Pterocaulon niveum Cabrera & Ragonese

Species

Angiosperms > Asterales > Asteraceae > Pterocaulon

Characteristics

Shrub 40–100 cm high; branches diverging at 0–70º; stem wings entire, 0.5–1.5 (–2.5) mm wide. Leaves elliptic or obovate, 39–70 mm long, 21–38 mm wide, 2.1–2.6 times longer than wide; glandular hairs absent; upper surface moderately bullate; lanate hairs very dense on both surfaces. Inflorescences globose to globose-truncate, 10–15 mm long, 10–15 mm wide at anthesis, 0.7–1.1 times longer than wide, sometimes sessile and apparently axillary; peduncles 0–8 mm long. Longest inner bracts 4.5–5.4 mm long; many cilia visible. Female florets 11–17; corolla 3.0–3.7 mm long. Hermaphrodite floret solitary; corolla 3.3–4.0 mm long; corolla lobes 0.7–1.1 mm long, with globose sessile glands present and 2–8 eglandular trichomes per lobe. Achenes 0.9–1.0 mm long, with 25–50 or more twin hairs. Pappus 2.0–3.1 mm long.
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Growth form shrub
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Sexuality hermaphrodite
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Mature height (meter) 0.4 - 1.0
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Environment

Grows on sandstone, quartzite or limestone substrates.
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Hardiness (USDA) 8-12

Usage

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Cultivation

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Distribution

Pterocaulon niveum world distribution map, present in Australia

Identifiers

LSID urn:lsid:ipni.org:names:85359-3
WFO ID wfo-0000114767
COL ID 4PVMQ
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Pterocaulon niveum