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Details for: Luzula atrata

Search restricted to Kirschner, J. et al. 2002, Species Plantarum: Flora of the World Part 6-8.   Check for other Sources using this name

Source: Kirschner, J. et al. 2002, Species Plantarum: Flora of the World Part 6-8. [IOPI preferred view]

Name: Luzula atrata Edgar
Nomencl. ref. New Zealand J. Bot. vol. 13, 794. 1975.
Rank: Species
Status: ACCEPTED
Taxonomy (this taxon is included in): Familia - Juncaceae
    Genus - Luzula DC.
        Subgenus - Luzula subgen. Luzula DC.
            Sectio - Luzula sect. Luzula
                
 
Description: Perennials, 12–20 (–30) cm tall, slender, loosely caespitose; rhizome creeping-ascending; stolons short. Basal leaves canaliculate, often involute, to c. 9 cm long, narrow, c. 1.5–2.0 (–2.5) mm wide; cauline leaves 1 (–2), to c. 3 cm long; margins subglabrous, ±swollen, sparsely papillose-serrulate; apex obtuse. Lower bract subherbaceous, erecto-patent, 0.8–1.5 cm long; margins distinctly papillose-serrulate; apex acute, ±equalling inflorescence. Inflorescence a single dark head 0.7–1.0 cm in diam., of 1–4 indistinct sessile clusters. Bracteoles ovate, scarious with dark brown base, c. 1.0–1.5 mm long, sparsely fimbriate. Tepals ±equal, narrowly lanceolate, acuminate, (2.2–) 2.4–2.6 (–2.8) mm long, blackish-brown; margins indistinct or narrow and paler brown; apex often paler. Stamens 6; anthers (0.4–) 0.5–0.7 mm long; filaments 0.6–0.8 mm long; style c. 0.2 mm long; stigmas 1.0–1.5 mm long. Capsule oblong-ellipsoid, acute, subequalling perianth, ±blackish brown, distally papillose; capsule segments 2.2–2.3 × 1.1–1.2 mm. Seeds ellipsoid, dark brown, 1.0–1.1 mm long, c. 0.6 mm wide; appendage c. 0.2 mm long, fibrillate.
Geography: Mountain areas of New South Wales, Victoria and Tasmania, rare. Wet alpine areas near margins of bogs and fens, along streams, scree. Map 140., 50. NEW SOUTH WALES: Kosciusko District, Mt Stilwell, 18 Jan 1951, L.A.S.Johnson & E.F.Constable 19611 (K); Mt Kosciusko, summit area, 2100–2200 m, 10 Mar 1949, C.J.F.Skottsberg 100 (S); Kosciusko Natl Park, S of Mt Clarke, M.D.Tindale 4061 & D.J.Wimbush (CANB, NSW, PERTH); head of Blue Lake, Kosciusko Natl Park, 1920 m, J.Thompson 2555 (NSW); S of Mt Clarke on the flats, Kosciusko Natl Park, M.D.Tindale 4061 & D.J.Wimbush (CANB, NSW, PERTH); Kiandra plots, D.J.Wimbush KOS270 (NSW). VICTORIA: Bogong High Plains, Cope Ck, 1.25 km N of Mt Cope, H. van Rees 274 (MEL). TASMANIA: Cradle Mt, horse track to plateau, W.M.Curtis 987 (HO).
Note in illustration: Illustrations: A.B.Costin et al., Kosciusko Alpine Fl. fig. 130 (1979); G.J.Harden (ed.), Fl. New South Wales 4: 293 (1993).
Notes: Similar to L. acutifolia but bracts shorter, habit loosely tufted, leaf tip obtuse and capsule top papillose.
SourceHigherTaxon from IOPI: Juncaceae
Taxon number in Juncaceae SP treatment : 92.
TDWG Distribution Code: 50: NSW, TAS, VIC.
Type:T: New South Wales, Mt Kosciusko, just below summit, 10 Feb 1966, M.Gray 5905; holo: CANB165565; iso: CHR150268, n.v.
Distribution table:
Australasia Australia New South Wales
Tasmania
Victoria



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This page last updated: Dienstag, 21. August 2007
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