Isopogon longifolius R.Br.

Species

Angiosperms > Proteales > Proteaceae > Isopogon

Characteristics

Shrub to 2.5 m tall. Branchlets pale brown to reddish brown to grey, minutely hairy when young, glabrescent. Leaves simple or deeply divided into 2-3 lobes; petiole not well-defined, to c. 3 cm long; lamina linear to narrowly obovate, flat, to c. 15.5 cm long, mostly glabrous; apex obtuse with a well-defined callous or acute point; leaf base often tapered gradually almost to stem; midrib prominent beneath; longitudinal striations and main veins often clearly visible on both surfaces. Inflorescence globose, terminal, sessile, solitary, to c. 25 mm diam.; involucral bracts few, deltoid, villous; cone scales ±obovate, the base often narrowed, densely villous; apex deciduous, acuminate. Flowers to c. 15 mm long, yellow, silky-villous. Pollen presenter to c. 3.5 mm long, fusiform; basal part glabrous; brush glabrous or minutely papillose in longitudinal lines. Cones globose to ovoid-oblong, to c. 26 mm diam. Nuts ovoid, beaked, to 3-4 mm long, villous.
Life form -
Growth form shrub
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 2.5
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Common on sandstone hills, in shallow loam over laterite with Eucalyptus marginata and Casuarinaceae, in heath in skeletal sandy soil, or in shrubland in sand or sandy clays over laterite.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-11

Usage

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

Cultivation

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

Distribution

Isopogon longifolius world distribution map, present in Australia

Conservation status

Isopogon longifolius threat status: Near Threatened

Identifiers

LSID urn:lsid:ipni.org:names:704584-1
WFO ID wfo-0000732731
COL ID 6MZQM
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Isopogon longifolius Atylus longifolius