Isopogon dubius Druce

Rose-coneflower (en)

Species

Angiosperms > Proteales > Proteaceae > Isopogon

Characteristics

Shrub to c. 1.2 m tall. Branchlets reddish brown; branchlets and young leaves hairy, glabrescent. Leaves often deeply 3-lobed or pinnate; petiole c. 2 cm long; lamina flat, canaliculate, c. 3.5 cm long, rigid; apex pungent-pointed, often recurved. Inflorescence ±globose, terminal or in upper leaf axils, conspicuous, solitary, 40-50 mm diam.; receptacle flattened; involucral bracts numerous, narrowly ovate, acuminate, imbricate, densely hairy at base; hairs becoming more sparse towards apex; cone scales linear, densely hairy. Flowers 25-30 mm long, pink to red-pink, glabrous except for a tuft of hairs at apex of each tepal. Pollen presenter c. 5.5 mm long; basal part slightly swollen, covered with short, reflexed hairs, distinctly constricted near mid-point; brush glabrous, expanded into a minute, stigmatic cup. Cones ±hemispherical, to c. 30 mm diam., surrounded by persistent bracts. Nuts ovoid, beaked, c. 3.5 mm long, villous.
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Growth form shrub
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
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Mature height (meter) 1.2
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Environment

Grows in open woodland in sandy loam, in heath in laterite or on granite.
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Cultivation

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Images

Isopogon dubius unspecified picture

Distribution

Isopogon dubius world distribution map, present in Australia

Conservation status

Isopogon dubius threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:704573-1
WFO ID wfo-0000732712
COL ID 3QBCF
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Petrophile dubia Isopogon dubius Atylus roseus Isopogon roseus