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Details for: Luzula colensoi |
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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]
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| Name: |
Luzula colensoi Hook.f. |
| Nomencl. ref. |
Hook.f., Handb. N. Zeal. Fl. vol. 293. 1864. |
| Rank: |
Species |
| Status: |
ACCEPTED |
| Taxonomy (this taxon is included in): |
Familia - Juncaceae
Genus - Luzula DC.
Subgenus - Luzula subgen. Luzula DC.
Sectio - Luzula sect. Luzula
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Synonym(s):
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Luzula colensoi var. macrostemon Buchenau |
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| Description: |
Perennials to 3 cm tall, dwarf, densely caespitose, cushion-forming; rhizome erect, many-headed; stolons absent. Stem reduced. Leaves rigid, 1–3 cm long; base broad, 1.0–2.5 mm wide at base, narrowing to 0.5–0.8 mm wide in canaliculate distal part; margins smooth, glabrous (hairs confined to sheath mouth); apex acute or obtuse. Lower bract herbaceous, usually 0.5–0.8 mm long, scarcely exceeding inflorescence. Inflorescence sunken among leaves (stem not elongating with fruit ripening), congested, 6–8-flowered, composed of
1–3 few-flowered clusters. Bracteoles scarious, denticulate, ovate, to 1.5 mm long. Tepals equal, glabrous, lanceolate, acute, pale brown, usually 1.4–2.3 mm long; margins whitish, usually broad. Stamens usually 6, rarely 3–4; anthers 0.3–0.6 mm long; filaments 0.5–1.0 mm long; style c. 0.1–0.4 mm long; stigmas 0.7–1.8 mm long. Capsule pale castaneous-brown, subacute, ±equalling perianth; capsule segments 1.6–2.0 × 1.0–1.3 mm. Seeds broadly ovoid, pale castaneous-brown, 0.9–1.1 mm long, 0.7–0.9 mm wide; appendage to 0.15 mm long, fibrillate. 2n=12 [AL], fide H.Nordenskiöld, New Zealand J. Bot. 4: 188 (1966); J.B.Hair, New Zealand J. Bot. 5: 18 (1967). |
| Geography: |
Endemic to North, South and Stewart Islands. Found in fine rocky substrate in open alpine vegetation, particularly on ridges, fellfields, or open grassland areas that are nearly flat, 970–1900 m. Map 119., 51. NEW ZEALAND NORTH: Pouaki Range, A.D.Wilton 99128 (CHR); Wairarapa Co., Masterton, Tararua Range, Mt Holdsworth, R.Melville, E.F.Melville 5515 & A.P.Druce (CHR, K); Mt Holdsworth, W.Downson (K). NEW ZEALAND SOUTH: South Is., Westland, Arthur Pass Nat. Park, Goat Hill, head of Barrack Ck, 17 Mar 1991, R.Stocker (CHR); Westland National Park, Alex Knob, P.Wardle (CHR, PRA); Southland, Gertrude Saddle, A.D.Wilton 99053 (CHR); Stewart Is., Mt Anglem, 980 m, A.D.Wilton 00011 (CHR). |
| Notes: |
A very distinctive species in its dense cushion growth form, pale brown inflorescences, and the lack of elongation of the inflorescence stem. |
| SourceHigherTaxon from IOPI: |
Juncaceae |
| Taxon number in Juncaceae SP treatment
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79. |
| TDWG Distribution Code: |
51: NZN, NZS. |
| Type: | T: New Zealand, North Island, summit of the Ruahine Mtns, W.Colenso 1729; lecto: K, fide E.Edgar, New Zealand J. Bot. 4: 178 (1966); isolecto: K. |
| Distribution table: |
| Australasia |
New Zealand |
New Zealand North |
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New Zealand South |
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© 1996-2007 The International Organization
for Plant Information.
This page last updated: Dienstag, 21. August 2007
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