''Chiloglottis longiclavata'', commonly known as the northern wasp orchid, is a species of

orchid Orchids are plants that belong to the family Orchidaceae (), a diverse and widespread group of flowering plants with blooms that are often colourful and fragrant. Along with the Asteraceae, they are one of the two largest families of flowering ...

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found els ...

Queensland ) , nickname = Sunshine State , image_map = Queensland in Australia.svg , map_caption = Location of Queensland in Australia , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , established_ ...

. It has two leaves and a single narrow, pinkish green flower with a dark blackish red

callus A callus is an area of thickened and sometimes hardened skin that forms as a response to repeated friction, pressure, or other irritation. Since repeated contact is required, calluses are most often found on the feet and hands, but they may o ...

covering most of the upper surface of the labellum .

Description

''Chiloglottis longiclavata'' is a terrestrial,

perennial A perennial plant or simply perennial is a plant that lives more than two years. The term ('' per-'' + '' -ennial'', "through the years") is often used to differentiate a plant from shorter-lived annuals and biennials. The term is also wide ...

deciduous In the fields of horticulture and Botany, the term ''deciduous'' () means "falling off at maturity" and "tending to fall off", in reference to trees and shrubs that seasonally shed leaves, usually in the autumn; to the shedding of petals, a ...

herb In general use, herbs are a widely distributed and widespread group of plants, excluding vegetables and other plants consumed for macronutrients, with savory or aromatic properties that are used for flavoring and garnishing food, for medicina ...

with two elliptic leaves long and wide on a petiole long. A single pinkish green flower long and wide is borne on a flowering stem high. The

dorsal Dorsal (from Latin ''dorsum'' ‘back’) may refer to: * Dorsal (anatomy), an anatomical term of location referring to the back or upper side of an organism or parts of an organism * Dorsal, positioned on top of an aircraft's fuselage * Dorsal co ...

sepal A sepal () is a part of the flower of angiosperms (flowering plants). Usually green, sepals typically function as protection for the flower in bud, and often as support for the petals when in bloom., p. 106 The term ''sepalum'' was coined ...

is narrow egg-shaped to elliptic with a narrow base, long and about wide. The

lateral Lateral is a geometric term of location which may refer to: Healthcare *Lateral (anatomy), an anatomical direction * Lateral cricoarytenoid muscle * Lateral release (surgery), a surgical procedure on the side of a kneecap Phonetics *Lateral co ...

sepals are linear but tapered, long, about wide and erect near the base before curving downwards and spreading apart from each other. There is a

glandular In animals, a gland is a group of cells in an animal's body that synthesizes substances (such as hormones) for release into the bloodstream (endocrine gland) or into cavities inside the body or its outer surface (exocrine gland). Structure De ...

tip long on the dorsal sepal and long on the lateral sepals. The

petal Petals are modified leaves that surround the reproductive parts of flowers. They are often brightly colored or unusually shaped to attract pollinators. All of the petals of a flower are collectively known as the ''corolla''. Petals are usuall ...

s are lance-shaped to oblong, long, about wide and turn downwards against the

ovary The ovary is an organ in the female reproductive system that produces an ovum. When released, this travels down the fallopian tube into the uterus, where it may become fertilized by a sperm. There is an ovary () found on each side of the bod ...

. The labellum is broadly egg-shaped to diamond-shaped, long and wide. Most of the upper surface of the labellum is covered by a dark blackish red, insect-like callus of stalked and clusters of stalkless

glands In animals, a gland is a group of cells in an animal's body that synthesizes substances (such as hormones) for release into the bloodstream (endocrine gland) or into cavities inside the body or its outer surface (exocrine gland). Structure De ...

. The

column A column or pillar in architecture and structural engineering is a structural element that transmits, through compression, the weight of the structure above to other structural elements below. In other words, a column is a compression member ...

is pale green with purple flecks, about long, about wide with narrow wings. Flowering occurs from February to May.

Taxonomy and naming

''Chiloglottis longiclavata'' was first formally described in 1991 by David Jones from a specimen collected in the

Herberton Herberton is a rural town and locality in the Tablelands Region, Queensland, Australia. In the , the locality of Herberton had a population of 855 people. Geography Herberton is on the Atherton Tableland in Far North Queensland. It is situ ...

Range and the description was published in ''Australian Orchid Research''. The

specific epithet In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...

(''longiclavata'') is derived from the

Latin Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power ...

words ''longus'' meaning "long" and ''clavus'' meaning "club" or "cudgel" referring to the glandular tips on the sepals of this species.

Distribution and habitat

The northern wasp orchid grows in small colonies in tall forests and near rainforest margins on and between the Atherton Tableland and

Eungella National Park Eungella National Park ( ; meaning "Land of the clouds") is a protected area in Queensland, Australia. It is on the Clarke Range at the end of the Pioneer Valley 80 km west of Mackay, and 858 km northwest of Brisbane. Eunge ...

. On the summit of

Mount Bartle Frere Mount Bartle Frere (pronunciation �mæɔnt̥ ˈbɐːɾəɫ ˈfɹɪə Ngajanji: Choorechillum) is the highest mountain in Queensland at an elevation of . The mountain was named after Sir Henry Bartle Frere, a British colonial administrator and ...

it grows in stunted heath.

References

External links

* {{Taxonbar, from=Q15496165 longiclavata Orchids of Queensland Flora of Queensland Plants described in 1991