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Stellaria angustifolia subsp. rotundisepala C.H.Mill. & J.G.West
Family Caryophyllaceae
Stellaria angustifolia subsp. rotundisepala C.H.Mill. & J.G.West APNI*

Description: Annual, slender, erect, usually single stemmed, 6–25 cm long, glabrous.

Stem and inflorescence leaves a continuous series, sessile, obovate or linear or ovate or narrower, 3.5–13 mm long, acute to subacute, rarely obtuse.

Inflorescence axillary and solitary or an interrupted monochasium of 2–3 flowers. Pedicels 22–40 mm long, slender, erect in fruit. Sepals round to broad-elliptic, 1.5–2.1 mm long, obtuse, apex folded over to form a hood, sometimes with hood thickened. Petals 2.4–3 mm long, longer than sepals. Stamens 10.

Capsule ellipsoid to ovoid, 2.9–4.6 mm long, 1.8––3.1 mm wide, from 2 to 4 times longer than sepals. Seeds mainly 2–5, suborbicular, mid brown to reddish brown to purplish, tubercles very narrow rounded projections totally covering the seed, giving a spiny appearance.

Distribution and occurrence: Restricted to high altitudes around the source of the Murray and Tuross Rivers in Kosciuszko National Park in New South Wales and Timbarra River in East Gippsland, Victoria.

In wet bogs with mixed herbfields.
NSW subdivisions: ST
Other Australian states: Vic.
AVH map***

Text by KL Wilson (Nov 2012); L. Murray
Taxon concept: Miller, C.H. & West, J.G. (2012) J. Adelaide Bot. Gard. 25: 39

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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