Plants of Muizenberg Park

Juncus lomatophyllus

Leafy rush · fringe-leaved rush · aalwynbiesie

JuncaceaePermanent-wetland perennialTough stream plant
VEGETATION TYPES AND HABITAT
Cape Lowland Freshwater Wetlands
Peninsula Sandstone Fynbos
Permanently moist stream banks, seepages and shallow freshwater margins.
Uncropped Juncus lomatophyllus showing broad leaves and branched fruiting stems
Broad leaves and fruiting stems · SAplants · Kirstenbosch, 8 December 2007 · Wikimedia Commons · CC BY-SA 4.0 · Full photograph

A broad-leaved rush made for permanently wet ground

Juncus lomatophyllus is an unusual rush with broad, flat, soft leaves rather than the wiry, cylindrical foliage associated with many familiar species. Its basal rosettes carry blades about 6–15 mm wide, tapering to fine points. The leaves are green, sometimes tinged red along the margins or tips, with reddish sheaths at their bases.

Flowering stems usually reach 15–75 cm and rise above the leaves. Their spreading branches carry small clusters of brown flowers, most noticeable in summer. Each flower has six dry, scale-like segments rather than showy petals. Dark capsules mature among these pointed coverings, making the fruiting heads particularly attractive when viewed closely.

Leafy shoots attached to creeping stems allow a plant to expand into substantial clumps or low swards. This vegetative growth makes division straightforward and explains how surviving plants can supply material for restoration. Where space is limited, vigorous growth also means that neighbouring, slower-growing wetland plants may need room kept around them.

It grows beside freshwater streams, in marshes and seepages, and around pools where moisture remains dependable. CapeNature describes it forming a distinct zone around water margins. Bolus Herbarium records from Table Mountain, Skeleton Ravine and Grootkop link it to the Peninsula’s mountain landscape, including wet watercourses within sandstone fynbos. It is a plant of the wet pockets, not the dry shrubland between them.

Indigenous to southern Africa from Zimbabwe southwards, it is assessed as Least Concern. Its broad foliage adds a different texture among fine-leaved sedges and rushes, while dense waterside growth provides shelter for small organisms.

A name with history: Kurt Sprengel published Juncus lomatophyllus in 1821. Juncus is the Latin name for a rush. The complete Kew specimen below bears an 1806 collection label, preserving its broad leaves and branched flowerheads.

FloweringMainly spring–summer
HeightUsually 15–75 cm
ConservationLeast Concern

Sources: CapeNature; morphology: New Zealand Plant Conservation Network; native range, accepted name, publication date and IUCN Least Concern category: Kew Plants of the World Online; cultivation: Random Harvest Nursery. Local habitat evidence: Bolus Herbarium, BOL94973 (Table Mountain, 1932), BOL140045 (Skeleton Ravine, 1931), BOL0220805 (Skeleton Ravine) and BOL0220806 (Grootkop, 914 m). Sandstone association is a geographical interpretation of the mountain records; the species occupies wet margins within the surrounding landscape. All four agreed Park vegetation categories were checked. Freshwater wetlands and sandstone watercourses have the clearest support; no sufficiently precise local association was located to confidently add Peninsula Granite Fynbos or Cape Flats Dune Strandveld. Habitat order reflects ecological relevance, not measured abundance. Park survival, propagation, planting throughout the wetlands and tolerance of disturbance follow the user’s account. Photographs: SAplants, Kirstenbosch, 8 December 2007, overview and detail, CC BY-SA 4.0; overview shown uncropped, detail cropped by the display frame. Historical specimen K000298299, with an 1806 label, © Board of Trustees of the Royal Botanic Gardens, Kew, CC BY 3.0. No suitable early botanical drawing was located; the complete historical herbarium sheet is used instead. Photographs and QR embedded for offline viewing. Information reviewed October 2026.