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Eriocaulon carsonii F.Muell.
Family Eriocaulaceae
Eriocaulon carsonii F.Muell. APNI*

Description: Small tufted herb, 5–6 cm high.

Leaves 1.5–6 cm long, 3–10 mm wide, striate.

Inflorescence globose, 3–4 mm diam., a mixture of male and female flowers. Scape 1–9 cm long. Bracts glabrous; outer bracts obovate, concave; inner bracts obovate. Male flowers stipitate; outer tepals 3, one spathulate, others oblong-spathulate, scarious; inner tepals fused into an obconical tube, 3-lobed, tube much longer than lobes, lobes minute with a few white hairs towards apex, each appressed to stamens; stamens mostly 6. Female flowers with 2 outer, broad, ± boat-shaped perianth lobes; inner perianth 3-lobed, lobes narrow-ovate, almost flat, white with dark brown marking towards apex, inserted slightly more apically on floral axis with a few white hairs towards apex; ovary sessile.

Seeds 0.6–0.8 mm long, smooth or with slightly transversely elongated outline of epidermal cells faintly visible at maturity.

Flowering: March–June.

Distribution and occurrence: Grows in running water, associated with mound springs; west from Tilpa district, very rare. Also in Qld and SA.
NSW subdivisions: NFWP
Other Australian states: S.A. Qld
Threatened species: NSW BCA: Endangered; Commonwealth EPBC: Endangered
AVH map***

Text by B.J. Conn (1993); edited KL Wilson (Aug 2013, Sept 2021)
Taxon concept: Flora of NSW 4 (1993)

One subspecies in NSW: Eriocaulon carsonii subsp. carsonii

APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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