Pterocaulon paradoxum A.R.Bean

Species

Angiosperms > Asterales > Asteraceae > Pterocaulon

Characteristics

Shrub 60–120 cm high; branches diverging at 20–50º; stem wings entire, 1.5–4.5 mm wide. Leaves oblanceolate to obovate, 30–65 mm long, 10–20 mm wide, 2.6–4.6 times longer than wide; glandular hairs absent; upper surface moderately bullate; lanate hairs moderately dense to very dense on upper surface, dense to very dense on lower surface. Inflorescences ellipsoid, 14–28 mm long, 12–15 mm wide at anthesis, 1.2–2.1 times longer than wide; peduncles 0–20 mm long. Longest inner bracts 3.5–4.8 mm long; many cilia visible. Female florets 18–24; corolla 2.5–3.4 mm long. Hermaphrodite floret solitary; corolla 2.9–3.7 mm long; corolla lobes 0.5–0.8 mm long, with globose sessile glands present and eglandular trichomes absent. Achenes 0.9–1.2 mm long, with 25–50 or more twin hairs. Pappus 2.5–3.5 mm long.
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Growth form shrub
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Sexuality hermaphrodite
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Mature height (meter) 0.6 - 1.2
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Environment

It inhabits alluvial flats, scree slopes or coastal dunes, where the soils are relatively sandy.
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Hardiness (USDA) 8-12

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Cultivation

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Distribution

Pterocaulon paradoxum world distribution map, present in Australia and Papua New Guinea

Identifiers

LSID urn:lsid:ipni.org:names:77117732-1
WFO ID wfo-0001332476
COL ID 4PVMS
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INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Pterocaulon paradoxum