Carex horizontalis (Colenso) K.A.Ford

Caption:

Details

Name scientific

Carex horizontalis (Colenso) K.A.Ford in Global Carex Group, Bot. J. Linn. Soc. 179: 33 (2015)

Preferred name

Carex horizontalis (Colenso) K.A.Ford

Taxonomy reference

Global Carex Group 2015: Making Carex monophyletic (Cyperaceae, tribe Cariceae): a new broader circumscription. Botanical Journal of the Linnean Society 179: 1–42.

Linked name

Carex horizontalis (Colenso) K.A.Ford 2015

Biostatus

Origin

Occurrence

Georegion

Schema

Biostatus source

Comment

Endemic

Wild

New Zealand

Political Region

Global Carex Group (2015)

Nomenclature

Combination authors

K.A.Ford

Original authors

Colenso

Authors

(Colenso) K.A.Ford

Publication place

Global Carex Group 2015: Making Carex monophyletic (Cyperaceae, tribe Cariceae): a new broader circumscription. Botanical Journal of the Linnean Society 179: 1–42.

Year published

2015

Publication page

Nomenclatural code

ICN

Basionym

Uncinia horizontalis Colenso

Taxonomic rank

species

Canonical form

Carex horizontalis

Classification

Kingdom

Plantae

Phylum

Tracheophyta

Class

Magnoliopsida

Order

Poales

Family

Cyperaceae

Genus

Carex

Species

horizontalis

Synonyms

Descriptions

Dawson, M.I. 2008: Index of chromosome numbers of indigenous New Zealand vascular plants.

Uncinia rupestris Raoul

Description

2n = 88

Dawson, M.I. 2008: Index of chromosome numbers of indigenous New Zealand vascular plants.

Uncinia viridis (C.B.Clarke) Edgar

Description

2n = 88

Moore, L.B.; Edgar, E. 1970: Flora of New Zealand. Vol. II. Indigenous Tracheophyta: Monocotyledones except Gramineae. Botany Division DSIR, Wellington.

Forming a dense turf. Culms (10)–20–30–(40) cm. × c. 0.5 mm., drooping or nodding, glab., or slightly scabrid just below infl.; basal bracts light brown, not shining. Lvs 4–6–(7) per culm, < mature culms, c. 1.5–2 mm. wide, bright green, soft, channelled, scabrid on margins and upper surface towards tip. Spikes 3–5–(6) cm. × 3–5 mm., occ. bracteate, female fls 5–13–(33), lax towards base of spike with internodes to 6 mm. long, more crowded above with internodes 0.5–1 mm. long. Glumes ± = or us. < utricles, deciduous, ovate, acute or acuminate, hyaline with green midrib or very pale brown. Utricles 4.5–5.5–(6) × 1–1.5 mm., ovate-lanceolate, trigonous, green to greenish brown, us. smooth except for a prominent lateral nerve but occ. with a few less distinct nerves, somewhat spreading when ripe, slightly contracted below to a stipe c. 1–1.5 mm. long, tapering above to a beak of 1–2 mm. long.

Moore, L.B.; Edgar, E. 1970: Flora of New Zealand. Vol. II. Indigenous Tracheophyta: Monocotyledones except Gramineae. Botany Division DSIR, Wellington.

Uncinia viridis (C.B.Clarke) Edgar

Description

Laxly caespitose to shortly rhizomatous. Culms 2–15–(25) cm. long, us. < 1 mm. diam., glab.; basal bracts dull yellow-brown to dark brown. Lvs 7–8 per culm, = or < culms, 1.5–2 mm. wide, channelled, rather rigid, curving downwards, coriac., bright green, shining, scabrid on margins and adaxial surface. Spikes 1.5–3–(5) cm. × 3–4 mm., rarely bracteate, female fls 5–15, rather close-set, internodes 1–2 mm. long. Glumes > utricles, deciduous, ovate, subacute to acuminate, pale brownish green or light brown, membr. Utricles 4.5–5 × c. 1.5 mm., trigonous, ovate, green to grey-brown, dull, smooth, apart from the prominent lateral nerves, slightly contracted below to a stipe c. 1 mm. long, and tapered above to a beak c. 1.5 mm. long.