Zotovia colensoi (Hook.f.) Edgar & Connor

Caption:

Details

Name scientific

Zotovia colensoi (Hook.f.) Edgar & Connor, New Zealand J. Bot. 36: 571 (1998)

Preferred name

Zotovia colensoi (Hook.f.) Edgar & Connor

Taxonomy reference

Edgar, E.; Connor, H. E. 2000: Flora of New Zealand Vol. V. Gramineae. Manaaki Whenua Press, Lincoln, New Zealand.

Biostatus

Origin

Occurrence

Georegion

Schema

Biostatus source

Comment

Endemic

Wild

New Zealand

Political Region

Nomenclature

Combination authors

Edgar & Connor

Original authors

Hook.f.

Authors

(Hook.f.) Edgar & Connor

Publication place

Edgar, E.; Connor, H. E. 1998: Zotovia and Microlaena: New Zealand Ehrhartoid Gramineae. New Zealand Journal of Botany 36: 565–586.

Year published

1998

Publication page

571

Nomenclatural code

ICN

Basionym

Ehrharta colensoi Hook.f.

Taxonomic rank

species

Canonical form

Zotovia colensoi

Classification

Kingdom

Plantae

Phylum

Tracheophyta

Class

Magnoliopsida

Order

Poales

Family

Gramineae

Genus

Zotovia

Species

colensoi

Synonyms

Descriptions

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

Zotovia colensoi (Hook.f.) Edgar & Connor

Description

2n = 48

Description

2n = 48

Edgar, E.; Connor, H. E. 2000: Flora of New Zealand Vol. V. Gramineae. Manaaki Whenua Press, Lincoln, New Zealand.

Zotovia colensoi (Hook.f.) Edgar & Connor

Description

Perennial, (4)-15-(45) cm, forming narrow tufts with yellow-green, papery leaves from long, trailing culms, narrowly branching intravaginally and bare below except for remains of old sheaths. Leaf-sheath smooth, cross-veinlets ± visible, cream. Ligule 0.1-0.2 mm, a truncate minutely ciliolate rim. Leaf-blade 4-10 cm × 1.5 mm, ± erect, linear, flat, becoming inrolled, ribs and cross-veinlets cream, abaxially smooth, adaxially minutely scabrid on ribs, long-tapering to acicular tip, margins minutely scabrid. Panicle (1)-3-5-(7) cm, loosely spike-like, curved or drooping; branches smooth to slightly scabrid. Spikelets (6)-7-10 mm, shortly pedicelled. Glumes obtuse to acute, to truncate and shortly mucronate, margins finely ciliate above; lower 2-3.7 mm, upper 2.5-4 mm. Ø lemmas abaxially smooth, sometimes cross-veinlets visible, ± scabrid on keel, adaxially minutely pubescent above, awn 2-3 mm, scabrid; callus hairs dense, 2-3 mm; lower Ø lemma 5-6-(8) mm; upper Ø lemma (5)-6-9 mm. ☿ lemma 4-5.5 mm, obtuse tip ciliolate, occasionally obliquely truncate and very shortly mucronate, keel smooth. Palea 2.5-4 mm. Rachilla prolongation to 0.7 mm, minutely hairy at apex, or reduced to a minute knob tipped by fine hairs. Lodicules 1-1.5 mm, cuneate, erose to lacerate. Anthers c. 2 mm. Gynoecium: ovary to 1 mm; stigma-styles to 1.5 mm. Caryopsis c. 2.5 × 1 mm. 2n=c. 48.