Bowenia spectabilis Hook.

Species

Gymnosperms > Cycadales > Zamiaceae > Bowenia

Characteristics

Stem elongate, to 10 cm diam., with an elongate tuberous tap root, and 1–5 short, slender, leaf-and cone-bearing branches. Leaves 1–7 in the crown, erect, with 4–10 spreading branches (pinnae), 100–200 cm long, to 100 cm broad; petiole to 100 cm long. Pinnules 7–30 on each pinna, obliquely lanceolate, decurrent at base, 7–15 cm long, 1.5–4 cm broad, entire or a few with occasional coarse lacerations, rarely, regularly shortly serrate. Pollen cones stalked, ovoid, to 5 cm long, 2.5 cm diam.; sporophylls broadly cuneate, distally dilated and truncate. Female cones sessile, ovoid to globose, to 10 cm long, 10 cm diam.; sporophylls in about 8 ranks; expanded ends ±hexagonal, 30–55 mm wide, c. 15 mm tall. Seeds to 32 mm long, 18 mm wide.
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A small cycad. It is a palm like plant. It grows 1.5 m tall and spreads 1.5 m wide. It has an underground trunk. This is carrot shaped and 12 cm across. The tap root forms a tuber. The leaves are feather-like and arch over. They are 1 m long. The leaves are twice divided. The leaflets are leathery and oval. The edges of the leaves are smooth. Plants are separately male and female. Male cones are oblong and female cones are round. Male cones are 3-6 cm long by 2-3 cm wide. Female cones are 10-12 cm long by 7-10 cm wide. They are barrel shaped and brownish-green. They occur in groups at ground level. The seeds are 2.5-3.5 cm long by 1.5-2 cm wide. They are oblong and cream or pink or purple.
Life form perennial
Growth form
Growth support free-standing
Foliage retention evergreen
Sexuality dioecy
Pollination entomogamy
Spread -
Mature width (meter) 1.5
Mature height (meter) 1.25 - 1.75
Root system tap-root
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer nostocaceae
Photosynthetic pathway c3

Environment

A tropical plant. It suits tropical and subtropical regions. It grows in the highland rainforests in Queensland in Australia. It requires some shade. It grows to 700 m altitude in tropical Queensland in Australia. It suits hardiness zone 11-12. In the Cairns Botanical Gardens. Melbourne Botanical gardens.
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Scattered in open situations in and around rainforest in north-eastern Queensland; at elevations up to 600 metres. A common understorey plant of the wetter rainforests and their margins at low to moderate elevations.
Grows in open situations in and around rainforest.
Light 4-9
Soil humidity 3-5
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 10-11

Usage

The roots and seeds need treatment before eating.
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Occasionally cultivated as an ornamental.
Uses environmental use medicinal ornamental
Edible rhizomes roots seeds stems tubers
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

It can be grown from seed. It can also be grown by dividing the tuberous stem. Large plants transplant easily.
Mode seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) 1
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Bowenia spectabilis unspecified picture

Distribution

Bowenia spectabilis world distribution map, present in Australia

Conservation status

Bowenia spectabilis threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:296945-1
WFO ID wfo-0000570067
COL ID MS3F
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Bowenia spectabilis