Simplicia buchananii (Zotov) Zotov

Caption:

Details

Name scientific

Simplicia buchananii (Zotov) Zotov, New Zealand J. Bot. 9: 542 (1971)

Preferred name

Simplicia buchananii (Zotov) Zotov

Taxonomy reference

de Lange, P.J.; Smissen, R.D.; Rolfe, J.R.; Ogle, C.C. 2016: Systematics of Simplicia Kirk (Poaceae, Agrostidinae) – an endemic, threatened New Zealand grass genus. PhytoKeys 75: 119–144.

Biostatus

Origin

Occurrence

Georegion

Schema

Biostatus source

Comment

Endemic

Wild

New Zealand

Political Region

de Lange, P.J.; Smissen, R.D.; Rolfe, J.R.; Ogle, C.C. (2016)

Nomenclature

Authors

(Zotov) Zotov

Original authors

Zotov

Combination authors

Zotov

Publication place

Zotov, V. D. 1971: Simplicia T. Kirk (Gramineae). New Zealand Journal of Botany 9: 539–544.

Year published

1971

Publication page

542

Nomenclatural code

ICN

Basionym

Simplicia laxa var. buchananii Zotov

Taxonomic rank

species

Canonical form

Simplicia buchananii

Classification

Kingdom

Plantae

Phylum

Tracheophyta

Class

Magnoliopsida

Order

Poales

Family

Gramineae

Genus

Simplicia

Species

buchananii

Synonyms

Descriptions

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

Simplicia buchananii (Zotov) Zotov

Description

2n = 28

Description

2n = 28

Description

2n = 28

Description

2n = 28

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

Simplicia buchananii (Zotov) Zotov

Description

Tufts usually slender, (25)-40-60-(105) cm. Leaf-sheath membranous, strongly ribbed, glabrous, sometimes scabrid on ribs, or the dark brown basal sheaths pubescent. Ligule 2-4 mm, erose, abaxially glabrous. Leaf-blade 10-20 cm × 1.5-4 mm, smooth, or finely scabrid on ribs; margins finely scabrid, tip acuminate. Culm internodes glabrous. Panicle 4-18 cm, ± linear; rachis glabrous, branches short, erect, glabrous, bearing spikelets almost to base, pedicels short, glabrous, ± appressed to branchlets. Spikelets 2.8-3 mm, 1-(2)-flowered, lanceolate, light green. Glumes glabrous, ovate-lanceolate to ovate, acute to subacute, margins ciliate; lower 0.7-1 mm, upper 1-1.5 mm. Lemma ≈ spikelet, scabrid, 3-nerved, or with 2 additional fainter lateral nerves, ovate-lanceolate, acute to mucronate, or with a subapical awnlet. Palea 2.3-2.7 mm, 1-2-nerved, scabrid. Rachilla prolongation c. 0.5 mm, glabrous. Anthers (0.7)-1-1.3 mm, purplish or yellow. Caryopsis c. 1.5 mm long. 2n= 28.

Zotov, V. D. 1971: Simplicia T. Kirk (Gramineae). New Zealand Journal of Botany 9: 539–544.

Simplicia buchananii (Zotov) Zotov

Description

Plant perennial; culms decumbent, weak, 30-60 cm tall, glabrous, 3-4 internodes elongated, much longer than the subtending leaf-sheaths. Basal sheaths dark coloured, pubescent; ligule 2-4 mm long, membranous, rounded, erose, glabrous; leaf blade flat, narrow linear-lanceolate, 10-20 cm long, 1.5-3.0 mm wide, bands of bulliform cells several, weakly developed. Panicle more or less linear, 5-10 cm long, erect; branches binate at nodes, floriferous about whole length, appressed. Pedicels glabrous, smooth. Spikelets 1-2-flowered, lanceolate, c. 2.8 mm long, glabrous. Glumes chartaceous ovate-lanceolate glabrous, lower c. 0.7 mm, upper c. 1.2 mm long. Lemma 2.5-3.0 mm long, ovate-lanceolate, acute, awnless to minutely mucronate, 3 (occasionally faintly 5)- nerved, keeled, echinate. Palea about as long as lemma, 1-2 nerved, echinate. Lodicules c. 0.7 mm long, ovate-lanceolate, often asymmetrically lobed. Stamens 3, anthers c. 1 mm long, filaments short. Caryopsis c. 1.5 mm long, laterally compressed. Somatic chromosomes 28.