Corybas acuminatus M.A.Clem. & Hatch

Caption:

Details

Name scientific

Corybas acuminatus M.A.Clem. & Hatch, New Zealand J. Bot. 23: 491 (1985)

Preferred name

Corybas acuminatus M.A.Clem. & Hatch

Taxonomy reference

Lehnebach, C.A. 2016: New combinations and a replacement name for three New Zealand spider orchids (Corybas). The New Zealand Native Orchid Journal 139: 4–5.

Biostatus

Origin

Occurrence

Georegion

Schema

Biostatus source

Comment

Endemic

Wild

New Zealand

Political Region

Nomenclature

Original authors

M.A.Clem. & Hatch

Authors

M.A.Clem. & Hatch

Publication place

Clements, M.A.; Hatch, E. D. 1985: Corybas acuminatus (Orchidaceae) -- a new name for the species previously considered to be Corybas rivularis. New Zealand Journal of Botany 23: 491–494.

Year published

1985

Publication page

491

Nomenclatural code

ICN

Basionym

Corybas acuminatus M.A.Clem. & Hatch

Taxonomic rank

species

Canonical form

Corybas acuminatus

Classification

Kingdom

Plantae

Phylum

Tracheophyta

Class

Magnoliopsida

Order

Asparagales

Family

Orchidaceae

Genus

Corybas

Species

acuminatus

Synonyms

Descriptions

Clements, M.A.; Hatch, E. D. 1985: Corybas acuminatus (Orchidaceae) -- a new name for the species previously considered to be Corybas rivularis. New Zealand Journal of Botany 23: 491–494.

Corybas acuminatus M.A.Clem. & Hatch

Description

Plant at flowering up to 6 cm high. Leaf sessile, up to 4 cm long × 2 cm broad, ovateacuminate, repand, cordate at the base; light green above, silvery below, with conspicuous reddish veining. Leaves of young plants reniform or broadly cordate, apiculate, without the reddish veining. Floral bract shortly caudate, secondary bract subulate. Flower usually solitary, sessile, more or less translucent, with dull red striae. Dorsal sepal up to 4 cm long, extended into a horizontal filiform cauda. Lateral sepals filiform, erect and very long, exceeding the flower by as much as 6 cm. Petals similar, smaller, horizontal or deflexed. Labellum with 2 rounded auricles at the base; lamina expanded, abruptly deflexed, mucronate, the margins irregularly fimbriate or entire. Column hidden in the flower, very short, with a large basal callus; Column-wings minutely denticulate and exceeding the anther; stigma orbicular, pollinia 4, massulate. Seeding peduncle up to 18 cm high.

Diagnosis

Herba perennis usque ad 6 cm alta; folio unico, sessili polymorpho renifqrmi vel cordiformi et acuminato; floribus parvis sessilibus brunneis aliquantum translucentibus; sepalis lateralibus petalisque filiformibus; sepalo dorsale cucullato acuminato vel filiformi; labello infundibulari marginibus levito fimbriatis, columna breve, occulto in basim floris.

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