Allocasuarina helmsii (Ewart & M.Gordon) L.A.S.Johnson

Species

Angiosperms > Fagales > Casuarinaceae > Allocasuarina

Characteristics

Dioecious shrub, 1-5 m high. Branchlets erect, to 16 cm long; articles 3-7 mm long, 0.7-0.9 mm diam., smooth, glabrous; phyllichnia flat to slightly rounded, often with faint median groove more obvious towards base of article; teeth 5 or 6, erect, 0.3-0.5 mm long, not marcescent. Male spikes 0.5-2.5 cm long, 9-12 whorls per cm; anther 0.5-0.7 mm long. Cone usually long-cylindrical, of smoothish outline and tessellated surface, shortly white-pubescent, sometimes ferruginous-pubescent when young, sessile or on peduncle to 4 mm long; cone body 15-33 mm long, 8-13 mm diam.; bracts inconspicuous; bracteoles thick, body and protuberance not distinguishable, the whole divided into 4-7 obtuse or truncate bodies. Samara 4-5 mm long, mid-brown.
Life form -
Growth form shrub
Growth support free-standing
Foliage retention
Sexuality dioecy
Pollination entomogamy
Spread barochory
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Mature height (meter) 1.0 - 5.0
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Nitrogen fixer frankia
Photosynthetic pathway c3

Environment

Found in mallee woodland and tall heath, in a wide range of soils.
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Hardiness (USDA) 8-11

Usage

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Edible -
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Cultivation

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Images

Allocasuarina helmsii unspecified picture

Distribution

Allocasuarina helmsii world distribution map, present in Australia

Identifiers

LSID urn:lsid:ipni.org:names:909946-1
WFO ID wfo-0000526454
COL ID BVC3
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Casuarina helmsii Casuarina leptotrema Allocasuarina helmsii