Part 6. JUNCACEAE 1: Rostkovia to Luzula - Species Plantarum ...

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36 SPECIES PLANTARUM — FLORA OF THE WORLD (2002) Plants usually up to 55 (–70) cm tall. Basal leaves usually 4–8 (–9) mm wide; apex subobtuse, sharply mucronate; margins ciliate. Inflorescence lax, ±few-flowered; secondary anthelas usually with 15–20 flowers; terminal clusters 1–3-flowered. Outer tepals usually 2.7–3.9 mm long. Anthers usually 1.7–1.9 (–2.3) mm long; filaments 0.2–0.5 mm long; style c. 1.9–2.2 mm long; stigmas 2.2–2.6 mm long. Capsule usually ±equalling or shorter than perianth, oblong-ovoid, usually (2.3–) 2.8–3.0 (–3.3) mm long; mucro (0.2–) 0.7–0.8 mm long. Seeds 1.2–1.9 mm long, c. 0.7 mm wide; appendage c. 0.2 mm long. 2n=12, fide Druskovic, Int. Organ. Pl. Biosyst. Newslett. 24: 14 (1995). South-Central Europe, most frequently in the Alps and N Italy. 11: AUT, GER, SWI. 12: FRA, SPA. 13: ITA, YUC. Found in mountain coniferous woodlands, in tall-grass vegetation near timberline. Map 30. 11. AUSTRIA: Karnische Alpen, Kleiner Pal, c. 1800 m, L.Kirschnerová 4-989 (PRA); Tyrol, Luttach, Schönberg, 1 Jul 1896, Treffer (PR); Tyrol, Brenner, 1500–1600 m, R.Huter (PR, WU). SWITZERLAND: Graubünden, Versam, Maiensäss Fahn, 1200 m, L.Meisser [J.Braun-Blanquet, Fl. Raet. Exs.] 421 (PR). 13. ITALY: Etruria, Grosseto, Mt Amiata, 800–1200 m, A.Fiori & A.Béguinot [Fl. Ital. Exs.] 2629 (WU). Occasional intermediates exist in regions of contact with subsp. sylvatica and in marginal parts of the range, (for instance in the E Pyrenees). Presumed Hybrids Luzula ×hermannii-muelleri Asch. & Graebn., Syn. Mitteleur. Fl. 2(2): 507 (1904) = Luzula luzuloides (Lam.) Dandy & E.Willm. × L. sylvatica (Huds.) Gaudin T: [Germany] Westfalen, Arnsberger Wald südlich von Drüggelte, H.Mueller; syn: n.v. A rather doubtful hybrid requiring further study. Luzula ×favratii K.Richt., Pl. Eur. 1: 185 (1890) = Luzula luzuloides (Lam.) Dandy & E.Willm × L. nivea (Nathh.) DC. T: [Switzerland] Bois de Sauvabelin, Lausanne, L.Favrat; syn: W. Luzula × schultzorum Dalla Torre & Sarnth., Farn- u. Blütenpfl. Tirol. 1: 434 (1906). T: [Austria] 'B, Ratzes'; syn: n.v. A rare hybrid ±intermediate between the parents; known from Austria and Switzerland. It requires further study. Luzula ×levieri Asch. & Graebn., Syn. Mitteleur. Fl. 2(2): 509 (1904) = L. nivea (Nathh.) DC. × Luzula pedemontana Boiss. & Reut. T: [Italy] in den Etrurischen Apenninen, im Walde Della Fornace bei Boscolungo, E.Levier; syn: n.v. A rather doubtful hybrid requiring a field investigation. Luzula ×lepetitiana Beyer, Verh. Bot. Vereins Prov. Brandeburg 41: xiv (1900) = Luzula pedemontana Boiss. & Reut. × L. sylvatica (Huds.) Gaudin T: [N Italy] Borgone, Sangone, am nordöstlichen Abhange des Mte. Salancia, R.Beyer; holo: n.v. Luzula ×hasleri Murr, Magyar Bot. Lapok 28: 68 (1930) = Luzula alpinopilosa (Chaix) Breistr. × L. sylvatica subsp. sieberi (Tausch) K.Richt. T: Liechtenstein, Heupiel (Heubühl), 1867 m, 2 Aug 1921, J.Murr; syn: n.v. Material not seen. The existence of the hybrid is rather doubtful.
JUNCACEAE (Luzula) Luzula ×johannis-principis Murr, Liechtenst. Volksblatt, 1921, no 49 [21 Jun 1921] = Luzula sylvatica subsp. sieberi (Tausch) K.Richt. × L. alpina Hoppe T: Liechtenstein, Rojaberg, 1630 m, J.Murr; syn: K, S, W. Numerous specimens from the type locality represent ±sterile plants, partly referable to L. multiflora, partly of an appearance intermediate between the presumed parents. Further study is needed. Luzula ×pfaffii Murr, Allg. Bot. Z. Syst. 1910: 118 (1910) = Luzula lutea (All.) DC. × L. luzuloides subsp. rubella (Mert. & W.D.J.Koch) Holub T: [Italy] Bozen, Ritterhorn, 2260 m, 4 Sep 1909, W.Pfaff; syn: n.v. A rather doubtful hybrid; further study is needed. Luzula ×bornmuelleriana Kük., Mitth. Thüring. Bot. Vereins 23: 90 (1908) = Luzula alpinopilosa × L. lutea T: [Austria] Tirol, Pitztal, Mittelberg, Taschachbach, 2000 m, G.Kükenthal; syn: n.v. Another very improbable hybrid, Luzula pilosa (L.) Willd. × L. sylvatica (Huds.) Gaudin, has been reported under an invalid name, L. × buchenaui P.Fourn., Quatre Fl. France 154 (1935). Sect. 2. ATLANTICAE Luzula sect. Atlanticae Kirschner, Taxon 50: 1107 (2001) T: Luzula atlantica Braun.-Blanq. Perennials with short ascending rhizomes. Leaf tip acute. Lower bract subherbaceous, usually ±membranous, shorter than inflorescence. Inflorescence racemose, decompound, with 3–8 thin primary branches; secondary branches rare; flower heads subglobose, (1–) 2–7-flowered. Tepals membranous, mucronate, with a castaneous midrib. Style very short. Seeds subglobular, smooth; appendage indistinct. 2n=12. A monotypic section restricted to the mountains of Morocco. 11. Luzula atlantica Braun-Blanq., Vierteljahrsschr. Naturf. Ges. Zürich 73, Suppl. 15: 347 (1928) T: Morocco, Great Atlas, Zerekten, 1500–2000 m, J.Braun-Blanquet; holo: MPU, n.v. [In the Braun-Blanquet herbarium, MPU, no specimen with the above locality was located. The plant photographed in the protologue, deposited in MPU and labeled 'Gourdouze, 2000 m' thus may be a good candidate for a lectotype.] Illustrations: J.Braun-Blanquet, Vierteljahrsschr. Naturf. Ges. Zürich 73, Suppl. 15: fig. 7, 356 (1928); R.Maire & Weiller, Fl. Afr. Nord 4: 308, fig. 729 (1957). Map: H.Meusel, E.Jäger & E.Weinert, Vergl. Chorol. Zentraleur. Fl. 1: 87 (1965). Perennials 10–30 (–35) cm tall, caespitose, ciliate; rhizome short, vertical to oblique, sometimes many-headed; stolons absent. Basal leaves usually 4–10 (–14) cm long, 2–4 (–5) mm wide; cauline leaves 1 (–2), usually 2–5 cm long. All leaves with long acuminate tip; margins papillose-serrulate. Lower bract ±herbaceous, sometimes ±membranous, shorter than inflorescence. Inflorescence decompound; main branches 3–8, smooth or sparsely papillose below clusters, thin, c. 0.2 mm in diam., often flexuose, patent to erect; secondary branches rare, with each branch bearing loose terminal (1–) 2–7-flowered glomeruliform clusters 4–5 mm in diam. Bracteoles ovate-lanceolate, subaristate, glabrous to sparsely ciliate, 1.5–2.0 mm long, membranous-scarious; midrib often castaneous-brown. Tepals ±equal, glabrous, entire or the inner ones minutely denticulate below apex, lanceolate to ovate-lanceolate, often almost entirely membranous with dark castaneous-brown midrib and short mucro, sometimes castaneous-brown with broad membranous margins, 1.9–2.6 mm long. Stamens 6; anthers c. 0.4 mm long, much shorter than filaments; filaments 0.8–0.9 mm long; style c. 0.2 mm 37
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Page 3 and 4: CONTENTS Contributors iv Species Pl
Page 5 and 6: Species Plantarum Steering Committe
Page 7: PREFACE This volume is the first of
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