Isopogon tridens F.Muell.

Species

Angiosperms > Proteales > Proteaceae > Isopogon

Characteristics

Shrub to c. 1.2 m. Branchlets pale reddish brown to greyish brown, slightly pubescent, glabrescent. Leaves simple; petiole not clearly defined; lamina flat, narrowly cuneate, to c. 6.5 cm long, 3-toothed, pungent-pointed, glabrous. Inflorescence depressed-globose, terminal, sessile, solitary, c. 20-30 mm diam.; involucral bracts broadly ovate, imbricate, acuminate, tomentose; cone scales ovate to narrowly ovate, densely tomentose near apex, becoming villous to fulvous at base. Flowers 22-28 mm long, white (once reported as deep purple), glabrous except for a tuft of hairs on apex of each tepal. Pollen presenter to c. 5 mm long; basal part shortly pubescent, swollen, constricted near mid-point then dilated into a globose part; apical part glabrous, scarcely swollen except for stigmatic cup. Cones depressed-globose or depressed-obovate, c. 20 mm diam. Nuts ovoid, beaked, c. 3 mm long, villous.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention
Sexuality hermaphrodite
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Environment

Usually grows in heath or shrubland, in sand or sand over laterite.
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Cultivation

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Images

Isopogon tridens unspecified picture

Distribution

Isopogon tridens world distribution map, present in Australia

Conservation status

Isopogon tridens threat status: Endangered

Identifiers

LSID urn:lsid:ipni.org:names:704605-1
WFO ID wfo-0000732759
COL ID 3QBDL
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Isopogon tridens Atylus tridens Isopogon trilobus var. tridens