Eriocaulon odontospermum G.J.Leach

Species

Angiosperms > Poales > Eriocaulaceae > Eriocaulon

Characteristics

Herb 6.5–26 cm high. Leaves linear, 2–14 cm long, 0.15–0.7 cm wide, 6–12–nerved. Peduncle 6.5–26 cm long, with 4–6 ribs. Sheath 20–60 mm long. Flower heads depressed globular, 2.5–4.5 mm long, 4–6 mm wide. Involucral bracts straw-yellow, obovate to elliptic, 1.25–2.2 mm long, 0.5–1.2 mm wide, obtuse, glabrous, strongly reflexed at maturity. Floral bracts black, spathulate, 1.25–2 mm long, 0.4–0.9 mm wide, acute or mucronate, densely pubescent with white hairs on margin and apex. Receptacle densely pilose, conical. Male flowers 1.1–1.6 mm long; sepals 3, fused but split on one side to form a spathe which is often 3-lobed, black, 1.1–1.6 mm long, 0.45–0.65 mm wide, obtuse, pubescent with apical fringe of white hairs; petals 3, hyaline, equal, oblong, acute or obtuse, pubescent with apical fringe of white hairs; stamens 6; anthers black. Female flowers: sepals 3, black, equal, navicular and geniculate, lacking dorsal keel or wing, 1–1.5 mm long, 0.16–0.45 mm wide, acute, pubescent with white hairs in apical fringe and along keel or margins; petals 3, hyaline, equal, linear tonarrowly elliptic, 1–1.5 mm long, 0.16–0.23 mm wide, obtuse, pubescent with apical fringe of white hairs and hyaline hairs adaxially and on margins although hyaline hairs sometimes reduced or absent; ovary 3–locular. Seeds 0.3–0.5 mm long, 0.23–0.375 mm wide; epidermal cells transversely elongated, unidirectional peg-like projections on transverse walls.
Life form annual
Growth form herb
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Sexuality monoecy
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Mature height (meter) 0.07 - 0.26
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Environment

Typically in sandstone habitats on perennial water sources but also recorded on limestone; in gorges and often in protected rocky areas but also associated with riparian forest, Melaleuca forest or watercourses in eucalypt woodland.
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Hardiness (USDA) 8-12

Usage

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Edible -
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Cultivation

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Distribution

Eriocaulon odontospermum world distribution map, present in Australia

Identifiers

LSID urn:lsid:ipni.org:names:1017162-1
WFO ID wfo-0000412670
COL ID 3B364
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Eriocaulon odontospermum