulging crown-shaft. It can be 8-12 m high. The trunk is 10 cm across. It is ringed with the scars of fallen leaves. The crown has 12-16 straight erect leaves. There is a crown-shaft 30 cm long. The leaves and leaflets are stiff and upright. This gives the palm a "feather duster" like appearance. The leaves are 1.5-2 m long. The midrib of the leaf is often slightly twisted. The flower stalk grows below the crown-shaft. It is 25-40 cm long. The flowers are purple to red. The fruit are bright red when ripe. They are 8-12 mm long and 7-8 mm wide.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality -
Pollination -
Spread -
Mature width (meter) 1.3 - 2.05
Mature height (meter) 8.0 - 12.0
Root system -
Rooting depth (meter) -
Root diameter (meter) 0.5
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

It is a warm temperate plant. They grow in moist forests in New Zealand. It grows naturally as far south as 44°S. It can only tolerate light frosts. They will grow in cool climates. It grows from the coast to 700 m altitude. Young palms need protection from the sun for the first 4-5 years. It suits hardiness zones 9-11. In Hobart Botanical Gardens.
Light 4-6
Soil humidity 3-7
Soil texture -
Soil acidity 2-8
Soil nutriment -
Hardiness (USDA) 9-11

Usage

The young unopened flower is cooked and eaten. The palm heart is eaten.
Uses environmental use material medicinal
Edible flowers fruits saps
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

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

Images

Rhopalostylis sapida unspecified picture
Rhopalostylis sapida unspecified picture

Distribution

Rhopalostylis sapida world distribution map, present in New Zealand

Identifiers

LSID urn:lsid:ipni.org:names:669611-1
WFO ID wfo-0000296514
COL ID 4SLXC
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Areca sapida Rhopalostylis sapida Kentia sapida Eora sapida