On 1 July 2025, NIWA merged with GNS Science to become Earth Sciences New Zealand.

Capsule slopes to a top with a sharp tip; plant varies from lax to upright

Trevor James, AgResearch

Right: flower heads are on stems which branch at much less than 90°. Tepals are acute, without a hood, and capsules are brown to black. Juncus articulatus. [PDF 393 KB]