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

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SPECIES PLANTARUM — FLORA OF THE WORLD (2002)
Rostkovia novae-zelandiae Buchanan, Trans. & Proc. New Zealand Inst. 4: 227 (1872); Marsippospermum
gracile var. novae-zelandiae (Buchanan) Buchenau, Bot. Jahrb. Syst. 12: 69 (1890). T: New Zealand.
Nelson Mtns, H.H.Travers; syn: K; ‘mountains of Canterbury’ J.F.J. von Haast; syn: K.
Illustrations: J.D.Hooker, Fl. Antarct. 2(1): 83, tab. 47 (1844); F.G.P.Buchenau, in H.G.A.Engler, Pflanzenr.
(iv.36) 25: 35, fig. 28 (1906); L.B.Moore & J.B.Irwin, Oxford Book New Zealand Pl. 199, fig. 2 (1978).
Perennials, densely caespitose; rhizome horizontal, rarely ascending, with internodes very
abbreviated; stems crowded in dense rows, usually 10–30 cm tall; lower cataphylls ovate to
rounded, greyish stramineous, wrinkled, with blade reduced to mucro 0.3–0.7 mm long;
upper cataphylls usually up to 5–6 cm long, obtuse above, straw-brown, rarely reddish
brown, slightly shining to dull, with blade fragile, subulate, usually to 1.5 cm long; shoots
erect, extravaginal. Leaves terete, much exceeding stems, ±rigid, ±striate, bright green,
±shining above, usually 20–35 cm long, 0.6–0.9 mm in diam., acute, ±papillose near apex;
basal leaves 1–3 per shoot; cauline leaves usually single, with long sheath. Bract(eole)
solitary, ovate, obtuse, membranous, 2.0–2.5 mm long. Tepals unequal, erect, entire,
acuminate to subaristate, straw-brown to stramineous, margins ±membranous; outer tepals
usually 1.7–2.7 mm long, inner tepals usually 1.3–1.9 mm long, up to 1.5 mm wide. Stamens 6;
anthers c. 5 mm long, apiculate; filaments c. 1.7–2.0 mm long; connective prominent; mucro
0.7–0.9 mm long; style dark, c. 2.5 mm; stigmas dark, c. 5 mm. Capsule oblong-ellipsoidal,
subacuminate, mucronate, usually 8–10 mm long, pale brown to castaneous brown. Seeds
straw-brown, oblong ellipsoidal, c. 0.9–1.1 × c. 0.6 mm; seed-coat distinct; overall length
2.3–2.7 mm including unequal appendages c. 0.4–0.6 mm and c. 0.8–1.1 mm long. Fig. 2.
Endemic to South Island and Antipodean Islands, New Zealand. 51: NZS, ATP. Moist places
among rocks, marshes, moist alpine meadows, 150–2100 m. Map 5.
51. NEW ZEALAND SOUTH: South Is., Fiordland Nat. Park, from Homer Hut to Gertrude Valley,
1100–1200 m, E.Hörandl & Hadaček 8089 (W); Canterbury, Arthur Pass, 1874, S.Berggren (K); Canterbury,
Arthur Pass, Blimit Peak, 20 Jan 1928, W.R.B.Oliver (K); Canterbury, Kelly’s Hill, Feb 1874, S.Berggren (LD,
S, UPS); Nelson, Mt Arthur, T.F.Cheeseman s.n. (H). ANTIPODEAN IS.: Campbell Is., Mt Azimuth,
D.R.Given 9115 (K).
4. Marsippospermum reichei Buchenau, Ber. Deutsch. Bot. Ges. 19: 160 (1901)
Rostkovia reichei (Buchenau) Hosseus, Trab. Inst. Bot. Farmacol. 33: 24 (1915), n.v. T: Chile, 'In regione
nivis aeternae (1000 m s.m.) montis Patagoniae australis in oriente urbis Bahia Ultima Esperanza, c. 50°30' ',
Feb 1900, K.F.Reiche; syn: n.v.
Illustration: M.Barros, Darwiniana 10: 310, fig. 9 (1953).
Map: D.M.Moore, Fl. Tierra del Fuego 324, map 37, a (1993).
Perennials, densely caespitose; rhizome short, ascending, with internodes very abbreviated;
stems usually 5–10 cm tall, to 0.7 mm in diam. Cataphylls castaneous brown at base, shining,
±gradually tapered to ±obtuse apex; blade setiform, 2–5 mm long. Cauline leaves 1–3, subbasal;
sheaths to 3–4 cm long; blade to c. 5–7 cm long. Sterile shoots (2–) 3 (–4)-phyllous;
leaves filiform, c. 0.5 mm in diam., usually 10–15 (–20) cm long, much overtopping stem,
with tip acute. Bracteole single, membranous, obtuse, to c. 1 mm long. Tepals linear to
linear-lanceolate, c. 0.5 mm wide, acuminate, membranous to stramineous, unequal; outer
tepals usually (1.1–) 1.3–1.5 cm long; inner tepals (0.9–) 1.1–1.2 cm long. Stamens 6, 5–6 mm
long; anthers usually 3.0–3.5 mm long; connective with distinct 1.8–2.0 mm long apical
projection; filaments 1.1–1.5 mm long. Style short, c. 1.2–1.5 mm long; stigmas c. 4 mm
long. Capsule oblong-trigonous, acuminate, usually 7–9 mm long, pale brown, shining. Seeds
castaneous-brown, 0.8–0.9 mm long, or 1.7–2.0 mm long including two unequal whitish
appendages c. 0.3 and c. 0.5 mm long. Fig. 2.
Southernmost South America, from Neuquén southwards to Tierra del Fuego in Argentina,
province of Magallanes and Islas Wollaston in Chile. 85: AGS, CLS. Wet rocks, gravelly
open substrates along streams, up to 1000 m. Map 6.
85. ARGENTINA: Santa Cruz, Lago San Martín, Río Fossiles, 1000 m, 27 Mar 1905, P.Dusén s.n. (K);
loc. cit. P.Dusén 5905 (UPS); loc. cit. P.Dusén 13223 (SI). CHILE/ARGENTINA: S Patagonia, Sierra
Baguales, 1500 m, C.J.F.Skottsberg 725 (S, UPS).